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2
[Morgantown, W. Va.] : West Virginia Geological Survey, 1915

Book
3
Reston, Va. : The Survey, 1988

Book
4
Reston, Va. : The Survey, 1990

Book
6

Book
7
Reston, Va. : The Survey, 1988

Book
8
[Wheeling] : West Virginia Geological Survey, 1911

Book
9
Reston, Va. : U.S. Geological Survey, 1984
Rev. 1984.

Book
10
[Milwaukee, Wisconsin] : Regional Office, 1989
Limited revision Mar. 1989.

Book
11
Reston, Va. : U.S. Geological Survey, 1984
Rev. 1984.

Book
12
Vienna, Virginia : Potomac Appalachian Trail Club, 2018
Revised February 2018, edition 17 2018.

Musical Score Book
13
Washington, D.C. : Defense Mapping Agency Hydrographic/Topographic Center, 1970
Edition (no.)-DMA.

Book
14
Reston, Va. : The Survey, 1990

Book
16
Reston, Va. : Geological Survey, 1990

Manuscript Book
17
[Washington, D.C.] : U.S. Geological Survey, 1880

Manuscript Book
18
Vienna, Va. : Potomac Appalachian Trail Club, 2000
Rev. Nov. 2000, ed. 13.

Book
19
Reston, Va. : Geological Survey, 1988

Book
20
Vienna, Virginia : Potomac Appalachian Trail Club, Inc., 2012
Edition 4, 2012; revised April 2012.

Book