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21,198 results found


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Allegheny Portage Railroad National Historic Site, Pennsylvania
Author: United States. National Park Service - Townsend, L. Kenneth
Source: Library of Congress - Maps
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Publication Date: 1998
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Allegheny Portage Railroad National Historic Site, Pennsylvania
Author: United States. National Park Service - Townsend, L. Kenneth
Source: Library of Congress - Maps
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Publication Date: 2001
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Allegheny Portage Railroad National Historic Site, Pennsylvania
Author: United States. National Park Service - Townsend, L. Kenneth
Source: Library of Congress - Maps
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Publication Date: 2004
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Allegheny Portage Railroad National Historic Site, Pennsylvania
Author: United States. National Park Service - Townsend, L. Kenneth
Source: Library of Congress - Maps
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Publication Date: 2004
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Allegheny National Forest, Pennsylvania : 1988
Author: United States. Forest Service
Source: Library of Congress - Maps
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Publication Date: 1988
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Recreation areas, Allegheny National Forest.
Author: United States. Forest Service - United States. Army. Corps of Engineers. Pittsburgh District
Source: Library of Congress - Maps
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Publication Date: 1995
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Allegheny National Forest region.
Author: United States. Forest Service - United States. Army. Corps of Engineers. Pittsburgh District
Source: Library of Congress - Maps
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Publication Date: 2000
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Allegheny National Forest, Pennsylvania : 2014
Author: United States. Forest Service - United States. Forest Service. Eastern Region
Source: Library of Congress - Maps
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Publication Date: 2014
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A map of the Alleghany, Monongahela, and Yohiogany rivers
Author: Wightman, Thomas - Harris, Thaddeus Mason
Source: Library of Congress - Maps
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Publication Date: 1803
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Alvin R. Bush Dam
Author: United States. Army. Corps of Engineers. Baltimore District
Source: Library of Congress - Maps
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Publication Date: 2003
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Blue Marsh Lake
Author: United States. Army. Corps of Engineers. Philadelphia District
Source: Library of Congress - Maps
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Publication Date: 1990
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Blue Marsh Lake hiking trails
Author: United States. Army. Corps of Engineers. Philadelphia District
Source: Library of Congress - Maps
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Publication Date: 1991
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West Branch Brandywine Creek; Glenhall, Northbrook, Wawaset vicinity.
Author: United States. Army. Corps of Engineers
Source: Library of Congress - Maps
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Publication Date: 1970
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West Branch Brandywine Creek; Coatesville, S. Coatesville, Modena vicinity.
Author: United States. Army. Corps of Engineers
Source: Library of Congress - Maps
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Publication Date: 1970
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Conemaugh River Lake
Author: United States. Army. Corps of Engineers. Pittsburgh District
Source: Library of Congress - Maps
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Publication Date: 1992
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Conemaugh River Lake
Author: United States. Army. Corps of Engineers. Pittsburgh District
Source: Library of Congress - Maps
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Publication Date: 1996
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Cowanesque Lake
Author: United States. Army. Corps of Engineers. Baltimore District
Source: Library of Congress - Maps
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Publication Date: 1998
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Cowanesque Lake
Author: United States. Army. Corps of Engineers. Baltimore District
Source: Library of Congress - Maps
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Publication Date: 2001
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Crooked Creek Reservoir, Pennsylvania
Author: United States. Army. Corps of Engineers. Pittsburgh District
Source: Library of Congress - Maps
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Publication Date: 1959
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Crooked Creek Lake
Author: United States. Army. Corps of Engineers. Pittsburgh District
Source: Library of Congress - Maps
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Publication Date: 1992
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Crooked Creek Lake
Author: United States. Army. Corps of Engineers. Pittsburgh District
Source: Library of Congress - Maps
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Publication Date: 1996
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Delaware and Lehigh Navigation Canal National Heritage Corridor, Pennsylvania : Delaware and Lehigh Navigation Canal
Author: United States. National Park Service - Bucks County Tourist Commission - Delaware and Lehigh Navigation Canal National Heritage Corridor Commission
Source: Library of Congress - Maps
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Publication Date: 1990
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Delaware & Lehigh National & State Heritage Corridor : follow historic paths through valleys that fueled Americas's Industrial Revolution
Author: United States. National Park Service - Delaware & Lehigh National Heritage Corridor, Inc
Source: Library of Congress - Maps
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Publication Date: 2008
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Delaware & Lehigh National & State Heritage Corridor : follow historic paths through valleys that fueled Americas's Industrial Revolution
Author: United States. National Park Service - Delaware & Lehigh National Heritage Corridor, Inc
Source: Library of Congress - Maps
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Publication Date: 2013
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East Branch Clarion River Lake
Author: United States. Army. Corps of Engineers. Pittsburgh District
Source: Library of Congress - Maps
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Publication Date: 1991
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