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1
by Davis, Drew K.
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1989

Book
2
by Prakken, Lawrence B., Lovelace, John K.
[Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, 2013

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Government Document Book
3
by Robson, Stanley G.
Reston, Va. : U.S. Geological Survey, 1995

This item is not available through EZBorrow. Please contact your institution’s interlibrary loan office for further assistance.
Government Document Book
4
by Taylor, Larry E. (Larry Eugene)
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1984

Government Document Book
5
by Royer, Denise W.
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1984

Book
6
by Gallaher, John T., 1921-
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1973

Book
7
by Adamson, John Howard
Harrisburg, Pa. [Commonwealth of Pennsylvania] Dept. of Internal Affairs [Bureau of] Topographic and Geological Survey, 1949

Book
8
by Carswell, Louis D.
Harrisburg, Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1963

Book
9
by Newport, Thomas Gwyn, 1922-
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1973

Book
10
by Taylor, Larry E. (Larry Eugene)
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1984

Book
11
by Lohman, S. W. (Stanley William), 1907-1992
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1937

Government Document Book
12
by Hall, George Martin, 1891-1941
Harrisburg, PA. : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1934

Book
13
by Wood, Perry Rowley, 1920-
Harrisburg : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey, 1964

Book
14
by Wood, Charles R.
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1978

Book
15
by Leggette, R. M. (Ralph Maxwell), 1899-
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1936

Book
16
by Longwill, Stanley M.
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1965

Book
17
by Becher, Albert E.
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, 1982

Book
18
by Van Tuyl, Donald W. (Donald Wells), 1917-1986
[Harrisburg] Dept. of Internal Affairs, Topographic and Geologic Survey, 1951

Book
19
by Poth, Charles W.
Harrisburg [Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey] 1972

Book
20
by Newport, Thomas Gwyn, 1922-
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, Pennsylvania Geological Survey, 1977

Book