Wikipedia:WikiProject National Register of Historic Places/Progress/Duplicates

National Alabama (Jefferson, Mobile) – Alaska – Arizona (Maricopa, Yavapai) – Arkansas (Pulaski) – California (Los Angeles) – Colorado (Denver) – Connecticut (Fairfield, Hartford, Middlesex, New Haven) – Delaware (New Castle) – D.C. – Florida (Miami-Dade, Hillsborough) – Georgia – Hawaii (Honolulu, Maui) – Idaho – Illinois (Cook) – Indiana (Marion) – Iowa (Polk, Scott) – Kansas – Kentucky (Jefferson) – Louisiana – Maine (Cumberland) – Maryland (Baltimore) – Massachusetts (Barnstable, Bristol, Essex, Hampden, Middlesex, Norfolk, Suffolk, Worcester) – Michigan (Wayne) – Minnesota – Mississippi – Missouri (Jackson, St. Louis) – Montana – Nebraska – Nevada – New Hampshire – New Jersey (Bergen) – New Mexico – New York (Albany, Dutchess, Erie, Monroe, Nassau, New York, Niagara, Onondaga, Suffolk, Westchester) – North Carolina – North Dakota – Ohio (Cuyahoga, Erie, Franklin, Hamilton, Montgomery, Summit) – Oklahoma – Oregon (Multnomah) – Pennsylvania (Allegheny, Chester, Lancaster, Philadelphia) – Rhode Island (Providence) – South Carolina (Charleston, Greenville, Richland, York) – South Dakota – Tennessee – Texas (Harris) – Utah (Salt Lake, Washington) – Vermont – Virginia – Washington (King, Pierce, Spokane) – West Virginia – Wisconsin (Dane, Milwaukee) – Wyoming Puerto Rico – Guam – Virgin Islands – Northern Mariana Islands – American Samoa – Federated States of Micronesia – Palau – Marshall Islands – U.S. Minor Outlying Islands

National

The following listings are included in two or more lists which are located in different states.

Site	Lists	Number of Duplicates	Stats
Langdale Historic District (#99001299)	Chambers County, Alabama Harris County, Georgia	1	articled, illustrated, Stub-class
Riverview Historic District (Valley, Alabama) (#99001300)	Chambers County, Alabama Harris County, Georgia	1	articled, illustrated, Stub-class
Hoover Dam (#81000382)	Mohave County, Arizona Clark County, Nevada	1	articled, illustrated, Start+
Willow Beach Gauging Station (#86000587)	Mohave County, Arizona Clark County, Nevada	1	articled, illustrated, Stub-class
Yuma Crossing (#66000197)	Yuma County, Arizona Imperial County, California	1	articled, illustrated, Start+
Memphis & Arkansas Bridge (#01000139)	Crittenden County, Arkansas Shelby County, Tennessee	1	articled, illustrated, Start+
Texarkana Union Station (#78000611)	Miller County, Arkansas Bowie County, Texas	1	articled, illustrated, Start+
United States Post Office and Courthouse (Texarkana) (#00000245)	Miller County, Arkansas Bowie County, Texas	1	articled, illustrated, Start+
United States Highway 61 Arch (#01001177)	Mississippi County, Arkansas Pemiscot County, Missouri	1	articled, illustrated, Stub-class
1877 survey marker 48 (#76000448)	Polk County, Arkansas Le Flore County, Oklahoma	1	articled, illustrated, Stub-class
Dual State Monument (#99001354)	Union County, Arkansas Union Parish, Louisiana	1	articled, illustrated, Stub-class
Osgood Ditch (#01001151)	Del Norte County, California Josephine County, Oregon	1	articled, illustrated, Stub-class
Logan/Esterly Upper Ditch (#01001149)	Del Norte County, California Josephine County, Oregon	1	articled, unillustrated, Start+
1872 California-Nevada State Boundary Marker (#81000387)	Sierra County, California Washoe County, Nevada	1	articled, illustrated, Start+
Lower Klamath National Wildlife Refuge (#66000238)	Siskiyou County, California Klamath County, Oregon	1	articled, illustrated, Start+
Cumbres and Toltec Scenic Railroad (#73000462)	Archuleta County, Colorado Conejos County, Colorado Rio Arriba County, New Mexico	1	articled, illustrated, Start+
Raton Pass (#66000474)	Las Animas County, Colorado Colfax County, New Mexico	1	articled, illustrated, Start+
William E. Ward House (#76001294)	Greenwich, Connecticut southern Westchester County, New York	1	articled, illustrated, Start+
Delaware Boundary Markers (#75002101)	Kent County, Delaware northern New Castle County, Delaware southern New Castle County, Delaware Sussex County, Delaware Caroline County, Maryland Cecil County, Maryland Dorchester County, Maryland Kent County, Maryland Queen Anne's County, Maryland Wicomico County, Maryland Worcester County, Maryland southern Chester County, Pennsylvania Delaware County, Pennsylvania	2	articled, partially-illustrated, Stub-class
Merestone (#95000093)	northern New Castle County, Delaware southern Chester County, Pennsylvania	1	articled, illustrated, Start+
New Castle and Frenchtown Railroad Right-of-Way (#76002290)	northern New Castle County, Delaware Cecil County, Maryland	1	articled, illustrated, Stub-class
Arlington Memorial Bridge (#80000346)	central Washington, D.C. Arlington County, Virginia	1	articled, illustrated, Start+
Civil War Defenses of Washington (#74000274)	central Washington, D.C. western Washington, D.C. the upper NW Quadrant of Washington, D.C. Northeast Quadrant, Washington, D.C. Southeast Quadrant, Washington, D.C. Prince George's County, Maryland Fairfax County, Virginia	2	articled, illustrated, Start+
George Washington Memorial Parkway (#81000079)	central Washington, D.C. Arlington County, Virginia Fairfax County, Virginia Alexandria, Virginia	1	articled, illustrated, Start+
Chesapeake and Ohio Canal National Historical Park (#66000036)	western Washington, D.C. Allegany County, Maryland Frederick County, Maryland Montgomery County, Maryland Washington County, Maryland Morgan County, West Virginia	2	articled, illustrated, Start+
Key Bridge (Washington, D.C.) (#96000199)	western Washington, D.C. Arlington County, Virginia	1	articled, illustrated, Start+
Washington Aqueduct (#73002123)	western Washington, D.C. Montgomery County, Maryland	1	articled, illustrated, Start+
George Washington Memorial Parkway (#95000605)	western Washington, D.C. Montgomery County, Maryland Arlington County, Virginia Fairfax County, Virginia	2	articled, illustrated, Start+
Suitland Parkway (#95000604)	Southeast Quadrant, Washington, D.C. Prince George's County, Maryland	1	articled, illustrated, Start+
Chickamauga and Chattanooga National Military Park (#66000274)	Catoosa County, Georgia Walker County, Georgia Hamilton County, Tennessee	1	articled, illustrated, Start+
Hells Canyon National Recreation Area (#84000984)	Adams County, Idaho Idaho County, Idaho Nez Perce County, Idaho Wallowa County, Oregon	1	articled, partially-illustrated, Start+
Salt River Hydroelectric Powerplant (#93000889)	Bonneville County, Idaho Lincoln County, Wyoming	1	articled, illustrated, Stub-class
Lolo Pass (Idaho–Montana) (#66000309)	Clearwater County, Idaho Missoula County, Montana	1	articled, illustrated, Start+
Lemhi Pass (#66000313)	Lemhi County, Idaho Beaverhead County, Montana	1	articled, illustrated, Start+
Chicago, Milwaukee, St. Paul and Pacific Railroad Company Historic District (#00001269)	Shoshone County, Idaho Mineral County, Montana	1	articled, illustrated, Start+
Lock and Dam No. 20 (#04000180)	Adams County, Illinois Lewis County, Missouri	1	articled, illustrated, Stub-class
Lock and Dam No. 21 (#04000181)	Adams County, Illinois Marion County, Missouri	1	articled, illustrated, Stub-class
Savanna–Sabula Bridge (#99001033)	Carroll County, Illinois Jackson County, Iowa	1	articled, illustrated, Stub-class
Fort Madison Toll Bridge (#99001035)	Hancock County, Illinois Lee County, Iowa	1	articled, illustrated, Start+
Lock and Dam No. 19 (#78001234)	Hancock County, Illinois Lee County, Iowa	1	articled, illustrated, Start+
Lock and Dam No. 19 (#04000179)	Hancock County, Illinois Lee County, Iowa	1	articled, illustrated, Start+
Lock and Dam No. 18 (#04000178)	Henderson County, Illinois Des Moines County, Iowa	1	articled, illustrated, Stub-class
Chain of Rocks Bridge (#06001091)	Madison County, Illinois St. Louis north and west of downtown	1	articled, illustrated, Start+
Lock and Dam No. 22 (#04000182)	Pike County, Illinois Ralls County, Missouri	1	articled, illustrated, Stub-class
Lock and Dam No. 16 (#04000176)	Rock Island County, Illinois Muscatine County, Iowa	1	articled, illustrated, Stub-class
Eads Bridge (#66000946)	St. Clair County, Illinois Downtown and Downtown West St. Louis	1	articled, illustrated, Start+
New Harmony Toll Bridge (#07001030)	White County, Illinois Posey County, Indiana	1	articled, illustrated, Start+
George Rogers Clark Memorial Bridge (#84001578)	Clark County, Indiana Downtown Louisville, Kentucky	1	articled, illustrated, Start+
State Line Archeological District (#75001423)	Dearborn County, Indiana Hamilton County, Ohio	1	articled, illustrated, Start+
Blood Run Site (#70000246)	Lyon County, Iowa Lincoln County, South Dakota	1	articled, illustrated, Start+
Plattsmouth Bridge (#92000755)	Mills County, Iowa Cass County, Nebraska	1	articled, illustrated, Stub-class
Site No. RH00-062 (#87001001)	Brown County, Kansas Doniphan County, Kansas Richardson County, Nebraska	1	articled, illustrated, Stub-class
Site No. JF00-072 (#87001000)	Republic County, Kansas Washington County, Kansas Jefferson County, Nebraska Thayer County, Nebraska	1	articled, illustrated, Stub-class
Cumberland Gap (#80000366)	Bell County, Kentucky Claiborne County, Tennessee Lee County, Virginia	2	articled, illustrated, Start+
Cumberland Gap National Historical Park (#66000353)	Bell County, Kentucky Harlan County, Kentucky Claiborne County, Tennessee Lee County, Virginia	2	articled, illustrated, Start+
Anderson Ferry (#82003575)	Boone County, Kentucky western Cincinnati, Ohio	1	articled, illustrated, Start+
Newport Southbank Bridge (#01000363)	Campbell County, Kentucky downtown Cincinnati, Ohio	1	articled, partially-illustrated, Start+
Jesse Whitesell House and Farm (#77000619)	Fulton County, Kentucky Obion County, Tennessee	1	articled, illustrated, Stub-class
U.S. Grant Bridge (#01000560)	Greenup County, Kentucky Scioto County, Ohio	1	articled, illustrated, Start+
John A. Roebling Suspension Bridge (#75000786)	Kenton County, Kentucky downtown Cincinnati, Ohio	1	articled, illustrated, Start+
Simon Kenton Memorial Bridge (#83002823)	Mason County, Kentucky Brown County, Ohio	1	articled, illustrated, Stub-class
Deweyville Swing Bridge (#11000346)	Calcasieu Parish, Louisiana Newton County, Texas	1	articled, illustrated, Stub-class
International Boundary Marker (#77001463)	DeSoto Parish, Louisiana Panola County, Texas	1	articled, illustrated, Stub-class
Old Vicksburg Bridge (#88002423)	Madison Parish, Louisiana Warren County, Mississippi	1	articled, illustrated, Stub-class
Burr's Ferry Bridge (#98000562)	Vernon Parish, Louisiana Newton County, Texas	1	articled, partially-illustrated, Stub-class
Newichawannock Canal (#14000460)	York County, Maine Carroll County, New Hampshire	1	articled, illustrated, Start+
Western Maryland Railroad Right-of-Way, Milepost 126 to Milepost 160 (#81000078)	Allegany County, Maryland Washington County, Maryland Morgan County, West Virginia	1	articled, illustrated, Start+
Mason and Dixon West Line Milestone Markers 76 and 77 (#100002789)	Frederick County, Maryland Adams County, Pennsylvania	1	articled, unillustrated, Start+
B & O Railroad Potomac River Crossing (#78001484)	Washington County, Maryland Jefferson County, West Virginia	1	articled, illustrated, Start+
Harpers Ferry National Historical Park (#66000041)	Washington County, Maryland Loudoun County, Virginia Jefferson County, West Virginia	2	articled, illustrated, Start+
Potomac Mills (Shepherdstown, West Virginia) (#13001166)	Washington County, Maryland Jefferson County, West Virginia	1	articled, illustrated, Stub-class
Upper Twin Falls Bridge (#12001028)	Dickinson County, Michigan Florence County, Wisconsin	1	articled, illustrated, Start+
Anaem Omot (#100009086)	Menominee County, Michigan Marinette County, Wisconsin	1	articled, unillustrated, Start+
Soo Line High Bridge (#77000056)	Washington County, Minnesota St. Croix County, Wisconsin	1	articled, illustrated, Start+
Stillwater Bridge (St. Croix River) (#89000445)	Washington County, Minnesota St. Croix County, Wisconsin	1	articled, illustrated, Start+
Brownville Bridge (#93000536)	Atchison County, Missouri Nemaha County, Nebraska	1	articled, illustrated, Stub-class
Bad Pass Trail (#75000215)	Carbon County, Montana Big Horn County, Wyoming	1	articled, illustrated, Start+
Beartooth Highway (#14000219)	Carbon County, Montana Park County, Montana Park County, Wyoming	1	articled, illustrated, Start+
North Entrance Road Historic District (#02000529)	Park County, Montana Park County, Wyoming	1	articled, illustrated, Start+
Fort Union Trading Post National Historic Site (#66000103)	Richland County, Montana Roosevelt County, Montana McKenzie County, North Dakota Williams County, North Dakota	1	articled, illustrated, Start+
Meridian Highway Bridge (#93000537)	Cedar County, Nebraska Yankton County, South Dakota	1	articled, illustrated, Start+
Lewis Bridge (Keya Paha River) (#92000774)	Keya Paha County, Nebraska Tripp County, South Dakota	1	articled, illustrated, Stub-class
Columbia Bridge (Connecticut River) (#76000123)	Coös County, New Hampshire Essex County, Vermont	1	articled, illustrated, Start+
Mount Orne Covered Bridge (#76000124)	Coös County, New Hampshire Essex County, Vermont	1	articled, illustrated, Start+
Bedell Covered Bridge (#75002171)	Grafton County, New Hampshire Orange County, Vermont	1	articled, illustrated, Start+
Lyme–East Thetford Bridge (#100005159)	Grafton County, New Hampshire Orange County, Vermont	1	articled, illustrated, Start+
Piermont Bridge (#01000630)	Grafton County, New Hampshire Orange County, Vermont	1	articled, illustrated, Start+
Morey Memorial Bridge (#97001523)	Grafton County, New Hampshire Orange County, Vermont	1	articled, illustrated, Start+
Cornish–Windsor Covered Bridge (#76000135)	Sullivan County, New Hampshire Windsor County, Vermont	1	articled, illustrated, Start+
Palisades Interstate Park Commission (#66000890)	Bergen County, New Jersey Orange County, New York Rockland County, New York	1	articled, illustrated, Start+
Holland Tunnel (#93001619)	Hudson County, New Jersey Manhattan below 14th Street	1	articled, illustrated, Start+
Statue of Liberty National Monument (#66000058)	Hudson County, New Jersey Manhattan on islands	1	articled, illustrated, Start+
Calhoun Street Bridge (#75001621)	Mercer County, New Jersey Bucks County, Pennsylvania	1	articled, illustrated, Start+
Washington Crossing State Park (#66000650)	Mercer County, New Jersey Bucks County, Pennsylvania	1	articled, illustrated, Start+
Minisink Archaeological Site (#93000608)	Sussex County, New Jersey Pike County, Pennsylvania	1	articled, illustrated, Start+
Elephant Butte Irrigation District (#97000822)	Doña Ana County, New Mexico Sierra County, New Mexico El Paso County, Texas	1	articled, unillustrated, Stub-class
Glenrio, New Mexico and Texas (#06001258)	Quay County, New Mexico Deaf Smith County, Texas	1	articled, illustrated, Start+
Delaware and Hudson Canal (#68000051)	Orange County, New York Sullivan County, New York Ulster County, New York Pike County, Pennsylvania Wayne County, Pennsylvania	1	articled, illustrated, Start+
David Mathews House (#79000274)	Rensselaer County, New York Bennington County, Vermont	1	articled, illustrated, Start+
Roebling's Delaware Aqueduct (#68000055)	Sullivan County, New York Pike County, Pennsylvania	1	articled, illustrated, Start+
Skinners Falls–Milanville Bridge (#88002167)	Sullivan County, New York Wayne County, Pennsylvania	1	articled, illustrated, Start+
Pond Eddy Bridge (#88002170)	Sullivan County, New York Pike County, Pennsylvania	1	articled, illustrated, Start+
Dismal Swamp Canal (#88000528)	Camden County, North Carolina Chesapeake, Virginia	1	articled, illustrated, Start+
Shiloh Presbyterian Church Cemetery (#11000954)	Cleveland County, North Carolina Cherokee County, South Carolina	1	articled, illustrated, Start+
Freeman House (Gates, North Carolina) (#82003454)	Gates County, North Carolina Suffolk, Virginia	1	articled, illustrated, Stub-class
Clingmans Dome (#12000515)	Swain County, North Carolina Sevier County, Tennessee	1	articled, illustrated, Start+
B & O Railroad Viaduct (#76001370)	Belmont County, Ohio Marshall County, West Virginia	1	articled, illustrated, Start+
Wheeling Island Historic District (#92000320)	Belmont County, Ohio Ohio County, West Virginia	1	articled, illustrated, Start+
Beginning Point of the U.S. Public Land Survey (#66000606)	Columbiana County, Ohio Beaver County, Pennsylvania	1	articled, illustrated, Start+
Market Street Bridge (Ohio River) (#100003517)	Jefferson County, Ohio Brooke County, West Virginia	1	articled, illustrated, Start+
Parkersburg Bridge (CSX) (#82001785)	Washington County, Ohio Wood County, West Virginia	1	articled, illustrated, Start+
State Highway 78 Bridge at the Red River (#96001517)	Bryan County, Oklahoma Fannin County, Texas	1	articled, illustrated, Stub-class
State Highway 79 Bridge at the Red River (#96001518)	Jefferson County, Oklahoma Clay County, Texas	1	articled, illustrated, Stub-class
Lewis and Clark Bridge (Columbia River) (#82004208)	Columbia County, Oregon Cowlitz County, Washington	1	articled, illustrated, Start+
Interstate Bridge (#82004205)	North Portland, Oregon Clark County, Washington	1	articled, illustrated, Start+
Bonneville Dam (#86000727)	Multnomah County, Oregon Skamania County, Washington	1	articled, illustrated, Start+
Mason and Dixon Survey Terminal Point (#73001922)	Greene County, Pennsylvania Monongalia County, West Virginia	1	articled, illustrated, Stub-class
Bristol Commercial Historic District (#03000441)	Sullivan County, Tennessee Bristol, Virginia	1	articled, illustrated, Stub-class
Bristol Virginia-Tennessee Slogan Sign (#88001568)	Sullivan County, Tennessee Bristol, Virginia	1	articled, illustrated, Start+
East Hill Cemetery (Bristol) (#11000142)	Sullivan County, Tennessee Bristol, Virginia	1	articled, illustrated, Start+
GW Jeep Site (#93001443)	Highland County, Virginia Pocahontas County, West Virginia	1	articled, illustrated, Stub-class
Total		128	119	128	36	0	92	0	0

