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1
by Stose, George Willis, 1869-1960
Washington, U.S. Govt. Print Off., 1933
Washington, U.S. Govt. Print Off., 1933
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Book
2
3
4
by Ingham, A. I. (Albert Irwin), 1914-2002
[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey 1951
[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey 1951
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Book
5
by Wagner, Walter Richard, 1928-1974
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1966
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1966
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Book
6
by Faill, Rodger T.
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1977
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1977
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Book
7
by Shaffner, Marchant N. (Marchant Nissley), 1897-
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey] 1963
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey] 1963
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Book
8
by Patterson, E. D. (Elmer Davisson)
Washington, [D.C.] : U.S. G.P.O., 1963
Washington, [D.C.] : U.S. G.P.O., 1963
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Book
9
by Beck, M. E.
Harrisburg : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey, 1964
Harrisburg : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey, 1964
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Book
10
by Graeber, Charles Karsner, 1896-
Harrisburg, PA. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1942
Harrisburg, PA. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1942
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Book
11
by Thompson, Richard Rogers
Harrisburg, [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey] 1963
Harrisburg, [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey] 1963
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Book
12
by Inners, Jon D.
Harrisburg : Commonwealth of Pennsylvania, Department of Conservation and Natural Resources, Office of Conservation and Engineering Services, Bureau of Topographic and Geologic Survey, 1997
Harrisburg : Commonwealth of Pennsylvania, Department of Conservation and Natural Resources, Office of Conservation and Engineering Services, Bureau of Topographic and Geologic Survey, 1997
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Government Document
Book
13
by Lees, John A.
Harrisburg, [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1967
Harrisburg, [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1967
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Book
14
by Socolow, Arthur A.
[Harrisburg] Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1960
[Harrisburg] Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1960
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Book
15
by Yeloushan, Charles C.
Harrisburg [Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey] 1969
Harrisburg [Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey] 1969
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Book
16
17
by Harper, John A.
Harrisburg : Pennsylvania Bureau of Topographic and Geologic Survey, 1982
Harrisburg : Pennsylvania Bureau of Topographic and Geologic Survey, 1982
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Book
18
by Spelman, Allen R.
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1966
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1966
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Book
19
by Harper, John A.
Harrisburg : Pennsylvania Bureau of Topographic and Geologic Survey, 1983
Harrisburg : Pennsylvania Bureau of Topographic and Geologic Survey, 1983
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Book
20
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