Talk:United States National Register of Historic Places listings/Duplicates

Sites which are listed in more than one state in the National Register of Historic Places.

Site	States (alphabetical order)
	First	Second	Third
1872 California-Nevada State Boundary Marker	California	Nevada
Anderson Ferry	Kentucky	Ohio
Arlington Memorial Bridge	District of Columbia	Virginia
B & O Railroad Potomac River Crossing	Maryland	West Virginia
B & O Railroad Viaduct	Ohio	West Virginia
Bad Pass Trail	Montana	Wyoming
Bedell Covered Bridge	New Hampshire	Vermont
Beginning Point of the U.S. Public Land Survey	Ohio	Pennsylvania
Blood Run Site	Iowa	South Dakota
Bonneville Dam Historic District	Oregon	Washington
Bourne Mill	Massachusetts	Rhode Island
Bristol Commercial Historic District	Tennessee	Virginia
Bristol Virginia-Tennessee Slogan Sign	Tennessee	Virginia
Brownville Bridge	Missouri	Nebraska
Burr's Ferry Bridge	Louisiana	Texas
Chain of Rocks Bridge	Illinois	Missouri
Chesapeake and Ohio Canal National Historical Park	District of Columbia	Maryland	West Virginia
Chicago, Milwaukee, St. Paul and Pacific Railroad Company Historic District	Idaho	Montana
Chickamauga and Chattanooga National Military Park	Georgia	Tennessee
Civil War Fort Sites	District of Columbia	Maryland,	Virginia
Clingmans Dome Observation Tower	North Carolina	Tennessee
Columbia Covered Bridge	New Hampshire	Vermont
Cornish-Windsor Covered Bridge	New Hampshire	Vermont
Covington and Cincinnati Suspension Bridge	Kentucky	Ohio
Cumberland Gap Historic District	Kentucky	Tennessee	Virginia
Cumberland Gap National Historical Park	Kentucky	Tennessee	Virginia
Delaware Aqueduct	New York	Pennsylvania
Delaware and Hudson Canal	New York	Pennsylvania
Denver & Rio Grande Railroad San Juan Extension	Colorado	New Mexico
Deweyville Swing Bridge	Louisiana	Texas
Dismal Swamp Canal	North Carolina	Virginia
Dual State Monument	Arkansas	Louisiana
Eads Bridge	Illinois	Missouri
East Hill Cemetery	Tennessee	Virginia
Fort Madison Bridge	Illinois	Iowa
Fort Union Trading Post National Historic Site	Montana	North Dakota
Francis Scott Key Bridge	District of Columbia	Virginia
Freeman House	North Carolina	Virginia
GW Jeep Site	Virginia	West Virginia
General U.S. Grant Bridge	Kentucky	Ohio
George Washington Memorial Parkway	District of Columbia	Maryland	Virginia
Glenrio Historic District	New Mexico	Texas
Harmony Way Bridge	Illinois	Indiana
Harpers Ferry National Historical Park	Maryland	Virginia	West Virginia
Hells Canyon Archeological District	Idaho	Oregon
Holland Tunnel	New Jersey	New York
Hoover Dam	Arizona	Nevada
International Boundary Marker	Louisiana	Texas
Keokuk Lock and Dam	Illinois	Iowa
Langdale Historic District	Alabama	Georgia
Lemhi Pass	Idaho	Montana
Lewis Bridge	Nebraska	South Dakota
Lock and Dam No. 19 Historic District	Illinois	Iowa
Lock and Dam No. 20 Historic District	Illinois	Missouri
Lock and Dam No. 21 Historic District	Illinois	Missouri
Lolo Trail	Idaho	Montana
Longview Bridge	Oregon	Washington
Louisville Municipal Bridge, Pylons and Administration Building	Indiana	Kentucky
Lower Klamath National Wildlife Refuge	California	Oregon
Mason and Dixon Survey Terminal Point	Pennsylvania	West Virginia
Mason and Dixon West Line Milestone Markers 76 and 77	Maryland	Pennsylvania
David Mathews House	New York	Vermont
Merestone	Delaware	Pennsylvania
Meridian Bridge	Nebraska	South Dakota
Milanville-Skinners Falls Bridge	New York	Pennsylvania
Minisink Archeological Site	New Jersey	Pennsylvania
Mississippi River Bridge	Louisiana	Mississippi
Mount Orne Covered Bridge	New Hampshire	Vermont
Mount Vernon Memorial Highway	District of Columbia	Virginia
New Castle and Frenchtown Railroad Right-of-Way	Delaware	Maryland
Newport and Cincinnati Bridge	Kentucky	Ohio
Maysville-Aberdeen Bridge	Kentucky	Ohio
Nez Perce Snake River Archeological District	Idaho	Washington
Osgood Ditch	California	Oregon
Palisades Interstate Park	New Jersey	New York
Plattsmouth Bridge	Iowa	Nebraska
Pond Eddy Bridge	New York	Pennsylvania
Potomac Mills	Maryland	West Virginia
Raton Pass	Colorado	New Mexico
Red Lodge-Cooke City Approach Road Historic District	Montana	Wyoming
Riverview Historic District	Alabama	Georgia
Salt River Hydroelectric Powerplant	Idaho	Wyoming
Savanna-Sabula Bridge	Illinois	Iowa
Site No. RH00-062	Kansas	Nebraska
Site No. JF00-072	Kansas	Nebraska
Sixth Street Railroad Bridge	Ohio	West Virginia
Soo Line High Bridge	Minnesota	Wisconsin
South Omaha Bridge	Iowa	Nebraska
State Highway 78 Bridge at the Red River	Oklahoma	Texas
State Highway 79 Bridge at the Red River	Oklahoma	Texas
State Line Archeological District	Indiana	Ohio
Statue of Liberty National Monument, Ellis Island and Liberty Island	New Jersey	New York
Stillwater Bridge	Minnesota	Wisconsin
Suitland Parkway	District of Columbia	Maryland
Texarkana Union Station	Arkansas	Texas
Texarkana US Post Office and Courthouse	Arkansas	Texas
Trenton City/Calhoun Street Bridge	New Jersey	Pennsylvania
United States Highway 61 Arch	Arkansas	Missouri
Upper Ditch	California	Oregon
Upper Twin Falls Bridge	Michigan	Wisconsin
Vancouver-Portland Bridge	Oregon	Washington
Washington Aqueduct	District of Columbia	Maryland
Washington Crossing State Park	New Jersey	Pennsylvania
Western Maryland Railroad Right-of-Way, Milepost 126 to Milepost 160	Maryland	West Virginia
Wheeling Island Historic District	Ohio	West Virginia
Jesse Whitesell House	Kentucky	Tennessee
Willow Beach Gauging Station	Arizona	Nevada
Yuma Crossing and Associated Sites	Arizona	California

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