Alabama

Jefferson County, Alabama

Site	Lists	Number of Duplicates	Stats
Red Mountain Suburbs Historic District (#85002719)	Birmingham, Alabama Jefferson County, Alabama	1	articled, illustrated, Stub-class
Total		1	1	1	1	0	0	0	0

Mobile County, Alabama

There are no duplications across sublists of Mobile County, Alabama.

Alabama Statewide

Site	Lists	Number of Duplicates	Stats
Seven Mile Island Archeological District (#79003352)	Colbert County, Alabama Lauderdale County, Alabama	1	articled, unillustrated, Stub-class
Wilson Dam (#66000147)	Colbert County, Alabama Lauderdale County, Alabama	1	articled, illustrated, Start+
Total		2	1	2	1	0	1	0	0

Alaska

Site	Lists	Number of Duplicates	Stats
Chisana, Alaska (#98000436)	Copper River Census Area, Alaska Southeast Fairbanks Census Area, Alaska	1	articled, illustrated, Start+
Tangle Lakes (#71001091)	Copper River Census Area, Alaska Matanuska-Susitna Borough, Alaska	1	articled, unillustrated, Start+
Total		2	1	2	0	0	2	0	0

Arizona

Maricopa County, Arizona

There are no duplications across sublists of Maricopa County, Arizona.

Yavapai County, Arizona

There are no duplications across sublists of Yavapai County, Arizona.

Arizona Statewide

Site	Lists	Number of Duplicates	Stats
Sierra Bonita Ranch (#66000181)	Cochise County, Arizona Graham County, Arizona	1	articled, illustrated, Start+
Coolidge Dam (#81000135)	Gila County, Arizona Pinal County, Arizona	1	articled, illustrated, Start+
Fossil Creek Bridge (#88001620)	Gila County, Arizona Yavapai County, Arizona	1	articled, illustrated, Start+
Theodore Roosevelt Dam (#98000144)	Gila County, Arizona Maricopa County, Arizona	1	articled, illustrated, Start+
El Camino del Diablo (#78000560)	Pima County, Arizona Yuma County, Arizona	1	articled, illustrated, Start+
Kentucky Camp, Arizona (#95001312)	Pima County, Arizona Santa Cruz County, Arizona	1	articled, illustrated, Start+
Los Robles Archaeological District (#89000337)	Pima County, Arizona Pinal County, Arizona	1	articled, partially-illustrated, Start+
Total		7	6	7	0	0	7	0	0

Arkansas

Pulaski County, Arkansas

There are no duplications across sublists of Pulaski County, Arkansas.

Arkansas Statewide

Site	Lists	Number of Duplicates	Stats
Elkin's Ferry Battlefield (#94001182)	Clark County, Arkansas Nevada County, Arkansas	1	articled, illustrated, Start+
US 67 Bridge over Little Missouri River (#06001271)	Clark County, Arkansas Nevada County, Arkansas	1	articled, illustrated, Stub-class
U.S. Route 67 in Arkansas (#04001046)	Clay County, Arkansas Randolph County, Arkansas	1	articled, illustrated, Start+
Butterfield Overland Mail Route Segment (#10000347)	Crawford County, Arkansas Washington County, Arkansas	1	articled, illustrated, Stub-class
Mulberry River Bridge (Pleasant Hill, Arkansas) (#06001272)	Crawford County, Arkansas Franklin County, Arkansas	1	articled, illustrated, Stub-class
Couchwood (#86003582)	Garland County, Arkansas Hot Spring County, Arkansas	1	articled, illustrated, Stub-class
Couchwood (#01000487)	Garland County, Arkansas Hot Spring County, Arkansas	1	articled, illustrated, Stub-class
Louisiana Purchase Historic State Park (#72000206)	Lee County, Arkansas Monroe County, Arkansas Phillips County, Arkansas	2	articled, illustrated, Start+
Total		9	9	9	5	0	4	0	0

California

Los Angeles County, California

Site	Lists	Number of Duplicates	Stats
Arroyo Seco Parkway (#10001198)	Los Angeles, California Pasadena, California Los Angeles County, California	2	articled, illustrated, Start+
Total		2	2	2	0	0	2	0	0

California Statewide

Site	Lists	Number of Duplicates	Stats
Gianella Bridge (#82004614)	Butte County, California Glenn County, California	1	articled, illustrated, Start+
Mountain Quarries Bridge (#04000014)	El Dorado County, California Placer County, California	1	articled, illustrated, Stub-class
Shorty Lovelace Historic District (#78000293)	Fresno County, California Tulare County, California	1	articled, illustrated, Stub-class
De-No-To Cultural District (#85000901)	Humboldt County, California Trinity County, California	1	articled, unillustrated, Stub-class
Juan Bautista de Anza National Historic Trail (#73002252)	Imperial County, California San Diego County, California	1	articled, partially-illustrated, Start+
Ridge Route (#97001113)	Kern County, California Los Angeles County, California	1	articled, illustrated, Start+
Nobles Emigrant Trail (#75000222)	Lassen County, California Shasta County, California	1	articled, illustrated, Start+
Russian Village District (#78000680)	Los Angeles County, California San Bernardino County, California	1	articled, illustrated, Start+
Lava Beds National Monument (#75002182)	Modoc County, California Siskiyou County, California	1	articled, illustrated, Start+
Foote's Crossing Road (#81000180)	Nevada County, California Sierra County, California	1	articled, unillustrated, Start+
I Street Bridge (#82002233)	Sacramento County, California Yolo County, California	1	articled, illustrated, Stub-class
Tower Bridge (Sacramento, California) (#82004845)	Sacramento County, California Yolo County, California	1	articled, illustrated, Start+
Sulphur Creek Archeological District (#80000370)	Shasta County, California Tehama County, California	1	articled, unillustrated, Stub-class, NRIS-only
Total		13	9	13	5	1	8	0	0

Colorado

Denver County, Colorado

Site	Lists	Number of Duplicates	Stats
19th Street Bridge (#85000201)	downtown Denver west Denver	1	articled, illustrated, Start+
Speer Boulevard (#86002240)	downtown Denver northeast Denver southeast Denver	2	articled, illustrated, Stub-class
East Sixth Avenue Parkway (#86002214)	northeast Denver southeast Denver	1	articled, illustrated, Stub-class
Monaco Street Parkway (#86002207)	northeast Denver southeast Denver	1	articled, illustrated, Stub-class
South Platte River Bridges (#02001128)	northeast Denver west Denver	1	articled, illustrated, Stub-class
Total		6	6	6	5	0	1	0	0

Colorado Statewide

Site	Lists	Number of Duplicates	Stats
Riverside Cemetery (Denver, Colorado) (#94001253)	Adams County, Colorado northeast Denver	1	articled, illustrated, Start+
Colorado Millennial site (#80000877)	Baca County, Colorado Las Animas County, Colorado	1	articled, partially-illustrated, Start+
Rollins Pass (#80000881)	Boulder County, Colorado Gilpin County, Colorado Grand County, Colorado	2	articled, illustrated, Start+
East Longs Peak Trail (#07000740)	Boulder County, Colorado Larimer County, Colorado	1	articled, illustrated, Stub-class
Alpine Tunnel (#80004632)	Chaffee County, Colorado Gunnison County, Colorado	1	articled, illustrated, Start+
North Inlet Trail (#08000127)	Grand County, Colorado Larimer County, Colorado	1	articled, illustrated, Stub-class
Tonahutu Creek Trail (#08000130)	Grand County, Colorado Larimer County, Colorado	1	articled, illustrated, Stub-class
Trail Ridge Road (#84000242)	Grand County, Colorado Larimer County, Colorado	1	articled, illustrated, Start+
Tobasco Mine and Mill (#08000983)	Hinsdale County, Colorado San Juan County, Colorado	1	articled, illustrated, Stub-class
Staunton State Park (#12000991)	Jefferson County, Colorado Park County, Colorado	1	articled, unillustrated, Stub-class
Durango and Silverton Narrow Gauge Railroad (#66000247)	La Plata County, Colorado San Juan County, Colorado	1	articled, illustrated, Start+
Ute Mountain Ute Tribe (#72000273)	La Plata County, Colorado Montezuma County, Colorado	1	articled, illustrated, Stub-class
Boreas Railroad Station Site (#93001108)	Park County, Colorado Summit County, Colorado	1	articled, illustrated, Stub-class
Cumbres and Toltec Scenic Railroad (#73000462)	Archuleta County, Colorado Conejos County, Colorado	1	articled, illustrated, Start+
Total		15	13	15	7	0	8	0	0

Connecticut

Fairfield County, Connecticut

Site	Lists	Number of Duplicates	Stats
Merritt Parkway (#91000410)	Greenwich, Connecticut Stamford, Connecticut Fairfield County, Connecticut	2	articled, illustrated, Start+
Total		2	2	2	0	0	2	0	0

Hartford County, Connecticut

Site	Lists	Number of Duplicates	Stats
Bulkeley Bridge (#93001347)	Hartford, Connecticut Hartford County, Connecticut	1	articled, illustrated, Start+
Cedar Hill Cemetery (Hartford, Connecticut) (#97000333)	Hartford, Connecticut Hartford County, Connecticut	1	articled, illustrated, Start+
Elizabeth Park, Hartford (#83001259)	Hartford, Connecticut West Hartford, Connecticut	1	articled, illustrated, Start+
Hartford Golf Club Historic District (#86001370)	Hartford, Connecticut West Hartford, Connecticut	1	articled, illustrated, Start+
Prospect Avenue Historic District (#85001918)	Hartford, Connecticut West Hartford, Connecticut	1	articled, illustrated, Start+
Watkinson School (#95000273)	Hartford, Connecticut West Hartford, Connecticut	1	articled, illustrated, Start+
West End North Historic District (#85001618)	Hartford, Connecticut West Hartford, Connecticut	1	articled, illustrated, Start+
West End South Historic District (#85000763)	Hartford, Connecticut West Hartford, Connecticut	1	articled, illustrated, Start+
Farmington Canal (#85002664)	Southington, Connecticut Hartford County, Connecticut	1	articled, illustrated, Start+
Hubbard Park (Meriden, Connecticut) (#97001466)	Southington, Connecticut Hartford County, Connecticut	1	articled, illustrated, Start+
Total		10	10	10	0	0	10	0	0

Middlesex County, Connecticut

There are no duplications across sublists of Middlesex County, Connecticut.

New Haven County, Connecticut

Site	Lists	Number of Duplicates	Stats
Farmington Canal (#85002664)	New Haven, Connecticut New Haven County, Connecticut	1	articled, illustrated, Start+
East Rock Park (#97000299)	New Haven, Connecticut New Haven County, Connecticut	1	articled, illustrated, Start+
Edgerton Park (#88001469)	New Haven, Connecticut New Haven County, Connecticut	1	articled, illustrated, Start+
Total		3	3	3	0	0	3	0	0

Connecticut Statewide

Site	Lists	Number of Duplicates	Stats
Stevenson Dam Hydroelectric Plant (#00001073)	Fairfield County, Connecticut New Haven County, Connecticut	1	articled, illustrated, Start+
Washington Bridge (Connecticut) (#04001093)	Fairfield County, Connecticut New Haven County, Connecticut	1	articled, illustrated, Start+
Farmington Canal (#85002664)	Southington, Connecticut Hartford County, Connecticut New Haven, Connecticut New Haven County, Connecticut	1	articled, illustrated, Start+
Hubbard Park (Meriden, Connecticut) (#97001466)	Southington, Connecticut Hartford County, Connecticut New Haven County, Connecticut	1	articled, illustrated, Start+
Marion, Connecticut (#88001423)	Southington, Connecticut New Haven County, Connecticut	1	articled, illustrated, Start+
Southbury Training School (#92000368)	Litchfield County, Connecticut New Haven County, Connecticut	1	articled, illustrated, Start+
Bridge No. 1132 (#04001091)	Middlesex County, Connecticut New Haven County, Connecticut	1	articled, illustrated, Start+
Hadlyme North Historic District (#88002686)	Middlesex County, Connecticut New London County, Connecticut	1	articled, illustrated, Start+
Hammonasset Paper Mill Site (#96000128)	Middlesex County, Connecticut New Haven County, Connecticut	1	articled, illustrated, Stub-class
Gillette Castle State Park (#86002103)	Middlesex County, Connecticut New London County, Connecticut	1	articled, illustrated, Start+
Edward Waldo House (#78002879)	New London County, Connecticut Windham County, Connecticut	1	articled, illustrated, Start+
Mansfield Hollow Lake (#03000194)	Tolland County, Connecticut Windham County, Connecticut	1	articled, illustrated, Start+
Total		12	12	12	1	0	11	0	0

Delaware

New Castle County, Delaware

There are no duplications across sublists of New Castle County, Delaware.

