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Institution
Collection
Format
Subject
2
Geology
2
Parks
1
Acid rain
1
Canals Conservation and restoration
1
Canals Recreational use History
1
Chesapeake and Ohio Canal (Md. and Washington, D.C.) Recreational use History
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1
Chesapeake and Ohio Canal National Historical Park Planning
1
Chesapeake and Ohio Canal National Historical Park Recreational use
1
Delaware Altitudes
1
Geological surveys
1
Groundwater
1
Historic parks
1
Hydrogeological surveys
1
Hydrology Research
1
Maine Altitudes
1
Maryland Altitudes
1
Mines and mineral resources
1
New Hampshire Altitudes
1
Oxon Cove Park (Md. and Washington, D.C.)
1
Paleontology
1
Parks Interpretive programs
1
People with disabilities Legal status, laws, etc
1
Research
1
Stream measurements Cost effectiveness
1
Stream-gaging stations
1
Vermont Altitudes
1
Virginia Altitudes
1
Washington (D.C.) Altitudes
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Author
5
Geological Survey (U.S.)
3
United States. National Park Service
1
Carpenter, David H.
1
Darton, Nelson Horatio, 1865-1948
1
Eister, Margaret F.
1
Elmes, Diana
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1
Fenneman, Nevin Melancthon, 1865-1945
1
Fleck, William B.
1
Fuller, H. Kit
1
Gillen, D. F.
1
Girty, George Herbert, 1869-1939
1
Herrmann, Thomas E.
1
James, R. W.
1
Mackintosh, Barry
1
Marshall, R. B. 1867-1949
1
McGrew, Dallas D. L.
1
McIntosh, Willard L.
1
Olsen, Lisa D.
1
Smith, Philip S. 1877-1949
1
Sparks, Delores M.
1
United States. National Park Service. History Division
1
United States. President's Committee on Employment of the Handicapped
1
Vint, Thos. C.
1
Vroblesky, Don A.
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Language
Literary Form
Region
Maryland
Washington (D.C.)
5
Delaware
2
Virginia
1
Alaska
1
Arizona
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1
Arkansas
1
Chesapeake and Ohio Canal (Md. and Washington, D.C.)
1
Chesapeake and Ohio Canal National Historical Park
1
Illinois
1
Maine
1
Mississippi
1
Missouri
1
New Hampshire
1
New Mexico
1
Oxon Cove Park (Md. and Washington, D.C.)
1
Prince George's County
1
Seward Peninsula
1
United States
1
Utah
1
Vermont
1
Wyoming
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Call Number
Year of Publication