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