Delaware Statewide

Site	Lists	Number of Duplicates	Stats
Delaware Boundary Markers (#75002101)	Kent County, Delaware northern New Castle County, Delaware southern New Castle County, Delaware Sussex County, Delaware	3	articled, illustrated, Stub-class
Total		3	3	3	3	0	0	0	0

D.C.

Site	Lists	Number of Duplicates	Stats
American Revolution Statuary (#78000256)	central Washington, D.C. western Washington, D.C. the upper NW Quadrant of Washington, D.C. Northeast Quadrant, Washington, D.C.	3	articled, illustrated, Stub-class
Capitol Hill (#76002127)	central Washington, D.C. Northeast Quadrant, Washington, D.C. Southeast Quadrant, Washington, D.C.	2	articled, illustrated, Start+
Civil War Monuments in Washington, D.C. (#78000257)	central Washington, D.C. the upper NW Quadrant of Washington, D.C. Northeast Quadrant, Washington, D.C. Southeast Quadrant, Washington, D.C.	3	articled, illustrated, Stub-class
Mount Vernon Square (#99001071)	central Washington, D.C. the upper NW Quadrant of Washington, D.C.	1	articled, illustrated, Stub-class
Boulder Bridge and Ross Drive Bridge (#80000348)	western Washington, D.C. the upper NW Quadrant of Washington, D.C.	1	articled, illustrated, Stub-class
Dumbarton Bridge (Washington, D.C.) (#73002080)	western Washington, D.C. the upper NW Quadrant of Washington, D.C.	1	articled, illustrated, Start+
Embassy Row (#74002166)	western Washington, D.C. the upper NW Quadrant of Washington, D.C.	1	articled, illustrated, Start+
Rock Creek and Potomac Parkway (#05000367)	western Washington, D.C. the upper NW Quadrant of Washington, D.C.	1	articled, illustrated, Start+
Rock Creek Park (#91001524)	western Washington, D.C. the upper NW Quadrant of Washington, D.C.	1	articled, illustrated, Start+
Boundary markers of the original District of Columbia (#96001249)	Northeast Quadrant, Washington, D.C. Southeast Quadrant, Washington, D.C.	1	articled, illustrated, Start+
Civil War Defenses of Washington (#74000274)	central Washington, D.C. western Washington, D.C. the upper NW Quadrant of Washington, D.C. Northeast Quadrant, Washington, D.C. Southeast Quadrant, Washington, D.C.	4	articled, illustrated, Start+
Total		19	19	19	8	0	11	0	0

Florida

Miami-Dade County, Florida

Site	Lists	Number of Duplicates	Stats
Venetian Causeway (#89000852)	Miami, Florida Miami-Dade County, Florida	1	articled, illustrated, Stub-class
Vizcaya Museum and Gardens (#70000181)	Miami, Florida Miami-Dade County, Florida	1	articled, illustrated, Start+
Total		2	2	2	1	0	1	0	0

Hillsborough County, Florida

There are no duplications across sublists of Hillsborough County, Florida.

Florida Statewide

Site	Lists	Number of Duplicates	Stats
Melrose Historic District (#89002305)	Alachua County, Florida Putnam County, Florida	1	articled, illustrated, Stub-class
Dixie Highway (#05000311)	Flagler County, Florida St. Johns County, Florida	1	articled, illustrated, Start+
Total		2	2	2	1	0	1	0	0

Georgia

Site	Lists	Number of Duplicates	Stats
Gillsville Historic District (#85001933)	Banks County, Georgia Hall County, Georgia	1	articled, illustrated, Stub-class
Maysville Historic District (Maysville, Georgia) (#85002203)	Banks County, Georgia Jackson County, Georgia	1	articled, illustrated, Stub-class
Augusta Canal (#71000285)	Columbia County, Georgia Richmond County, Georgia	1	articled, illustrated, Start+
Roscoe–Dunaway Gardens Historic District (#96001414)	Coweta County, Georgia Fulton County, Georgia	1	articled, illustrated, Start+
Brookhaven Historic District (#86000134)	DeKalb County, Georgia Fulton County, Georgia	1	articled, illustrated, Stub-class
Inman Park–Moreland Historic District (#86001209)	DeKalb County, Georgia Fulton County, Georgia	1	articled, illustrated, Stub-class
Pebble Hill Plantation (#90000146)	Grady County, Georgia Thomas County, Georgia	1	articled, illustrated, Start+
Jewell Historic District (#79003106)	Hancock County, Georgia Warren County, Georgia	1	articled, illustrated, Stub-class
Andersonville Prison (#70000070)	Macon County, Georgia Sumter County, Georgia	1	articled, illustrated, Start+
Chickamauga and Chattanooga National Military Park (#66000274)	Catoosa County, Georgia Walker County, Georgia	1	articled, illustrated, Start+
Total		10	10	10	5	0	5	0	0

Hawaii

Honolulu County, Hawaii

There are no duplications across sublists of Honolulu County, Hawaii.

Maui County, Hawaii

There are no duplications across sublists of Maui County, Hawaii.

Hawaii Statewide

There are no duplications across sublists of Hawaii.

Idaho

Site	Lists	Number of Duplicates	Stats
Diversion Dam and Deer Flat Embankments (#76000666)	Ada County, Idaho Canyon County, Idaho	1	articled, illustrated, Stub-class
Guffey Butte–Black Butte Archeological District (#78001038)	Ada County, Idaho Canyon County, Idaho Elmore County, Idaho Owyhee County, Idaho	3	articled, illustrated, Stub-class
Mullan Road (#90000548)	Benewah County, Idaho Kootenai County, Idaho	1	articled, illustrated, Start+
Owsley Bridge (#98001172)	Gooding County, Idaho Twin Falls County, Idaho	1	articled, illustrated, Stub-class
Lower Salmon River Archeological District (#86002170)	Idaho County, Idaho Lewis County, Idaho Nez Perce County, Idaho	2	articled, illustrated, Stub-class
Caldron Linn (Idaho) (#72000442)	Jerome County, Idaho Twin Falls County, Idaho	1	articled, illustrated, Stub-class
Milner Dam (#86001720)	Jerome County, Idaho Twin Falls County, Idaho	1	articled, illustrated, Start+
Hells Canyon National Recreation Area (#84000984)	Adams County, Idaho Idaho County, Idaho Nez Perce County, Idaho	2	articled, partially-illustrated, Start+
Total		12	10	12	8	0	4	0	0

Illinois

Cook County, Illinois

Site	Lists	Number of Duplicates	Stats
Chicago park and boulevard system (#12000040)	North Side Chicago South Side Chicago West Side Chicago	2	articled, illustrated, Start+
Logan Square Boulevards Historic District (#85002901)	North Side Chicago West Side Chicago	1	articled, illustrated, Stub-class
Chicago Sanitary and Ship Canal (#11000907)	West Side Chicago Cook County, Illinois	1	articled, illustrated, Start+
Total		4	4	4	1	0	3	0	0

Illinois Statewide

Site	Lists	Number of Duplicates	Stats
Bolivia Road Bridge (#03001464)	Christian County, Illinois Sangamon County, Illinois	1	articled, illustrated, Stub-class
Chicago Sanitary and Ship Canal (#11000907)	West Side Chicago Cook County, Illinois DuPage County, Illinois Will County, Illinois	2	articled, illustrated, Start+
Barrington Historic District (#86001047)	Cook County, Illinois Lake County, Illinois	1	articled, illustrated, Start+
Cahokia (#66000899)	Madison County, Illinois St. Clair County, Illinois	1	articled, illustrated, Start+
Clear Lake Site (#78001171)	Mason County, Illinois Tazewell County, Illinois	1	articled, unillustrated, Stub-class
Kincaid Mounds State Historic Site (#66000326)	Massac County, Illinois Pope County, Illinois	1	articled, illustrated, Start+
French Colonial Historic District (#74000772)	Monroe County, Illinois Randolph County, Illinois	1	articled, illustrated, Stub-class
Lunsford-Pulcher Archeological Site (#73000712)	Monroe County, Illinois St. Clair County, Illinois	1	articled, illustrated, Stub-class
Total		9	8	9	4	0	5	0	0

Indiana

Marion County, Indiana

Site	Lists	Number of Duplicates	Stats
Indianapolis Park and Boulevard System (#03000149)	Center Township, Marion County, Indiana Marion County, Indiana	1	articled, illustrated, Start+
Total		1	1	1	0	0	1	0	0

Indiana Statewide

Site	Lists	Number of Duplicates	Stats
Scotland Bridge (#94000228)	Boone County, Indiana Clinton County, Indiana	1	articled, illustrated, Stub-class
Traders Point Eagle Creek Rural Historic District (#09000433)	Boone County, Indiana Marion County, Indiana	1	articled, illustrated, Stub-class
Shakamak State Park (#00000199)	Clay County, Indiana Greene County, Indiana Sullivan County, Indiana	2	articled, illustrated, Start+
County Bridge No. 45 (#06000856)	Daviess County, Indiana Knox County, Indiana	1	articled, illustrated, Stub-class
Laughery Creek Bridge (#76000018)	Dearborn County, Indiana Ohio County, Indiana	1	articled, illustrated, Start+
Patoka Bridges Historic District (#05000198)	Gibson County, Indiana Pike County, Indiana	1	articled, illustrated, Stub-class
County Line Bridge (Morristown, Indiana) (#94001356)	Hancock County, Indiana Rush County, Indiana	1	articled, illustrated, Stub-class
Cavanaugh Bridge (#07001280)	Jackson County, Indiana Washington County, Indiana	1	articled, illustrated, Stub-class
Ennis Archaeological Site (#85001167)	Monroe County, Indiana Owen County, Indiana	1	articled, illustrated, Start+, NRIS-only
Secrest Ferry Bridge (#96000603)	Monroe County, Indiana Owen County, Indiana	1	articled, illustrated, Stub-class
Huffman Mill Covered Bridge (#98000299)	Perry County, Indiana Spencer County, Indiana	1	articled, illustrated, Stub-class
Angel Mounds (#66000124)	Vanderburgh County, Indiana Warrick County, Indiana	1	articled, illustrated, Start+
Total		13	13	13	8	1	5	0	0

Iowa

Polk County, Iowa

There are no duplications across sublists of Polk County, Iowa.

Scott County, Iowa

Site	Lists	Number of Duplicates	Stats
Davenport Downtown Commercial Historic District (#100005546)	Downtown Davenport, Iowa west Davenport, Iowa	1	articled, illustrated, Start+
Vander Veer Park Historic District (#85000784)	east Davenport, Iowa west Davenport, Iowa	1	articled, illustrated, Start+
Total		2	2	2	0	0	2	0	0

Iowa Statewide

Site	Lists	Number of Duplicates	Stats
Effigy Mounds National Monument (#66000109)	Allamakee County, Iowa Clayton County, Iowa	1	articled, illustrated, Start+
Bridgeport Bridge (Denmark, Iowa) (#98000533)	Des Moines County, Iowa Lee County, Iowa	1	articled, illustrated, Stub-class
County Line Bridge (Columbus Junction, Iowa) (#98000513)	Louisa County, Iowa Washington County, Iowa	1	articled, illustrated, Stub-class
Le Grand Bridge (1896) (#98000481)	Marshall County, Iowa Tama County, Iowa	1	articled, unillustrated, Stub-class
Total		4	3	4	3	0	1	0	0

Kansas

Site	Lists	Number of Duplicates	Stats
County Line Bowstring (#89002192)	Cloud County, Kansas Republic County, Kansas	1	articled, illustrated, Stub-class
Elk River Archeological District (#78001279)	Elk County, Kansas Montgomery County, Kansas	1	articled, unillustrated, Stub-class
Site No. RH00-062 (#87001001)	Brown County, Kansas Doniphan County, Kansas	1	articled, illustrated, Stub-class
Site No. JF00-072 (#87001000)	Republic County, Kansas Washington County, Kansas	1	articled, illustrated, Stub-class
Total		4	3	4	4	0	0	0	0

Kentucky

Jefferson County, Kentucky

There are no duplications across sublists of Jefferson County, Kentucky.

Kentucky Statewide

Site	Lists	Number of Duplicates	Stats
Lexington Extension of the Louisville Southern Railroad (#04000789)	Anderson County, Kentucky Woodford County, Kentucky	1	articled, illustrated, Stub-class
Owen-Gay Farm (#97000163)	Bourbon County, Kentucky Clark County, Kentucky	1	articled, illustrated, Stub-class
Falls of Rough Historic District (#78001305)	Breckinridge County, Kentucky Grayson County, Kentucky	1	articled, illustrated, Stub-class
Hunter's Bottom Historic District (#76000862)	Carroll County, Kentucky Trimble County, Kentucky	1	articled, illustrated, Stub-class
Boone Creek Rural Historic District (#94000839)	Clark County, Kentucky Fayette County, Kentucky	1	articled, unillustrated, Stub-class
Middle Reaches of Boone Creek Rural Historic District (#96000429)	Clark County, Kentucky Fayette County, Kentucky	1	articled, unillustrated, Stub-class
Mitchell-Estes Farmstead (#95001528)	Edmonson County, Kentucky Warren County, Kentucky	1	articled, illustrated, Stub-class
Salts Cave Archeological Site (#79000278)	Edmonson County, Kentucky Hart County, Kentucky	1	articled, unillustrated, Stub-class
New Zion Historic District (#08001118)	Fayette County, Kentucky Scott County, Kentucky	1	articled, unillustrated, Stub-class
Pisgah Rural Historic District (#88003348)	Fayette County, Kentucky Woodford County, Kentucky	1	articled, unillustrated, Stub-class
Redd Road Rural Historic District (#91000153)	Fayette County, Kentucky Woodford County, Kentucky	1	articled, unillustrated, Stub-class
Lower Shawneetown (#85003334)	Greenup County, Kentucky Lewis County, Kentucky	1	articled, illustrated, Start+
East Main Street Bridge (Corbin, Kentucky) (#86000605)	Knox County, Kentucky Whitley County, Kentucky	1	articled, illustrated, Stub-class
Kentucky Dam (#100001456)	Livingston County, Kentucky Marshall County, Kentucky	1	articled, illustrated, Stub-class
Red River Gorge (#03000919)	Menifee County, Kentucky Powell County, Kentucky Wolfe County, Kentucky	2	articled, unillustrated, Start+
Mill Springs Battlefield National Monument (#93000001)	Pulaski County, Kentucky Wayne County, Kentucky	1	articled, illustrated, Start+
Weisenberger Mills and Related Buildings (#84001987)	Scott County, Kentucky Woodford County, Kentucky	1	articled, illustrated, Start+
Cumberland Gap National Historical Park (#66000353)	Bell County, Kentucky Harlan County, Kentucky	1	articled, illustrated, Start+
Total		19	11	19	13	0	6	0	0

Louisiana

There are no duplications across sublists of Louisiana.

Maine

Cumberland County, Maine

There are no duplications across sublists of Cumberland County, Maine.

Maine Statewide

Site	Lists	Number of Duplicates	Stats
Sabbathday Lake Shaker Village (#74000318)	Androscoggin County, Maine Cumberland County, Maine	1	articled, illustrated, Start+
Ryefield Bridge (#99001193)	Cumberland County, Maine Oxford County, Maine	1	articled, illustrated, Start+
Benedict Arnold's expedition to Quebec (#69000018)	Franklin County, Maine Kennebec County, Maine Sagadahoc County, Maine Somerset County, Maine	3	articled, illustrated, Start+
Georges River Canal (#70000048)	Knox County, Maine Waldo County, Maine	1	articled, partially-illustrated, Start+
Whitney Farm (#15000087)	Knox County, Maine Waldo County, Maine	1	articled, illustrated, Start+
Porter-Parsonsfield Bridge (#70000058)	Oxford County, Maine York County, Maine	1	articled, illustrated, Start+
Total		8	7	8	0	0	8	0	0

Maryland

City of Baltimore, Maryland

There are no duplications across sublists of City of Baltimore, Maryland.

