Suggested Topics within your search.
Suggested Topics within your search.
1
by Dewolf, F. W. (Frank Walbridge), b. 1881
Harrisburg : Dept. of Internal Affairs, Topographic and Geologic Survey, 1929
Harrisburg : Dept. of Internal Affairs, Topographic and Geologic Survey, 1929
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2
by Moore, Ellen James
[Reston, Va.?] : Denver, CO : Dept. of the Interior, U.S. Geological Survey ; For sale by the Books and Open-File Reports Section, 1988
[Reston, Va.?] : Denver, CO : Dept. of the Interior, U.S. Geological Survey ; For sale by the Books and Open-File Reports Section, 1988
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3
by Epstein, Jack Burton, 1935-
Harrisburg : Pennsylvania Geological Survey, 1974
Harrisburg : Pennsylvania Geological Survey, 1974
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4
by Foley, Robert C.
[Reston, Va.?] : Denver, CO : Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports Section [distributor], 1987
[Reston, Va.?] : Denver, CO : Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports Section [distributor], 1987
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5
by Hall, George Martin, 1891-1941
Harrisburg : Pennsylvania Dept. of Internal Affairs, Topographic and Geologic Survey, 1934
Harrisburg : Pennsylvania Dept. of Internal Affairs, Topographic and Geologic Survey, 1934
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6
7
8
by Andrews, George William, 1929-
[Reston, Va.?] : Denver, CO : Dept. of the Interior, U.S. Geological Survey ; For sale by the Books and Open-File Reports Section, 1988
[Reston, Va.?] : Denver, CO : Dept. of the Interior, U.S. Geological Survey ; For sale by the Books and Open-File Reports Section, 1988
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9
by Kent, Bion H. (Bion Huntley), 1925-
Harrisburg, 1969
Harrisburg, 1969
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Book
10
11
by Elder, John F.
[Washington, D.C.?] : Dept. of the Interior, U.S. Geological Survey, 1988
[Washington, D.C.?] : Dept. of the Interior, U.S. Geological Survey, 1988
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12
by Detra, D. E.
[Reston, Va.?] : Denver, CO : Dept. of the Interior, U.S. Geological Survey ; Free on application to the Branch of Distribution, Books and Open-File Reports Section, 1988
[Reston, Va.?] : Denver, CO : Dept. of the Interior, U.S. Geological Survey ; Free on application to the Branch of Distribution, Books and Open-File Reports Section, 1988
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13
by Wagner, Walter Richard, 1928-1974
Harrisburg : Pennsylvania Geological Survey, 1976
Harrisburg : Pennsylvania Geological Survey, 1976
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14
15
16
by Moss, Marshall E.
[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey, 1989
[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey, 1989
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17
18
by Robinove, Charles Joseph, 1931-
[Reston, Va.] : Dept. of the Interior, U.S. Geological Survey, 1986
[Reston, Va.] : Dept. of the Interior, U.S. Geological Survey, 1986
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19
by Stose, George Willis, 1869-1960
Harrisburg : Department of Internal Affairs, Topographic and Geologic Survey, 1932
Harrisburg : Department of Internal Affairs, Topographic and Geologic Survey, 1932
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20
by Piper, Arthur M. (Arthur Maine), 1898-1989
Harrisburg : Dept. of Internal Affairs, Topographic and Geologic Survey, 1933
Harrisburg : Dept. of Internal Affairs, Topographic and Geologic Survey, 1933
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