Maryland Statewide

Site	Lists	Number of Duplicates	Stats
Inns on the National Road (#76000976)	Allegany County, Maryland Garrett County, Maryland	1	articled, illustrated, Stub-class
Old National Pike Milestones (#75002107)	Allegany County, Maryland Baltimore County, Maryland Carroll County, Maryland Frederick County, Maryland Howard County, Maryland Washington County, Maryland Central Baltimore	6	articled, illustrated, Stub-class
Dundalk Historic District (#83003630)	Baltimore County, Maryland South and Southeast Baltimore	1	articled, illustrated, Stub-class
Jericho Covered Bridge (#78001444)	Baltimore County, Maryland Harford County, Maryland	1	articled, illustrated, Stub-class
University of Maryland Rehabilitation & Orthopaedic Institute (#79003275)	Baltimore County, Maryland West and Southwest Baltimore	1	articled, illustrated, Start+
My Lady's Manor (#78001445)	Baltimore County, Maryland Harford County, Maryland	1	articled, illustrated, Stub-class
Patterson Viaduct (#76002221)	Baltimore County, Maryland Howard County, Maryland	1	articled, illustrated, Start+
Thomas Viaduct (#66000388)	Baltimore County, Maryland Howard County, Maryland	1	articled, illustrated, Start+
Hopewell (Union Bridge, Maryland) (#80001803)	Carroll County, Maryland Frederick County, Maryland	1	articled, illustrated, Stub-class
McKinstry's Mills Historic District (#97000338)	Carroll County, Maryland Frederick County, Maryland	1	articled, illustrated, Stub-class
Mount Airy Historic District (Mount Airy, Maryland) (#84001589)	Carroll County, Maryland Frederick County, Maryland	1	articled, illustrated, Stub-class
Moyaone Reserve (#100005659)	Charles County, Maryland Prince George's County, Maryland	1	articled, illustrated, Start+
Wye Mill (#85000717)	Queen Anne's County, Maryland Talbot County, Maryland	1	articled, illustrated, Stub-class
Delaware Boundary Markers (#75002101)	Caroline County, Maryland Cecil County, Maryland Dorchester County, Maryland Kent County, Maryland Queen Anne's County, Maryland Wicomico County, Maryland Worcester County, Maryland	6	articled, unillustrated, Stub-class
Chesapeake and Ohio Canal National Historical Park (#66000036)	Allegany County, Maryland Frederick County, Maryland Montgomery County, Maryland Washington County, Maryland	3	articled, illustrated, Start+
Western Maryland Railroad Right-of-Way, Milepost 126 to Milepost 160 (#81000078)	Allegany County, Maryland Washington County, Maryland	1	articled, illustrated, Start+
Total		28	22	28	20	0	8	0	0

Massachusetts

Barnstable County, Massachusetts

Site	Lists	Number of Duplicates	Stats
Town Boundary Markers of Barnstable, Massachusetts (#87000269)	Barnstable, Massachusetts Barnstable County, Massachusetts	1	articled, illustrated, Start+
Town Boundary Markers of Barnstable, Massachusetts (#87000242)	Barnstable, Massachusetts Barnstable County, Massachusetts	1	articled, illustrated, Start+
Town Boundary Markers of Barnstable, Massachusetts (#87000243)	Barnstable, Massachusetts Barnstable County, Massachusetts	1	articled, illustrated, Start+
Yarmouth Camp Ground Historic District (#90001244)	Barnstable, Massachusetts Barnstable County, Massachusetts	1	articled, illustrated, Start+
Total		4	4	4	0	0	4	0	0

Bristol County, Massachusetts

Site	Lists	Number of Duplicates	Stats
Head of the River Historic District (#09000965)	New Bedford, Massachusetts Bristol County, Massachusetts	1	articled, illustrated, Start+
Total		1	1	1	0	0	1	0	0

Essex County, Massachusetts

Site	Lists	Number of Duplicates	Stats
Arlington Mills Historic District (#85000023)	Lawrence, Massachusetts Methuen, Massachusetts	1	articled, illustrated, Start+
Bellevue Cemetery (#03000993)	Lawrence, Massachusetts Methuen, Massachusetts	1	articled, illustrated, Start+
Nahant Beach Boulevard (#03000747)	Lynn, Massachusetts Essex County, Massachusetts	1	articled, illustrated, Start+
Total		3	3	3	0	0	3	0	0

Hampden County, Massachusetts

There are no duplications across sublists of Hampden County, Massachusetts.

Middlesex County, Massachusetts

Site	Lists	Number of Duplicates	Stats
Edmund Dwight House (#89000633)	Arlington, Massachusetts Winchester, Massachusetts	1	articled, illustrated, Start+
Mystic Dam (#89002282)	Arlington, Massachusetts Medford, Massachusetts	1	articled, illustrated, Start+
Mystic Valley Parkway (#05001529)	Arlington, Massachusetts Medford, Massachusetts Somerville, Massachusetts Winchester, Massachusetts	3	articled, illustrated, Start+
Alewife Brook Parkway (#04000249)	Cambridge, Massachusetts Somerville, Massachusetts	1	articled, illustrated, Start+
Almshouse (Cambridge, Massachusetts) (#82001908)	Cambridge, Massachusetts Somerville, Massachusetts	1	articled, illustrated, Start+
Charles River Reservation Parkways (#05001530)	Cambridge, Massachusetts Newton, Massachusetts Waltham, Massachusetts Weston, Massachusetts Middlesex County, Massachusetts	4	articled, illustrated, Start+
Isaac Davis Trail (#72001347)	Concord, Massachusetts Middlesex County, Massachusetts	1	articled, illustrated, Start+
Stone's Bridge (#100000527)	Framingham, Massachusetts Middlesex County, Massachusetts	1	articled, illustrated, Start+
Sudbury Aqueduct (#89002293)	Framingham, Massachusetts Newton, Massachusetts Sherborn, Massachusetts Middlesex County, Massachusetts	3	articled, illustrated, Start+
Weston Aqueduct (#89002274)	Framingham, Massachusetts Weston, Massachusetts Middlesex County, Massachusetts	2	articled, illustrated, Start+
Metropolitan State Hospital (Massachusetts) (#93001482)	Lexington, Massachusetts Waltham, Massachusetts Middlesex County, Massachusetts	2	articled, illustrated, Start+
Middlesex Canal (#72000117)	Lowell, Massachusetts Middlesex County, Massachusetts	1	articled, illustrated, Start+
Middlesex Canal (#09000936)	Lowell, Massachusetts Medford, Massachusetts Somerville, Massachusetts Winchester, Massachusetts Middlesex County, Massachusetts	4	articled, illustrated, Start+
Fells Connector Parkways (#03000379)	Medford, Massachusetts Middlesex County, Massachusetts	1	articled, illustrated, Start+
Middlesex Fells Reservation Parkways (#02001749)	Medford, Massachusetts Stoneham, Massachusetts Winchester, Massachusetts Middlesex County, Massachusetts	3	articled, illustrated, Start+
Middlesex Fells Reservoirs Historic District (#89002249)	Medford, Massachusetts Stoneham, Massachusetts	1	articled, illustrated, Start+
Revere Beach Parkway (#07001241)	Medford, Massachusetts Middlesex County, Massachusetts	1	articled, illustrated, Start+
Total		31	31	31	0	0	31	0	0

Norfolk County, Massachusetts

Site	Lists	Number of Duplicates	Stats
Blue Hills Reservation Parkways (#03000746)	Milton, Massachusetts Quincy, Massachusetts Norfolk County, Massachusetts	2	articled, illustrated, Start+
Brookwood Farm (#80000655)	Milton, Massachusetts Norfolk County, Massachusetts	1	articled, illustrated, Start+
Massachusetts Hornfels-Braintree Slate Quarry (#80000653)	Milton, Massachusetts Quincy, Massachusetts	1	articled, illustrated, Start+
Total		4	4	4	0	0	4	0	0

Suffolk County, Massachusetts

Site	Lists	Number of Duplicates	Stats
1767 Milestones (#71000084)	northern Boston, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Emerald Necklace (#71000086)	northern Boston, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Total		2	2	2	0	0	2	0	0

Worcester County, Massachusetts

Site	Lists	Number of Duplicates	Stats
1767 Milestones (#71000084)	eastern Worcester, Massachusetts northwestern Worcester, Massachusetts Worcester County, Massachusetts	2	articled, illustrated, Start+
Blackstone Canal (#73000328)	Uxbridge, Massachusetts Worcester County, Massachusetts	1	articled, illustrated, Start+
Blackstone Canal (#95001004)	eastern Worcester, Massachusetts northwestern Worcester, Massachusetts southwestern Worcester, Massachusetts	2	articled, illustrated, Start+
Total		5	5	5	0	0	5	0	0

Massachusetts Statewide

Site	Lists	Number of Duplicates	Stats
Middlefield–Becket Stone Arch Railroad Bridge District (#80000502)	Berkshire County, Massachusetts Hampden County, Massachusetts Hampshire County, Massachusetts	2	articled, illustrated, Start+
Mohawk Trail (#73000283)	Berkshire County, Massachusetts Franklin County, Massachusetts	1	articled, illustrated, Start+
Western Railroad Stone Arch Bridges and Chester Factory Village Depot (#100006273)	Berkshire County, Massachusetts Hampden County, Massachusetts Hampshire County, Massachusetts	2	articled, illustrated, Start+
Angle Tree Stone (#76000228)	Bristol County, Massachusetts Norfolk County, Massachusetts	1	articled, illustrated, Start+
Borderland State Park (#97000497)	Bristol County, Massachusetts Norfolk County, Massachusetts	1	articled, illustrated, Start+
Breakheart Reservation (#03000748)	Essex County, Massachusetts Wakefield, Massachusetts	1	articled, illustrated, Start+
1767 Milestones (#71000084)	Springfield, Massachusetts Middlesex County, Massachusetts Brookline, Massachusetts northern Boston, Massachusetts southern Boston, Massachusetts eastern Worcester, Massachusetts northwestern Worcester, Massachusetts Worcester County, Massachusetts	4	articled, illustrated, Start+
Ware–Hardwick Covered Bridge (#86001006)	Hampshire County, Massachusetts Worcester County, Massachusetts	1	articled, illustrated, Start+
Charles River Reservation (#78000436)	Cambridge, Massachusetts northern Boston, Massachusetts	1	articled, illustrated, Start+
Charles River Reservation Parkways (#05001530)	Cambridge, Massachusetts Newton, Massachusetts Waltham, Massachusetts Weston, Massachusetts Middlesex County, Massachusetts northern Boston, Massachusetts	1	articled, illustrated, Start+
Sudbury Aqueduct (#89002293)	Framingham, Massachusetts Newton, Massachusetts Sherborn, Massachusetts Middlesex County, Massachusetts Norfolk County, Massachusetts	1	articled, illustrated, Start+
Sudbury Dam Historic District (#89002265)	Framingham, Massachusetts Worcester County, Massachusetts	1	articled, illustrated, Start+
Weston Aqueduct (#89002274)	Framingham, Massachusetts Weston, Massachusetts Middlesex County, Massachusetts Worcester County, Massachusetts	1	articled, illustrated, Start+
Middlesex Canal (#09000936)	Lowell, Massachusetts Medford, Massachusetts Somerville, Massachusetts Winchester, Massachusetts Middlesex County, Massachusetts northern Boston, Massachusetts	1	articled, illustrated, Start+
Marlborough Brook Filter Beds (#89002286)	Marlborough, Massachusetts Worcester County, Massachusetts	1	articled, illustrated, Start+
Wachusett Aqueduct (#89002276)	Marlborough, Massachusetts Worcester County, Massachusetts	1	articled, illustrated, Start+
Revere Beach Parkway (#07001241)	Medford, Massachusetts Middlesex County, Massachusetts Suffolk County, Massachusetts	1	articled, illustrated, Start+
Chestnut Hill Historic District (Brookline, Massachusetts) (#85003253)	Newton, Massachusetts Brookline, Massachusetts	1	articled, illustrated, Start+
Chestnut Hill Reservoir Historic District (#89002271)	Newton, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Echo Bridge (#80000638)	Newton, Massachusetts Norfolk County, Massachusetts	1	articled, illustrated, Start+
Hammond Pond Parkway (#04000250)	Newton, Massachusetts Brookline, Massachusetts	1	articled, illustrated, Start+
Needham Street Bridge (#86001852)	Newton, Massachusetts Norfolk County, Massachusetts	1	articled, illustrated, Stub-class
Cedar Swamp Archeological District (#88000587)	Middlesex County, Massachusetts Worcester County, Massachusetts	1	articled, illustrated, Start+
Fort Devens Historic District (#93000437)	Middlesex County, Massachusetts northern Worcester County, Massachusetts	1	articled, illustrated, Start+
Shirley Shaker Village (#76000271)	Middlesex County, Massachusetts northern Worcester County, Massachusetts	1	articled, illustrated, Start+
Larz Anderson Park (#85003245)	Brookline, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Brandegee Estate (#85003244)	Brookline, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Allandale Farm (#85003246)	Brookline, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Emerald Necklace (#71000086)	Brookline, Massachusetts northern Boston, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Veterans of Foreign Wars Parkway (#04001432)	Brookline, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
West Roxbury Parkway (#05001528)	Brookline, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Blue Hills Parkway (#03000574)	Milton, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Dorchester-Milton Lower Mills Industrial District (#80000675)	Milton, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Neponset Valley Parkway (#04001573)	Milton, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Paul's Bridge (#72000140)	Milton, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Truman Parkway (#04001430)	Milton, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Boston Harbor Islands National Recreation Area (#85003323)	Quincy, Massachusetts Plymouth County, Massachusetts southern Boston, Massachusetts	2	articled, illustrated, Start+
Fairview Cemetery (Boston, Massachusetts) (#09000717)	Norfolk County, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
D.W. Field Park (#00001341)	Norfolk County, Massachusetts Plymouth County, Massachusetts	1	articled, illustrated, Start+
Stony Brook Reservation Parkways (#05001509)	Norfolk County, Massachusetts southern Boston, Massachusetts	1	articled, illustrated, Start+
Total		46	46	46	1	0	45	0	0

Michigan

Wayne County, Michigan

Site	Lists	Number of Duplicates	Stats
West Jefferson Avenue–Rouge River Bridge (#00000079)	Detroit Wayne County, Michigan	1	articled, illustrated, Start+
Total		1	1	1	0	0	1	0	0

Michigan Statewide

Site	Lists	Number of Duplicates	Stats
Clinton–Kalamazoo Canal (#72000638)	Macomb County, Michigan Oakland County, Michigan	1	articled, illustrated, Start+
Jefferson Avenue–Huron River and Harbin Drive–Silver Creek Canal Bridges (#00000080)	Monroe County, Michigan Wayne County, Michigan	1	articled, illustrated, Start+
Main Street Historic District (Milan, Michigan) (#99000434)	Monroe County, Michigan Washtenaw County, Michigan	1	articled, illustrated, Start+
Total		3	3	3	0	0	3	0	0

Minnesota

Site	Lists	Number of Duplicates	Stats
Anoka–Champlin Mississippi River Bridge (#79001181)	Anoka County, Minnesota Hennepin County, Minnesota	1	articled, illustrated, Start+
Itasca State Park (#73000972)	Becker County, Minnesota Clearwater County, Minnesota Hubbard County, Minnesota	2	articled, illustrated, Start+
Crow Wing State Park (#70000288)	Cass County, Minnesota Crow Wing County, Minnesota Morrison County, Minnesota	2	articled, illustrated, Start+
Winnibigoshish Lake Dam (#82004629)	Cass County, Minnesota Itasca County, Minnesota	1	articled, illustrated, Start+
Lac qui Parle Mission (#73000971)	Chippewa County, Minnesota Lac qui Parle County, Minnesota	1	articled, illustrated, Start+
Fort Snelling (#66000401)	Dakota County, Minnesota Hennepin County, Minnesota	1	articled, illustrated, Start+
Mendota Bridge (#78001534)	Dakota County, Minnesota Hennepin County, Minnesota	1	articled, illustrated, Start+
Hanover Bridge (#79001268)	Hennepin County, Minnesota Wright County, Minnesota	1	articled, illustrated, Start+
Intercity Bridge (#89001838)	Hennepin County, Minnesota Ramsey County, Minnesota	1	articled, illustrated, Start+
Meeker Island Lock and Dam (#03000522)	Hennepin County, Minnesota Ramsey County, Minnesota	1	articled, illustrated, Start+
Broadway Bridge (St. Peter, Minnesota) (#99000934)	Le Sueur County, Minnesota Nicollet County, Minnesota	1	articled, illustrated, Stub-class
Dodd Road Discontiguous District (#03000520)	Le Sueur County, Minnesota Rice County, Minnesota	1	articled, illustrated, Start+
Total		14	14	14	1	0	13	0	0

Mississippi

Site	Lists	Number of Duplicates	Stats
French Site (22HO565) (#86002328)	Carroll County, Mississippi Holmes County, Mississippi	1	articled, unillustrated, Stub-class, NRIS-only
Waverly Bridge (Mississippi) (#88002412)	Clay County, Mississippi Lowndes County, Mississippi	1	articled, illustrated, Stub-class
Gatesville Bridge (#88002482)	Copiah County, Mississippi Simpson County, Mississippi	1	articled, unillustrated, Stub-class
Big Black River Battlefield (#71000451)	Hinds County, Mississippi Warren County, Mississippi	1	articled, illustrated, Stub-class
Big Black River Railroad Bridge (#88002418)	Hinds County, Mississippi Warren County, Mississippi	1	articled, illustrated, Stub-class
Byram Bridge (#79003427)	Hinds County, Mississippi Rankin County, Mississippi	1	articled, illustrated, Stub-class
Woodrow Wilson Bridge (Jackson, Mississippi) (#88002485)	Hinds County, Mississippi Rankin County, Mississippi	1	articled, illustrated, Stub-class
Pharr Mounds (#78000346)	Itawamba County, Mississippi Prentiss County, Mississippi	1	articled, illustrated, Start+
Total		8	6	8	7	1	1	0	0

Missouri

Jackson County, Missouri

Site	Lists	Number of Duplicates	Stats
Kansas City Parks and Boulevards Historic District (#14000931)	Jackson County, Missouri: Downtown Kansas City Jackson County, Missouri: Kansas City other	1	articled, unillustrated, Stub-class
Total		1	0	1	1	0	0	0	0

St. Louis, Missouri

There are no duplications across sublists of St. Louis, Missouri.

Missouri Statewide

Site	Lists	Number of Duplicates	Stats
Southwest Missouri Prehistoric Rock Shelter and Cave Sites Discontiguous Archeological District (#91002046)	Barry County, Missouri Christian County, Missouri Douglas County, Missouri Stone County, Missouri	3	articled, unillustrated, Stub-class
Little Black River Archeological District (#75001064)	Butler County, Missouri Ripley County, Missouri	1	articled, unillustrated, Stub-class
Lake of the Ozarks State Park (#85000533)	Camden County, Missouri Miller County, Missouri	1	articled, illustrated, Stub-class
Arrow Rock Historic District (#66000422)	Cooper County, Missouri Saline County, Missouri	1	articled, illustrated, Start+
Bennett Spring State Park (#85000504)	Dallas County, Missouri Laclede County, Missouri	1	articled, illustrated, Start+
Beaumont-Tyson Quarry District (#74001079)	Jefferson County, Missouri St. Louis County, Missouri	1	articled, unillustrated, Stub-class, NRIS-only
Delmar Loop–Parkview Gardens Historic District (#84002624)	St. Louis County, Missouri St. Louis north and west of downtown	1	articled, illustrated, Stub-class
DeMun, St. Louis (#05000370)	St. Louis County, Missouri St. Louis north and west of downtown	1	articled, illustrated, Start+
Parkview, St. Louis (#86000788)	St. Louis County, Missouri St. Louis north and west of downtown	1	articled, illustrated, Start+
Wydown-Forsyth District (#88000628)	St. Louis County, Missouri St. Louis north and west of downtown	1	articled, illustrated, Stub-class
Total		12	7	12	8	1	4	0	0

Montana

Site	Lists	Number of Duplicates	Stats
Judith Landing Historic District (#75001081)	Chouteau County, Montana Fergus County, Montana	1	articled, illustrated, Stub-class
Butte, Anaconda and Pacific Railway Historic District (#88001111)	Deer Lodge County, Montana Silver Bow County, Montana	1	articled, illustrated, Stub-class
Butte–Anaconda Historic District (#66000438)	Deer Lodge County, Montana Silver Bow County, Montana	1	articled, illustrated, Start+
Fred Robinson Bridge (#12000171)	Fergus County, Montana Phillips County, Montana	1	articled, illustrated, Stub-class
Going-to-the-Sun Road (#83001070)	Flathead County, Montana Glacier County, Montana	1	articled, illustrated, Start+
Great Northern Railway Buildings (#87001453)	Flathead County, Montana Glacier County, Montana	1	articled, illustrated, Start+
Homestake Airway Beacon (#100004037)	Jefferson County, Montana Silver Bow County, Montana	1	unarticled, unillustrated
Lewis and Clark Bridge (Wolf Point, Montana) (#97001451)	McCone County, Montana Roosevelt County, Montana	1	articled, illustrated, Stub-class
Beartooth Highway (#14000219)	Carbon County, Montana Park County, Montana	1	articled, illustrated, Start+
Fort Union Trading Post National Historic Site (#66000103)	Richland County, Montana Roosevelt County, Montana	1	articled, illustrated, Start+
Total		10	9	9	4	0	5	0	0

Nebraska

Site	Lists	Number of Duplicates	Stats
Sweetwater Archeological Site (#74001141)	Buffalo County, Nebraska Sherman County, Nebraska	1	articled, illustrated, Stub-class
Spade Ranch (Nebraska) (#80002464)	Cherry County, Nebraska Sheridan County, Nebraska	1	articled, illustrated, Start+
Deering Bridge (#92000748)	Clay County, Nebraska Fillmore County, Nebraska	1	articled, illustrated, Stub-class
Fort Robinson (#66000442)	Dawes County, Nebraska Sioux County, Nebraska	1	articled, illustrated, Start+
Champe-Fremont 1 Archeological Site (#75001091)	Douglas County, Nebraska Sarpy County, Nebraska	1	articled, unillustrated, Stub-class, NRIS-only
Frank Parker Archeological Site (#09000069)	Douglas County, Nebraska Washington County, Nebraska	1	articled, unillustrated, Stub-class
Palmer Site (#66000447)	Howard County, Nebraska Merrick County, Nebraska	1	articled, illustrated, Start+
Carns State Aid Bridge (#92000722)	Keya Paha County, Nebraska Rock County, Nebraska	1	articled, illustrated, Stub-class
Site No. JF00-072 (#87001000)	Jefferson County, Nebraska Thayer County, Nebraska	1	articled, illustrated, Stub-class
Total		9	7	9	6	1	3	0	0

Nevada

Site	Lists	Number of Duplicates	Stats
Applegate Trail (#78001722)	Humboldt County, Nevada Pershing County, Nevada Washoe County, Nevada	2	articled, unillustrated, Start+
Virginia City Historic District (Virginia City, Nevada) (#66000458)	Lyon County, Nevada Storey County, Nevada	1	articled, illustrated, Start+
Derby Dam (#78001727)	Storey County, Nevada Washoe County, Nevada	1	articled, illustrated, Start+
Marlette Lake Water System (#92001162)	Storey County, Nevada Washoe County, Nevada Carson City, Nevada	2	articled, illustrated, Stub-class
Total		6	4	6	2	0	4	0	0

New Hampshire

There are no duplications across sublists of New Hampshire.

New Jersey

Bergen County, New Jersey

There are no duplications across sublists of Bergen County, New Jersey.

New Jersey Statewide

Site	Lists	Number of Duplicates	Stats
Abbott Farm Historic District (#76001158)	Burlington County, New Jersey Mercer County, New Jersey	1	articled, illustrated, Start+
Crosswicks Creek Site III (#87001795)	Burlington County, New Jersey Mercer County, New Jersey	1	articled, illustrated, Start+
Brendan T. Byrne State Forest (#88002115)	Burlington County, New Jersey Ocean County, New Jersey	1	articled, illustrated, Start+
Evergreen Cemetery (Hillside, New Jersey) (#91000882)	Essex County, New Jersey Union County, New Jersey	1	articled, illustrated, Start+
Morris Canal (#74002228)	Essex County, New Jersey Hudson County, New Jersey Morris County, New Jersey Passaic County, New Jersey Sussex County, New Jersey Warren County, New Jersey	5	articled, illustrated, Start+
New Jersey Route 25 (#05000880)	Essex County, New Jersey Hudson County, New Jersey	1	articled, illustrated, Start+
Asbury Historic District (#93000132)	Hunterdon County, New Jersey Warren County, New Jersey	1	articled, illustrated, Start+
Cloverhill, New Jersey (#80002492)	Hunterdon County, New Jersey Somerset County, New Jersey	1	articled, illustrated, Start+
Delaware and Raritan Canal (#73001105)	Hunterdon County, New Jersey Mercer County, New Jersey Middlesex County, New Jersey Somerset County, New Jersey	3	articled, illustrated, Start+
Fairmount Historic District (Califon, New Jersey) (#96001470)	Hunterdon County, New Jersey Morris County, New Jersey	1	articled, illustrated, Start+
Highfields (Amwell and Hopewell, New Jersey) (#94001096)	Hunterdon County, New Jersey Mercer County, New Jersey	1	articled, illustrated, Start+
Imlaydale Historic District (#91000306)	Hunterdon County, New Jersey Warren County, New Jersey	1	articled, illustrated, Start+
Miller Farmstead (Penwell, New Jersey) (#88002118)	Hunterdon County, New Jersey Warren County, New Jersey	1	articled, illustrated, Start+
New Hampton Pony Pratt Truss Bridge (#77000877)	Hunterdon County, New Jersey Warren County, New Jersey	1	articled, illustrated, Start+
Pleasant Valley, Mercer County, New Jersey (#91000676)	Hunterdon County, New Jersey Mercer County, New Jersey	1	articled, illustrated, Start+
Pottersville, New Jersey (#90001475)	Hunterdon County, New Jersey Morris County, New Jersey Somerset County, New Jersey	2	articled, illustrated, Start+
King's Highway Historic District (New Jersey) (#00001493)	Mercer County, New Jersey Middlesex County, New Jersey Somerset County, New Jersey	2	articled, illustrated, Start+
Kingston Mill Historic District (#86000707)	Mercer County, New Jersey Middlesex County, New Jersey Somerset County, New Jersey	2	articled, illustrated, Start+
Cedar Brook Park (#07000878)	Middlesex County, New Jersey Union County, New Jersey	1	articled, illustrated, Start+
Homestead Farm at Oak Ridge (#95001185)	Middlesex County, New Jersey Union County, New Jersey	1	articled, illustrated, Start+
Kingston, New Jersey (#89002163)	Middlesex County, New Jersey Somerset County, New Jersey	1	articled, illustrated, Start+
Six Mile Run, New Jersey (#95001191)	Middlesex County, New Jersey Somerset County, New Jersey	1	articled, illustrated, Start+
Morristown National Historical Park (#66000053)	Morris County, New Jersey Somerset County, New Jersey	1	articled, illustrated, Start+
Old Mine Road Historic District (#80000410)	Sussex County, New Jersey Warren County, New Jersey	1	articled, illustrated, Start+
Total		33	33	33	0	0	33	0	0

New Mexico

Site	Lists	Number of Duplicates	Stats
Zuni-Cibola Complex (#74002267)	Cibola County, New Mexico McKinley County, New Mexico	1	articled, partially-illustrated, Start+
U.S. Route 66 in New Mexico (#97001395)	Guadalupe County, New Mexico Quay County, New Mexico	1	articled, illustrated, Start+
Bandelier National Monument (#87001452)	Los Alamos County, New Mexico Sandoval County, New Mexico	1	articled, illustrated, Start+
Bandelier National Monument (#66000042)	Los Alamos County, New Mexico Sandoval County, New Mexico Santa Fe County, New Mexico	2	articled, illustrated, Start+
Tipton-Black Willow Ranch Historic District (#00001287)	Mora County, New Mexico San Miguel County, New Mexico	1	articled, unillustrated, Stub-class
Crow Canyon Archaeological District (#74001200)	Rio Arriba County, New Mexico San Juan County, New Mexico	1	articled, illustrated, Stub-class
Posi-ouinge (#93000675)	Rio Arriba County, New Mexico Taos County, New Mexico	1	articled, illustrated, Stub-class
Puye Cliff Dwellings (#66000481)	Rio Arriba County, New Mexico Sandoval County, New Mexico	1	articled, illustrated, Start+
Gran Quivera Historic District (#15000355)	Socorro County, New Mexico Torrance County, New Mexico	1	articled, illustrated, Stub-class
Salinas Pueblo Missions National Monument (#66000494)	Socorro County, New Mexico Torrance County, New Mexico	1	articled, illustrated, Start+
Elephant Butte Irrigation District (#97000822)	Doña Ana County, New Mexico Sierra County, New Mexico	1	articled, unillustrated, Stub-class
Total		12	9	12	5	0	7	0	0

New York

Albany County, New York

Site	Lists	Number of Duplicates	Stats
Albany Felt Company Complex (#14000001)	Albany, New York Albany County, New York	1	articled, illustrated, Start+
Total		1	1	1	0	0	1	0	0

Dutchess County, New York

Site	Lists	Number of Duplicates	Stats
Hudson River Historic District (#90002219)	Rhinebeck, New York Dutchess County, New York	1	articled, illustrated, Start+
Total		1	1	1	0	0	1	0	0

Erie County, New York

There are no duplications across sublists of Erie County, New York.

Monroe County, New York

Site	Lists	Number of Duplicates	Stats
New York State Canal System (#14000860)	Rochester, New York Monroe County, New York	1	articled, illustrated, Start+
Total		1	1	1	0	0	1	0	0

Nassau County, New York

There are no duplications across sublists of Nassau County, New York.

New York County, New York

Site	Lists	Number of Duplicates	Stats
Riverside Park (Manhattan) (#83001743)	Manhattan above 59th to 110th Streets Manhattan above 110th Street	1	articled, illustrated, Start+
Total		1	1	1	0	0	1	0	0

Niagara County, New York

There are no duplications across sublists of Niagara County, New York.

Onondaga County, New York

Site	Lists	Number of Duplicates	Stats
New York State Canal System (#14000860)	Syracuse, New York Onondaga County, New York	1	articled, illustrated, Start+
Total		1	1	1	0	0	1	0	0

Suffolk County, New York

Site	Lists	Number of Duplicates	Stats
Long Island National Cemetery (#16000113)	Babylon (town), New York Huntington (town), New York	1	articled, illustrated, Start+
Total		1	1	1	0	0	1	0	0

Westchester County, New York

Site	Lists	Number of Duplicates	Stats
Croton Aqueduct (#74001324)	Yonkers, New York northern Westchester County, New York southern Westchester County, New York	2	articled, illustrated, Start+
Bronx River Parkway (#90002143)	northern Westchester County, New York southern Westchester County, New York	1	articled, illustrated, Start+
Total		3	3	3	0	0	3	0	0

New York Statewide

Site	Lists	Number of Duplicates	Stats
New York State Canal System (#14000860)	Albany County, New York Cayuga County, New York Erie County, New York Herkimer County, New York Madison County, New York Rochester, New York Monroe County, New York Montgomery County, New York Niagara County, New York Oneida County, New York Syracuse, New York Onondaga County, New York Orleans County, New York Oswego County, New York Rensselaer County, New York Saratoga County, New York Schenectady County, New York Seneca County, New York Washington County, New York Wayne County, New York	17	articled, illustrated, Start+
Washington Bridge (#83001645)	Bronx County, New York Manhattan above 110th Street	1	articled, illustrated, Start+
First Presbyterian Church of Deposit (#100004734)	Broome County, New York Delaware County, New York	1	unarticled, illustrated
Seneca River Crossing Canals Historic District (#05001397)	Cayuga County, New York Seneca County, New York	1	articled, illustrated, Stub-class
Earlville Historic District (#82001096)	Chenango County, New York Madison County, New York	1	articled, illustrated, Stub-class
Adirondack Park (#66000891)	Clinton County, New York Essex County, New York Franklin County, New York Fulton County, New York Hamilton County, New York Herkimer County, New York St. Lawrence County, New York Warren County, New York	7	articled, illustrated, Start+
AuSable Chasm Bridge (#99001320)	Clinton County, New York Essex County, New York	1	articled, illustrated, Stub-class
Double-Span Metal Pratt Truss Bridge (#83001665)	Clinton County, New York Essex County, New York	1	articled, illustrated, Stub-class
Keeseville Historic District (#83001666)	Clinton County, New York Essex County, New York	1	articled, illustrated, Stub-class
Old State Road Bridge (#99001319)	Clinton County, New York Essex County, New York	1	articled, illustrated, Stub-class
Stone Arch Bridge (Keeseville, New York) (#99001323)	Clinton County, New York Essex County, New York	1	articled, illustrated, Stub-class
USS Spitfire (1776 gunboat) (#08000694)	Clinton County, New York Essex County, New York	1	articled, illustrated, Start+
Swing Bridge (Keeseville, New York) (#99001322)	Clinton County, New York Essex County, New York	1	articled, illustrated, Stub-class
Hudson River Historic District (#90002219)	Columbia County, New York Rhinebeck, New York Dutchess County, New York	1	articled, illustrated, Start+
Hudson–Athens Lighthouse (#79003796)	Columbia County, New York Greene County, New York	1	articled, illustrated, Start+
Melius-Bentley House (#82005024)	Columbia County, New York Dutchess County, New York	1	articled, unillustrated, Stub-class
Sixteen Mile District (#79001571)	Columbia County, New York Rhinebeck, New York	1	articled, illustrated, Stub-class
Taconic State Parkway (#05001398)	Columbia County, New York Dutchess County, New York Putnam County, New York northern Westchester County, New York	3	articled, illustrated, Start+
Helen Hill Historic District (#15000754)	Essex County, New York Franklin County, New York	1	articled, illustrated, Stub-class
New York Central Railroad Adirondack Division Historic District (#93001451)	Essex County, New York Franklin County, New York Hamilton County, New York Herkimer County, New York Oneida County, New York St. Lawrence County, New York	5	articled, illustrated, Stub-class
Beth Olam Cemetery (#16000254)	Kings County, New York Queens County, New York	1	articled, illustrated, Start+
Brooklyn Bridge (#66000523)	Kings County, New York Manhattan below 14th Street	1	articled, illustrated, Start+
Cypress Avenue West Historic District (#83001768)	Kings County, New York Queens County, New York	1	articled, illustrated, Stub-class
Cemetery of the Evergreens (#07001192)	Kings County, New York Queens County, New York	1	articled, illustrated, Start+
Manhattan Bridge (#83001694)	Kings County, New York Manhattan below 14th Street	1	articled, illustrated, Start+
Queensboro Bridge (#78001879)	Manhattan from 14th to 59th Streets Queens County, New York	1	articled, illustrated, Start+
United States Military Academy (#66000562)	Orange County, New York Putnam County, New York	1	articled, illustrated, Start+
Buskirk Bridge (#78003457)	Rensselaer County, New York Washington County, New York	1	articled, illustrated, Start+
Mechanicville Hydroelectric Plant (#89001942)	Rensselaer County, New York Saratoga County, New York	1	articled, illustrated, Stub-class
Bear Mountain Bridge (#82001266)	Rockland County, New York northern Westchester County, New York	1	articled, illustrated, Start+
Champlain Canal (#76001274)	Saratoga County, New York Washington County, New York	1	articled, illustrated, Start+
Glens Falls Feeder Canal (#85003401)	Warren County, New York Washington County, New York	1	articled, illustrated, Start+
Palisades Interstate Park Commission (#66000890)	Orange County, New York Rockland County, New York	1	articled, illustrated, Start+
Delaware and Hudson Canal (#68000051)	Orange County, New York Sullivan County, New York Ulster County, New York	2	articled, illustrated, Start+
Total		63	62	62	18	0	44	0	0

North Carolina

Site	Lists	Number of Duplicates	Stats
Linville Falls Tavern (#00001554)	Avery County, North Carolina Burke County, North Carolina McDowell County, North Carolina	2	articled, illustrated, Stub-class
Cape Fear Civil War Shipwreck Discontiguous District (#85003195)	Brunswick County, North Carolina New Hanover County, North Carolina Pender County, North Carolina	2	articled, unillustrated, Stub-class
Green Park Historic District (#94001020)	Caldwell County, North Carolina Watauga County, North Carolina	1	articled, illustrated, Stub-class
Long Valley Farm (#94000032)	Cumberland County, North Carolina Harnett County, North Carolina	1	articled, unillustrated, Stub-class
Rocky Mount Central City Historic District (#80002826)	Edgecombe County, North Carolina Nash County, North Carolina	1	articled, partially-illustrated, Stub-class
Upper Town Creek Rural Historic District (#86001656)	Edgecombe County, North Carolina Wilson County, North Carolina	1	articled, unillustrated, Stub-class
Cheoah Dam (#04000464)	Graham County, North Carolina Swain County, North Carolina	1	articled, illustrated, Stub-class
Bellamy's Mill (#74001351)	Halifax County, North Carolina Nash County, North Carolina	1	articled, illustrated, Stub-class
Dillard B. and Georgia Sewell House (#15000164)	Henderson County, North Carolina Transylvania County, North Carolina	1	articled, illustrated, Stub-class
E. M. Backus Lodge (#88000689)	Jackson County, North Carolina Transylvania County, North Carolina	1	articled, illustrated, Stub-class
Battle of Wyse Fork (#100001301)	Jones County, North Carolina Lenoir County, North Carolina	1	articled, illustrated, Start+
Mount Carmel Presbyterian Church and Cemetery (#100004795)	Montgomery County, North Carolina Richmond County, North Carolina	1	unarticled, unillustrated
Beatty-Corbett House (#86000549)	Pender County, North Carolina Sampson County, North Carolina	1	articled, unillustrated, Stub-class
Total		15	8	14	13	0	1	0	0

North Dakota

Site	Lists	Number of Duplicates	Stats
Custer Military Trail Historic Archaeological District (#08001293)	Billings County, North Dakota Golden Valley County, North Dakota	1	articled, illustrated, Stub-class
Ridge Trail Historic District (#05001333)	Pembina County, North Dakota Walsh County, North Dakota	1	articled, partially-illustrated, Stub-class
Fort Union Trading Post National Historic Site (#66000103)	McKenzie County, North Dakota Williams County, North Dakota	1	articled, illustrated, Start+
Total		3	2	3	2	0	1	0	0

Ohio

Cuyahoga County, Ohio

Site	Lists	Number of Duplicates	Stats
Fairhill Road Village (#90000758)	Cleveland, Ohio Cuyahoga County, Ohio	1	articled, illustrated, Stub-class
James A. Garfield Memorial (#73001411)	Cleveland, Ohio Cuyahoga County, Ohio	1	articled, illustrated, Stub-class
Shaker Village Historic District (Shaker Heights, Ohio) (#84003650)	Cleveland, Ohio Cuyahoga County, Ohio	1	articled, illustrated, Stub-class
Woodland-Larchmere Commercial Historic District (#15000560)	Cleveland, Ohio Cuyahoga County, Ohio	1	articled, illustrated, Stub-class
Total		4	4	4	4	0	0	0	0

Erie County, Ohio

There are no duplications across sublists of Erie County, Ohio.

Franklin County, Ohio

There are no duplications across sublists of Franklin County, Ohio.

Hamilton County, Ohio

Site	Lists	Number of Duplicates	Stats
Over-the-Rhine (#83001985)	eastern Cincinnati, Ohio western Cincinnati, Ohio	1	articled, illustrated, Start+
Total		1	1	1	0	0	1	0	0

Montgomery County, Ohio

Site	Lists	Number of Duplicates	Stats
Miami Valley Golf Club (#15000372)	Dayton, Ohio Montgomery County, Ohio	1	articled, illustrated, Stub-class
Total		1	1	1	1	0	0	0	0

Summit County, Ohio

Site	Lists	Number of Duplicates	Stats
Valley Railway Historic District (#85001123)	Akron, Ohio Summit County, Ohio	1	articled, illustrated, Start+
Total		1	1	1	0	0	1	0	0

Ohio Statewide

Site	Lists	Number of Duplicates	Stats
Miami and Erie Canal Deep Cut (#66000603)	Allen County, Ohio Auglaize County, Ohio	1	articled, illustrated, Start+
Hocking Valley Scenic Railway (#88000451)	Athens County, Ohio Hocking County, Ohio	1	articled, illustrated, Start+
Seven Ranges Terminus (#76001527)	Carroll County, Ohio Stark County, Ohio Tuscarawas County, Ohio	2	articled, illustrated, Start+
Lynchburg Covered Bridge (#76001456)	Clinton County, Ohio Highland County, Ohio	1	articled, illustrated, Start+
Adams–Gray House (#79001797)	Coshocton County, Ohio Muskingum County, Ohio	1	articled, illustrated, Start+
Muskingum River Navigation Historic District (#07000025)	Coshocton County, Ohio Morgan County, Ohio Muskingum County, Ohio Washington County, Ohio	3	articled, illustrated, Stub-class
Brecksville-Northfield High Level Bridge (#86000078)	Cuyahoga County, Ohio Summit County, Ohio	1	articled, illustrated, Stub-class
Jaite Mill Historic District (#79000288)	Cuyahoga County, Ohio Summit County, Ohio	1	articled, illustrated, Start+
Ohio and Erie Canal (#66000607)	Cuyahoga County, Ohio Summit County, Ohio	1	articled, illustrated, Start+
Station Road Bridge (#79000312)	Cuyahoga County, Ohio Summit County, Ohio	1	articled, illustrated, Stub-class
Valley Railway Historic District (#85001123)	Cuyahoga County, Ohio Akron, Ohio Summit County, Ohio	1	articled, illustrated, Start+
Dean Road Bridge (#78002119)	Erie County, Ohio Lorain County, Ohio	1	articled, illustrated, Stub-class
Ohio and Erie Canal (#100003572)	Fairfield County, Ohio Franklin County, Ohio Pickaway County, Ohio Scioto County, Ohio	3	articled, partially-illustrated, Start+
Plymouth Historic District (Plymouth, Ohio) (#100003245)	Huron County, Ohio Richland County, Ohio	1	unarticled, illustrated
Interurban Bridge (#72001036)	Lucas County, Ohio Wood County, Ohio	1	articled, illustrated, Start+
Lockington Locks (#69000147)	Miami County, Ohio Shelby County, Ohio	1	articled, illustrated, Start+
Total		21	18	20	6	0	14	0	0

Oklahoma

Site	Lists	Number of Duplicates	Stats
Old Settler's Irrigation Ditch (#83002070)	Beaver County, Oklahoma Harper County, Oklahoma	1	articled, unillustrated, Stub-class
U.S. Route 66 in Oklahoma (#04000129)	Caddo County, Oklahoma Canadian County, Oklahoma	1	articled, partially-illustrated, Start+
James C. Nance Memorial Bridge (#03000882)	Cleveland County, Oklahoma McClain County, Oklahoma	1	articled, illustrated, Start+
Initial Point (Oklahoma) (#70000533)	Garvin County, Oklahoma Murray County, Oklahoma	1	articled, unillustrated, Stub-class
Lake Wister (#75001566)	Latimer County, Oklahoma Le Flore County, Oklahoma	1	articled, unillustrated, Stub-class
Battle of Honey Springs (#70000848)	McIntosh County, Oklahoma Muskogee County, Oklahoma	1	articled, illustrated, Start+
Total		6	2	6	3	0	3	0	0

Oregon

Multnomah County, Oregon

Site	Lists	Number of Duplicates	Stats
Broadway Bridge (Portland, Oregon) (#12000930)	North Portland, Oregon Northwest Portland, Oregon	1	articled, illustrated, Start+
Burnside Bridge (#12000931)	Northeast Portland, Oregon Northwest Portland, Oregon Southeast Portland, Oregon Southwest Portland, Oregon	3	articled, illustrated, Start+
Laurelhurst, Portland, Oregon (#100003462)	Northeast Portland, Oregon Southeast Portland, Oregon	1	articled, illustrated, Stub-class
Portland Skidmore/Old Town Historic District (#75001597)	Northwest Portland, Oregon Southwest Portland, Oregon	1	articled, illustrated, Stub-class
Hawthorne Bridge (#12000932)	Southeast Portland, Oregon Southwest Portland, Oregon	1	articled, illustrated, Start+
Morrison Bridge (#12000933)	Southeast Portland, Oregon Southwest Portland, Oregon	1	articled, illustrated, Start+
Total		8	8	8	2	0	6	0	0

Oregon Statewide

Site	Lists	Number of Duplicates	Stats
Sumpter Valley Railway (#87001065)	Baker County, Oregon Grant County, Oregon	1	articled, illustrated, Start+
Barlow Road (#92000334)	Clackamas County, Oregon Hood River County, Oregon Wasco County, Oregon	2	articled, illustrated, Start+
Willamette National Cemetery (#16000426)	Clackamas County, Oregon Southeast Portland, Oregon	1	articled, illustrated, Start+
Oregon Route 242 (#10001215)	Deschutes County, Oregon Lane County, Oregon Linn County, Oregon	2	articled, illustrated, Start+
Santiam Wagon Road (#10000795)	Deschutes County, Oregon Linn County, Oregon	1	articled, illustrated, Stub-class
Historic Columbia River Highway (#83004168)	Hood River County, Oregon Multnomah County, Oregon Wasco County, Oregon	2	articled, illustrated, Start+
Jacksonville-to-Fort Klamath Military Wagon Road (#79002068)	Jackson County, Oregon Klamath County, Oregon	1	articled, illustrated, Stub-class
Oregon Pacific Railroad (1880–1894) (#99001285)	Jefferson County, Oregon Linn County, Oregon Marion County, Oregon	2	articled, illustrated, Start+
Mill City Southern Pacific Rail Road (SPRR) Bridge (#100006686)	Linn County, Oregon Marion County, Oregon	1	unarticled, illustrated
Union Street Railroad Bridge (#05001520)	Marion County, Oregon Polk County, Oregon	1	articled, illustrated, Start+
Total		14	14	13	2	0	11	0	0

Pennsylvania

Allegheny County, Pennsylvania

Site	Lists	Number of Duplicates	Stats
Allegheny River Lock and Dam No. 2 (#00000396)	Pittsburgh, Pennsylvania Allegheny County, Pennsylvania	1	articled, illustrated, Start+
Washington Crossing Bridge (Pittsburgh) (#88000820)	Pittsburgh, Pennsylvania Allegheny County, Pennsylvania	1	articled, illustrated, Start+
Homestead Grays Bridge (#86000016)	Pittsburgh, Pennsylvania Allegheny County, Pennsylvania	1	articled, illustrated, Start+
McKees Rocks Bridge (#88002168)	Pittsburgh, Pennsylvania Allegheny County, Pennsylvania	1	articled, illustrated, Start+
Total		4	4	4	0	0	4	0	0

Chester County, Pennsylvania

Site	Lists	Number of Duplicates	Stats
Middle Pickering Rural Historic District (#91001125)	eastern Chester County, Pennsylvania northern Chester County, Pennsylvania	1	articled, illustrated, Start+
Total		1	1	1	0	0	1	0	0

Lancaster County, Pennsylvania

Site	Lists	Number of Duplicates	Stats
Lancaster City Historic District (#01000956)	Lancaster, Pennsylvania Lancaster County, Pennsylvania	1	articled, illustrated, Start+
Total		1	1	1	0	0	1	0	0

Philadelphia, Pennsylvania

Site	Lists	Number of Duplicates	Stats
Park Towne Place (#11000926)	Center City, Philadelphia North Philadelphia	1	articled, illustrated, Stub-class
Adams Avenue Bridge (#88000851)	North Philadelphia Northeast Philadelphia	1	articled, illustrated, Stub-class
Fairmount Park (#72001151)	North Philadelphia Northwest Philadelphia West Philadelphia	2	articled, illustrated, Start+
University Avenue Bridge (#94000515)	South Philadelphia West Philadelphia	1	articled, illustrated, Start+
Total		5	5	5	2	0	3	0	0

Pennsylvania Statewide

Site	Lists	Number of Duplicates	Stats
Allegheny River Lock and Dam No. 4 (#00000398)	Allegheny County, Pennsylvania Westmoreland County, Pennsylvania	1	articled, illustrated, Start+
East Broad Top Railroad and Coal Company (#66000666)	Bedford County, Pennsylvania Huntingdon County, Pennsylvania	1	articled, illustrated, Start+
Woodvale Historic District (#92000942)	Bedford County, Pennsylvania Fulton County, Pennsylvania Huntingdon County, Pennsylvania	2	articled, illustrated, Start+
Hopewell Furnace National Historic Site (#66000645)	Berks County, Pennsylvania northern Chester County, Pennsylvania	1	articled, illustrated, Start+
Allegheny Portage Railroad (#66000648)	Blair County, Pennsylvania Cambria County, Pennsylvania	1	articled, illustrated, Start+
Birmingham Bridge (Birmingham, Pennsylvania) (#90000400)	Blair County, Pennsylvania Huntingdon County, Pennsylvania	1	articled, illustrated, Start+
Pennsylvania Canal (Delaware Division) (#74001756)	Bucks County, Pennsylvania Northampton County, Pennsylvania	1	articled, illustrated, Start+
Ghost Town Trail (#91001138)	Cambria County, Pennsylvania Indiana County, Pennsylvania	1	articled, illustrated, Start+
Windber Historic District (#91001705)	Cambria County, Pennsylvania Somerset County, Pennsylvania	1	articled, illustrated, Start+
Lehigh Canal (#79002179)	Carbon County, Pennsylvania Northampton County, Pennsylvania	1	articled, illustrated, Start+
Bartram's Covered Bridge (#80003462)	eastern Chester County, Pennsylvania Delaware County, Pennsylvania	1	articled, illustrated, Start+
Black Rock Bridge (#88000735)	eastern Chester County, Pennsylvania Montgomery County, Pennsylvania	1	articled, illustrated, Start+
Schuylkill Canal (#88000462)	eastern Chester County, Pennsylvania Montgomery County, Pennsylvania	1	articled, illustrated, Start+
Valley Forge National Historical Park (#66000657)	eastern Chester County, Pennsylvania Montgomery County, Pennsylvania	1	articled, illustrated, Start+
Mercer's Mill Covered Bridge (#80003509)	southern Chester County, Pennsylvania Lancaster County, Pennsylvania	1	articled, illustrated, Start+
Pine Grove Covered Bridge (#80003521)	southern Chester County, Pennsylvania Lancaster County, Pennsylvania	1	articled, illustrated, Start+
Twin Bridges Rural Historic District (#100001635)	southern Chester County, Pennsylvania Delaware County, Pennsylvania	1	articled, illustrated, Start+
Cook Forest State Park (#87000019)	Clarion County, Pennsylvania Forest County, Pennsylvania	1	articled, illustrated, Start+
Lawrence L. Knoebel Covered Bridge (#79002309)	Columbia County, Pennsylvania Northumberland County, Pennsylvania	1	articled, illustrated, Start+
Kreigbaum Covered Bridge (#79002316)	Columbia County, Pennsylvania Northumberland County, Pennsylvania	1	articled, illustrated, Start+
Richards Covered Bridge (#79002308)	Columbia County, Pennsylvania Northumberland County, Pennsylvania	1	articled, illustrated, Stub-class
Etters Bridge (#86000308)	Cumberland County, Pennsylvania York County, Pennsylvania	1	articled, illustrated, Start+
Gilbert Bridge (#89000355)	Cumberland County, Pennsylvania York County, Pennsylvania	1	articled, illustrated, Start+
Market Street Bridge (Susquehanna River) (#88000759)	Cumberland County, Pennsylvania Dauphin County, Pennsylvania	1	articled, illustrated, Start+
Dauphin County Bridge No. 27 (#93000720)	Dauphin County, Pennsylvania Northumberland County, Pennsylvania	1	articled, partially-illustrated, Start+
Millersburg Ferry (#06000663)	Dauphin County, Pennsylvania Perry County, Pennsylvania	1	articled, illustrated, Start+
Rockville Bridge (#75001640)	Dauphin County, Pennsylvania Perry County, Pennsylvania	1	articled, illustrated, Start+
Brownsville Bridge (#88000834)	Fayette County, Pennsylvania Washington County, Pennsylvania	1	articled, illustrated, Start+
Albert Gallatin Memorial Bridge (#88000841)	Fayette County, Pennsylvania Greene County, Pennsylvania	1	articled, illustrated, Start+
Horn Davis Overholtzer Bridge (#79002354)	Greene County, Pennsylvania Washington County, Pennsylvania	1	articled, illustrated, Start+
East Oriental Covered Bridge (#79002246)	Juniata County, Pennsylvania Snyder County, Pennsylvania	1	articled, illustrated, Start+
North Oriental Covered Bridge (#79002247)	Juniata County, Pennsylvania Snyder County, Pennsylvania	1	articled, illustrated, Stub-class
Columbia–Wrightsville Bridge (#88000764)	Lancaster County, Pennsylvania York County, Pennsylvania	1	articled, illustrated, Start+
Central Bethlehem Historic District (#72001131)	Lehigh County, Pennsylvania Northampton County, Pennsylvania	1	articled, illustrated, Start+
Fountain Hill Historic District (#88000450)	Lehigh County, Pennsylvania Northampton County, Pennsylvania	1	articled, illustrated, Start+
Lehigh Canal (#79002307)	Lehigh County, Pennsylvania Northampton County, Pennsylvania	1	articled, illustrated, Start+
Morris Arboretum (#78002445)	Montgomery County, Pennsylvania Northwest Philadelphia	1	articled, illustrated, Start+
Fox Chase Farm (#05000415)	Montgomery County, Pennsylvania Northeast Philadelphia	1	articled, illustrated, Stub-class
Upper Roxborough Historic District (#01000463)	Montgomery County, Pennsylvania Northwest Philadelphia	1	articled, illustrated, Start+
Gottlieb Brown Covered Bridge (#79002311)	Montour County, Pennsylvania Northumberland County, Pennsylvania	1	articled, illustrated, Start+
Allenwood River Bridge (#88000865)	Northumberland County, Pennsylvania Union County, Pennsylvania	1	articled, illustrated, Start+
Watsontown River Bridge (#88000801)	Northumberland County, Pennsylvania Union County, Pennsylvania	1	articled, illustrated, Stub-class
Charleroi–Monessen Bridge (#88000812)	Washington County, Pennsylvania Westmoreland County, Pennsylvania	1	articled, illustrated, Start+
Donora–Webster Bridge (#88000813)	Washington County, Pennsylvania Westmoreland County, Pennsylvania	1	articled, illustrated, Start+
Delaware Boundary Markers (#75002101)	southern Chester County, Pennsylvania Delaware County, Pennsylvania	1	articled, unillustrated, Stub-class
Delaware and Hudson Canal (#68000051)	Pike County, Pennsylvania Wayne County, Pennsylvania	1	articled, illustrated, Start+
Total		47	45	47	5	0	42	0	0

Rhode Island

Providence County, Rhode Island

Site	Lists	Number of Duplicates	Stats
Blackstone Canal (#71000030)	Pawtucket, Rhode Island Providence, Rhode Island Providence County, Rhode Island	2	articled, illustrated, Start+
Conant Thread-Coats & Clark Mill Complex District (#83003809)	Pawtucket, Rhode Island Providence County, Rhode Island	1	articled, illustrated, Stub-class
Norwood Avenue Historic District (#02000412)	Providence, Rhode Island Providence County, Rhode Island	1	articled, illustrated, Stub-class
Total		4	4	4	2	0	2	0	0

Rhode Island Statewide

Site	Lists	Number of Duplicates	Stats
Mount Hope Bridge (#76000038)	Bristol County, Rhode Island Newport County, Rhode Island	1	articled, illustrated, Start+
Arkwright Bridge (#78000061)	Kent County, Rhode Island Providence County, Rhode Island	1	articled, illustrated, Start+
Pawtuxet Village (#73000050)	Kent County, Rhode Island Providence County, Rhode Island	1	articled, illustrated, Start+
Total		3	3	3	0	0	3	0	0

South Carolina

Charleston County, South Carolina

Site	Lists	Number of Duplicates	Stats
Ashley River Historic District (#93001514)	Charleston, South Carolina Charleston County, South Carolina	1	articled, illustrated, Stub-class
South Carolina Highway 61 (#83003831)	Charleston, South Carolina Charleston County, South Carolina	1	articled, illustrated, Stub-class
Secessionville Historic District (#79002378)	Charleston, South Carolina Charleston County, South Carolina	1	articled, illustrated, Stub-class
Total		3	3	3	3	0	0	0	0

Greenville County, South Carolina

There are no duplications across sublists of Greenville County, South Carolina.

Richland County, South Carolina

There are no duplications across sublists of Richland County, South Carolina.

York County, South Carolina

There are no duplications across sublists of York County, South Carolina.

South Carolina Statewide

Site	Lists	Number of Duplicates	Stats
Pendleton Historic District (Pendleton, South Carolina) (#70000560)	Anderson County, South Carolina Oconee County, South Carolina Pickens County, South Carolina	2	articled, illustrated, Stub-class
Ashley River Historic District (#93001514)	Charleston, South Carolina Charleston County, South Carolina Dorchester County, South Carolina	1	articled, illustrated, Stub-class
South Carolina Highway 61 (#83003831)	Charleston, South Carolina Charleston County, South Carolina Dorchester County, South Carolina	1	articled, illustrated, Stub-class
Kings Mountain National Military Park (#66000079)	Cherokee County, South Carolina York County, South Carolina	1	articled, illustrated, Start+
Gervais Street Bridge (#80003676)	Lexington County, South Carolina Columbia, South Carolina	1	articled, illustrated, Start+
Total		6	6	6	4	0	2	0	0

South Dakota

Site	Lists	Number of Duplicates	Stats
Brown's Post (#88000583)	Brown County, South Dakota Roberts County, South Dakota	1	unarticled, unillustrated
Medicine Creek Archeological District (#86002740)	Hughes County, South Dakota Lyman County, South Dakota	1	articled, partially-illustrated, Stub-class
Minuteman Missile National Historic Site (#01000275)	Jackson County, South Dakota Pennington County, South Dakota	1	articled, illustrated, Start+
Total		3	1	2	1	0	1	0	0

Tennessee

Site	Lists	Number of Duplicates	Stats
Norris Dam (#16000165)	Anderson County, Tennessee Campbell County, Tennessee	1	articled, illustrated, Start+
Palmetto Farm (#85000675)	Bedford County, Tennessee Marshall County, Tennessee	1	articled, illustrated, Stub-class
Calderwood Dam (#89001069)	Blount County, Tennessee Monroe County, Tennessee	1	articled, illustrated, Start+
Conway Bridge (#09000948)	Cocke County, Tennessee Greene County, Tennessee	1	articled, illustrated, Stub-class
Natchez Trace (#75002125)	Davidson County, Tennessee Hickman County, Tennessee Lawrence County, Tennessee Lewis County, Tennessee Maury County, Tennessee Wayne County, Tennessee Williamson County, Tennessee	6	articled, partially-illustrated, Start+
Warner Parks (#84003528)	Davidson County, Tennessee Williamson County, Tennessee	1	articled, illustrated, Start+
Bolivar-Somerville Stage Road (#05000802)	Fayette County, Tennessee Hardeman County, Tennessee	1	articled, unillustrated, Stub-class
Petersburg Historic District (Petersburg, Tennessee) (#85002753)	Fayette County, Tennessee Lincoln County, Tennessee	1	articled, unillustrated, Stub-class
Battle of Hatchie's Bridge (#97001549)	Hardeman County, Tennessee McNairy County, Tennessee	1	articled, illustrated, Start+
Boatyard Historic District (#73001785)	Hawkins County, Tennessee Sullivan County, Tennessee	1	articled, illustrated, Stub-class
John Gordon House (#74000333)	Hickman County, Tennessee Maury County, Tennessee	1	articled, illustrated, Stub-class
Shelby Bend Archeological District (#89001760)	Hickman County, Tennessee Maury County, Tennessee	1	articled, unillustrated, Stub-class, NRIS-only
Blythe Ferry (#83003055)	Meigs County, Tennessee Rhea County, Tennessee	1	articled, illustrated, Start+
Hastings-Locke Ferry (#83003056)	Meigs County, Tennessee Rhea County, Tennessee	1	articled, illustrated, Stub-class
Watts Bar Dam (#100001474)	Meigs County, Tennessee Rhea County, Tennessee	1	articled, illustrated, Stub-class
Rugby, Tennessee (#72001249)	Morgan County, Tennessee Scott County, Tennessee	1	articled, illustrated, Start+
Boone Dam (#100001476)	Sullivan County, Tennessee Washington County, Tennessee	1	articled, illustrated, Start+
Great Falls Dam (Tennessee) (#90001004)	Warren County, Tennessee White County, Tennessee	1	articled, illustrated, Start+
Total		23	14	23	9	1	14	0	0

Texas

Harris County, Texas

There are no duplications across sublists of Harris County, Texas.

Texas Statewide

Site	Lists	Number of Duplicates	Stats
Bartlett Commercial Historic District (#80004076)	Bell County, Texas Williamson County, Texas	1	articled, illustrated, Stub-class, NRIS-only
State Highway 3-A Bridge at Cibolo Creek (#96001112)	Bexar County, Texas Guadalupe County, Texas	1	articled, illustrated, Start+, NRIS-only
Lyndon B. Johnson National Historical Park (#69000202)	Blanco County, Texas Gillespie County, Texas	1	articled, illustrated, Start+
Austin and Northwestern Railroad Historic District-Fairland to Llano (#97001161)	Burnet County, Texas Llano County, Texas	1	articled, illustrated, Stub-class
State Highway 29 Bridge at the Colorado River (#96001116)	Burnet County, Texas Llano County, Texas	1	articled, illustrated, Stub-class
Butterfield Overland Mail in Texas (#14000524)	Culberson County, Texas Hudspeth County, Texas	1	articled, illustrated, Start+
Cuero I Archeological District (#74002271)	DeWitt County, Texas Gonzales County, Texas	1	articled, illustrated, Stub-class
State Highway 34 Bridge at the Trinity River (#96001109)	Ellis County, Texas Kaufman County, Texas	1	articled, unillustrated, Stub-class
Enchanted Rock (#84001740)	Gillespie County, Texas Llano County, Texas	1	articled, illustrated, Start+
US 190 Bridge at the Neches River (#96001121)	Jasper County, Texas Tyler County, Texas	1	articled, illustrated, Stub-class
Rainbow Bridge (Texas) (#96001127)	Jefferson County, Texas Orange County, Texas	1	articled, illustrated, Start+
King Ranch (#66000820)	Kenedy County, Texas Kleberg County, Texas Nueces County, Texas Willacy County, Texas	3	articled, illustrated, Start+
Mansfield Cut Underwater Archeological District (#74002083)	Kenedy County, Texas Willacy County, Texas	1	articled, illustrated, Start+
US 190 Bridge at the Colorado River (#96001125)	Lampasas County, Texas San Saba County, Texas	1	articled, illustrated, Stub-class
Regency Bridge (#76002052)	Mills County, Texas San Saba County, Texas	1	articled, illustrated, Stub-class
Riverside Swinging Bridge (#79003020)	Trinity County, Texas Walker County, Texas	1	articled, illustrated, Stub-class
State Highway 19 Bridge at Trinity River (#04001290)	Trinity County, Texas Walker County, Texas	1	articled, illustrated, Stub-class
Total		19	18	19	10	2	9	0	0

Utah

Salt Lake County, Utah

There are no duplications across sublists of Salt Lake County, Utah.

Washington County, Utah

Site	Lists	Number of Duplicates	Stats
Crawford Irrigation Canal (#86003732)	Zion National Park Washington County, Utah	1	unarticled, illustrated
Total		1	1	0	0	0	0	0	0

Utah Statewide

Site	Lists	Number of Duplicates	Stats
Desolation Canyon (#68000057)	Carbon County, Utah Emery County, Utah Grand County, Utah Uintah County, Utah	3	articled, illustrated, Start+
Carter Road (Utah) (#00000354)	Daggett County, Utah Uintah County, Utah	1	articled, unillustrated, Stub-class
Hole in the Rock Trail (#82004792)	Garfield County, Utah Kane County, Utah San Juan County, Utah	2	articled, illustrated, Start+
Historical buildings and structures of Zion National Park (#86003711)	Kane County, Utah Zion National Park	1	articled, illustrated, Start+
Historical buildings and structures of Zion National Park (#86003712)	Kane County, Utah Zion National Park	1	articled, illustrated, Start+
Historical buildings and structures of Zion National Park (#86003710)	Kane County, Utah Zion National Park	1	articled, illustrated, Start+
Zion – Mount Carmel Highway (#86003709)	Kane County, Utah Zion National Park	1	articled, illustrated, Start+
Devil's Gate-Weber Hydroelectric Power Plant (#89000276)	Morgan County, Utah Weber County, Utah	1	articled, illustrated, Start+
Black Rock (Great Salt Lake) (#100006332)	Salt Lake County, Utah Tooele County, Utah	1	articled, illustrated, Stub-class
Total		12	11	12	2	0	10	0	0

Vermont

Site	Lists	Number of Duplicates	Stats
Mad River Glen (#12000409)	Chittenden County, Vermont Washington County, Vermont	1	articled, illustrated, Start+
Parker Hill Rural Historic District (#93000431)	Windham County, Vermont Windsor County, Vermont	1	articled, illustrated, Start+
Total		2	2	2	0	0	2	0	0

Virginia

Site	Lists	Number of Duplicates	Stats
Greenwood–Afton Rural Historic District (#11000258)	Albemarle County, Virginia Augusta County, Virginia Nelson County, Virginia	2	articled, illustrated, Stub-class
Rugby Road–University Corner Historic District (#84003523)	Albemarle County, Virginia Charlottesville, Virginia	1	articled, illustrated, Stub-class
Scottsville Historic District (#76002093)	Albemarle County, Virginia Fluvanna County, Virginia	1	articled, illustrated, Start+
Skyline Drive (#97000375)	Albemarle County, Virginia Augusta County, Virginia Greene County, Virginia Madison County, Virginia Page County, Virginia Rappahannock County, Virginia Warren County, Virginia	6	articled, illustrated, Start+
Woolen Mills Village Historic District (#10000196)	Albemarle County, Virginia Charlottesville, Virginia	1	articled, illustrated, Stub-class
Douthat State Park (#86002183)	Alleghany County, Virginia Bath County, Virginia	1	articled, illustrated, Start+
Sayler's Creek Battlefield (#85002436)	Amelia County, Virginia Prince Edward County, Virginia	1	articled, illustrated, Start+
Norfolk Southern Six Mile Bridge No. 58 (#95001175)	Amherst County, Virginia Campbell County, Virginia	1	articled, illustrated, Stub-class
Benjamin Banneker: SW-9 Intermediate Boundary Stone (#76002094)	Arlington County, Virginia Falls Church, Virginia	1	articled, illustrated, Start+
Virginia State Route 193 (#12000537)	Arlington County, Virginia Fairfax County, Virginia	1	articled, illustrated, Start+
Boundary markers of the original District of Columbia (#91000003)	Arlington County, Virginia Fairfax County, Virginia	1	articled, illustrated, Start+
Boundary markers of the original District of Columbia (#91000004)	Arlington County, Virginia Fairfax County, Virginia	1	articled, illustrated, Start+
Boundary markers of the original District of Columbia (#91000005)	Arlington County, Virginia Fairfax County, Virginia	1	articled, illustrated, Start+
Boundary markers of the original District of Columbia (#91000009)	Arlington County, Virginia Alexandria, Virginia	1	articled, illustrated, Start+
Boundary markers of the original District of Columbia (#91000010)	Arlington County, Virginia Alexandria, Virginia	1	articled, illustrated, Start+
Boundary markers of the original District of Columbia (#91000011)	Arlington County, Virginia Fairfax County, Virginia	1	articled, illustrated, Start+
Boundary markers of the original District of Columbia (#91000012)	Arlington County, Virginia Fairfax County, Virginia	1	articled, illustrated, Start+
Boundary markers of the original District of Columbia (#91000013)	Arlington County, Virginia Fairfax County, Virginia	1	articled, illustrated, Start+
Boundary markers of the original District of Columbia (#91000014)	Arlington County, Virginia Fairfax County, Virginia Falls Church, Virginia	2	articled, illustrated, Start+
Blue Ridge Tunnel (#100008324)	Augusta County, Virginia Nelson County, Virginia	1	articled, illustrated, Start+
Swannanoa (mansion) (#69000221)	Augusta County, Virginia Nelson County, Virginia	1	articled, illustrated, Start+
Seven Islands Archeological and Historic District (#91000832)	Buckingham County, Virginia Fluvanna County, Virginia	1	articled, illustrated, Stub-class
Buffalo Mountain Presbyterian Church and Cemetery (#07000229)	Carroll County, Virginia Floyd County, Virginia	1	articled, illustrated, Stub-class
Clarkton Bridge (#06000747)	Charlotte County, Virginia Halifax County, Virginia	1	articled, illustrated, Stub-class
Bear's Den Rural Historic District (#08001112)	Clarke County, Virginia Loudoun County, Virginia	1	articled, illustrated, Stub-class
Cleridge (#11000653)	Clarke County, Virginia Frederick County, Virginia	1	articled, illustrated, Stub-class
Rapidan Historic District (#87000723)	Culpeper County, Virginia Orange County, Virginia	1	articled, illustrated, Stub-class
Cartersville Bridge (#72001390)	Cumberland County, Virginia Goochland County, Virginia	1	articled, illustrated, Stub-class
High Bridge (Appomattox River) (#08000875)	Cumberland County, Virginia Prince Edward County, Virginia	1	articled, illustrated, Start+
Millers Tavern Rural Historic District (#100001040)	Essex County, Virginia King and Queen County, Virginia	1	articled, illustrated, Stub-class
Manassas National Battlefield Park (#66000039)	Fairfax County, Virginia Prince William County, Virginia	1	articled, illustrated, Start+
Orange and Alexandria Railroad Bridge Piers (#89001061)	Fairfax County, Virginia Prince William County, Virginia	1	articled, illustrated, Stub-class
Beverley Mill (#72001411)	Fauquier County, Virginia Prince William County, Virginia	1	articled, illustrated, Stub-class
Broad Run–Little Georgetown Rural Historic District (#16000205)	Fauquier County, Virginia Prince William County, Virginia	1	articled, illustrated, Stub-class
Gen. William Mitchell House (#76002112)	Fauquier County, Virginia Loudoun County, Virginia	1	articled, illustrated, Start+
Thoroughfare Gap Battlefield (#99001374)	Fauquier County, Virginia Prince William County, Virginia	1	articled, illustrated, Stub-class
Cedar Creek and Belle Grove National Historical Park (#69000243)	Frederick County, Virginia Shenandoah County, Virginia Warren County, Virginia	2	articled, illustrated, Start+
James River and Kanawha Canal (#71000982)	Henrico County, Virginia Richmond, Virginia	1	articled, illustrated, Start+
Colonial National Historical Park (#66000839)	James City County, Virginia York County, Virginia Williamsburg, Virginia	2	articled, illustrated, Start+
Haines Chapel (#13001174)	Nelson County, Virginia Rockbridge County, Virginia	1	articled, illustrated, Stub-class
Milford Battlefield (#04000854)	Page County, Virginia Warren County, Virginia	1	articled, illustrated, Start+
Page County Bridge No. 1990 (#08000423)	Page County, Virginia Warren County, Virginia	1	articled, illustrated, Stub-class
Marine Corps Base Quantico (#01000260)	Prince William County, Virginia Stafford County, Virginia	1	articled, illustrated, Start+
Saltville Battlefields Historic District (#10000096)	Smyth County, Virginia Washington County, Virginia	1	articled, illustrated, Stub-class
Fortsville (#70000828)	Southampton County, Virginia Sussex County, Virginia	1	articled, illustrated, Stub-class
Fredericksburg and Spotsylvania National Military Park (#66000046)	Spotsylvania County, Virginia Fredericksburg, Virginia	1	articled, illustrated, Start+
George Washington Memorial Parkway (#81000079)	Arlington County, Virginia Fairfax County, Virginia Alexandria, Virginia	2	articled, illustrated, Start+
George Washington Memorial Parkway (#95000605)	Arlington County, Virginia Fairfax County, Virginia	1	articled, illustrated, Start+
Total		58	58	58	21	0	37	0	0

Washington

King County, Washington

There are no duplications across sublists of King County, Washington.

Pierce County, Washington

There are no duplications across sublists of Pierce County, Washington.

Spokane County, Washington

There are no duplications across sublists of Spokane County, Washington.

Washington Statewide

Site	Lists	Number of Duplicates	Stats
Tri-Cities Archaeological District (#84000468)	Benton County, Washington Franklin County, Washington	1	articled, illustrated, Stub-class, NRIS-only
Senator George Sellar Bridge (#95000623)	Chelan County, Washington Douglas County, Washington	1	articled, illustrated, Stub-class
Rock Island Railroad Bridge (Columbia River) (#75001842)	Chelan County, Washington Douglas County, Washington	1	articled, illustrated, Stub-class
Stevens Pass Historic District (#76001884)	Chelan County, Washington King County, Washington	1	articled, illustrated, Start+
Yale Bridge (#82004206)	Clark County, Washington Cowlitz County, Washington	1	articled, illustrated, Start+
Mount St. Helens (#13000748)	Cowlitz County, Washington Skamania County, Washington	1	articled, illustrated, Start+
Columbia River Bridge (Bridgeport, Washington) (#95000632)	Douglas County, Washington Okanogan County, Washington	1	articled, illustrated, Stub-class
Barstow Bridge (#95000263)	Ferry County, Washington Stevens County, Washington	1	articled, unillustrated, Stub-class
Kettle Falls Bridges (#95000260)	Ferry County, Washington Stevens County, Washington	1	articled, illustrated, Start+
Kettle Falls (#74000352)	Ferry County, Washington Stevens County, Washington	1	articled, partially-illustrated, Start+
Orient Bridge (#82004297)	Ferry County, Washington Stevens County, Washington	1	articled, illustrated, Stub-class
Lower Snake River Archaeological District (#84000471)	Franklin County, Washington Walla Walla County, Washington	1	articled, partially-illustrated, Stub-class
Windust Caves Archaeological District (#84000479)	Franklin County, Washington Walla Walla County, Washington	1	articled, illustrated, Start+
Beverly Railroad Bridge (#82004214)	Grant County, Washington Kittitas County, Washington	1	articled, illustrated, Start+
Deception Pass (#82004285)	Island County, Washington Skagit County, Washington	1	articled, illustrated, Start+
Mount Rainier National Park (#97000344)	Lewis County, Washington Pierce County, Washington	1	articled, illustrated, Start+
Longmire Buildings (#87001338)	Lewis County, Washington Pierce County, Washington	1	articled, illustrated, Start+
Longmire, Washington (#91000173)	Lewis County, Washington Pierce County, Washington	1	articled, illustrated, Start+
Little Falls Hydroelectric Power Plant (#88002737)	Lincoln County, Washington Stevens County, Washington	1	articled, illustrated, Stub-class
Long Lake Dam (#88002738)	Lincoln County, Washington Stevens County, Washington	1	articled, illustrated, Start+
Spokane River Bridge at Long Lake Dam (#95000628)	Lincoln County, Washington Stevens County, Washington	1	articled, illustrated, Stub-class
Total		21	18	21	9	1	12	0	0

West Virginia

Site	Lists	Number of Duplicates	Stats
Fairfax Stone Historical Monument State Park (#70000653)	Grant County, West Virginia Preston County, West Virginia Tucker County, West Virginia	2	articled, partially-illustrated, Start+
Alderson Bridge (#91001730)	Greenbrier County, West Virginia Monroe County, West Virginia	1	articled, illustrated, Start+
Alderson Historic District (#93001231)	Greenbrier County, West Virginia Monroe County, West Virginia	1	articled, illustrated, Stub-class
Total		4	2	4	1	0	3	0	0

Wisconsin

Dane County, Wisconsin

There are no duplications across sublists of Dane County, Wisconsin.

Milwaukee County, Wisconsin

There are no duplications across sublists of Milwaukee County, Wisconsin.

Wisconsin Statewide

Site	Lists	Number of Duplicates	Stats
Apostle Islands Lighthouses (#77000145)	Ashland County, Wisconsin Bayfield County, Wisconsin	1	articled, illustrated, Stub-class
Merrimac Ferry (#74000330)	Columbia County, Wisconsin Sauk County, Wisconsin	1	articled, illustrated, Start+
North Washington Street Historic District (Watertown, Wisconsin) (#09000850)	Dodge County, Wisconsin Jefferson County, Wisconsin	1	articled, illustrated, Start+
Waupun Commercial Historic District (#100004468)	Dodge County, Wisconsin Fond du Lac County, Wisconsin	1	unarticled, illustrated
Total		4	4	3	1	0	2	0	0

Wyoming

Site	Lists	Number of Duplicates	Stats
Como Bluff (#73001925)	Albany County, Wyoming Carbon County, Wyoming	1	articled, illustrated, Start+
Tom Sun Ranch (#66000753)	Carbon County, Wyoming Natrona County, Wyoming	1	articled, illustrated, Start+
Dean Decker Site (#86000354)	Fremont County, Wyoming Sweetwater County, Wyoming	1	articled, partially-illustrated, Stub-class
Union Pass (#69000367)	Fremont County, Wyoming Sublette County, Wyoming	1	articled, illustrated, Start+
Cheyenne–Black Hills Stage Route and Rawhide Buttes and Running Water Stage Stations (#69000190)	Goshen County, Wyoming Niobrara County, Wyoming	1	articled, illustrated, Stub-class
Norris, Madison, and Fishing Bridge Museums (#87001445)	Park County, Wyoming Teton County, Wyoming	1	articled, illustrated, Start+
Total		6	5	6	2	0	4	0	0

Puerto Rico

Site	Lists	Number of Duplicates	Stats
Puente de Añasco (#11000018)	Añasco, Puerto Rico Mayagüez, Puerto Rico	1	articled, illustrated, Stub-class
Silva Bridge (#95000834)	Cabo Rojo, Puerto Rico Hormigueros, Puerto Rico	1	articled, illustrated, Stub-class
Puerto Rico Highway 15 (#100005741)	Guayama, Puerto Rico Cayey, Puerto Rico	1	articled, illustrated, Start+
Carretera Central (Puerto Rico) (#100003686)	Juana Díaz, Puerto Rico Aibonito, Puerto Rico Caguas, Puerto Rico Cayey, Puerto Rico Cidra, Puerto Rico Coamo, Puerto Rico	5	articled, partially-illustrated, Start+
Plata Bridge (#95000849)	Bayamón, Puerto Rico Naranjito, Puerto Rico	1	articled, illustrated, Start+
San Juan National Historic Site (#66000930)	Toa Baja, Puerto Rico San Juan, Puerto Rico	1	articled, illustrated, Start+
Arenas Bridge (#95000843)	Cayey, Puerto Rico Cidra, Puerto Rico	1	articled, illustrated, Start+
La Liendre Bridge (#95000844)	Cayey, Puerto Rico Cidra, Puerto Rico	1	articled, illustrated, Stub-class
Total		12	7	12	3	0	8	0	1

Guam

Site	Lists	Number of Duplicates	Stats
Talagi Pictograph Cave (#04001240)	Dededo, Guam Yigo, Guam	1	articled, illustrated, Stub-class
Total		1	1	1	1	0	0	0	0

Virgin Islands

There are no duplications across sublists of Virgin Islands.

Northern Mariana Islands

There are no duplications across sublists of Northern Mariana Islands.

American Samoa

There are no duplications across sublists of American Samoa.

Federated States of Micronesia

There are no duplications across sublists of Federated States of Micronesia.

Palau

There are no duplications across sublists of Palau.

Marshall Islands

There are no duplications across sublists of Marshall Islands.

U.S. Minor Outlying Islands

There are no duplications across sublists of U.S. Minor Outlying Islands.