Suggested Topics within your search.
Suggested Topics within your search.
1
by Ingham, A. I. (Albert Irwin), 1914-2002
[Harrisburg, Pa.] : Topographic and Geologic Survey, 1956
[Harrisburg, Pa.] : Topographic and Geologic Survey, 1956
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Book
2
by Kelley, Dana R.
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1969
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1969
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Book
3
by Behre, Chas. H. (Charles H.)
Harrisburg, Pa. : Topographic and Geologic Survey, 1927
Harrisburg, Pa. : Topographic and Geologic Survey, 1927
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Book
4
by Poth, Charles W.
[Harrisburg, Pa.] : Topographic and Geologic Survey, 1962
[Harrisburg, Pa.] : Topographic and Geologic Survey, 1962
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Book
5
by Heyman, Louis
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1969
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1969
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Book
6
7
by Sherrill, R. E. (Richard Ellis), 1899-1952
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1941
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1941
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Government Document
Book
8
9
by Lytle, William S.
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1970
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1970
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Book
10
by McGlade, William G.
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1967
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1967
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Book
11
by McGlade, William G.
Harrisburg : [Topographic and Geologic Survey] , 1964
Harrisburg : [Topographic and Geologic Survey] , 1964
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Book
12
by Lytle, William S.
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1965
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1965
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Book
13
by Koppe, Edwin F.
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1967
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1967
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Book
14
by Dickey, Parke Atherton, 1909-
Harrisburg, Pa. : Pennsylvania Geological Survey, 1941
Harrisburg, Pa. : Pennsylvania Geological Survey, 1941
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Government Document
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15
by McCauley, John F.
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1961
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1961
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16
17
by Skema, Viktoras W.
Harrisburg, Pa. : Pennsylvania Geological Survey, 1982
Harrisburg, Pa. : Pennsylvania Geological Survey, 1982
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Book
18
by Dodge, Clifford H.
Harrisburg : Pennsylvania Geological Survey, 1985
Harrisburg : Pennsylvania Geological Survey, 1985
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Book
19
by Wyrick, Granville G.
[Reston, Va.?] : Alexandria, VA : U.S. Dept. of the Interior, Geological Survey ; For sale by the Distribution Branch, U.S. Geological Survey, 1981
[Reston, Va.?] : Alexandria, VA : U.S. Dept. of the Interior, Geological Survey ; For sale by the Distribution Branch, U.S. Geological Survey, 1981
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20
by Dodge, Clifford H.
Harrisburg : Pennsylvania Geological Survey, 1984
Harrisburg : Pennsylvania Geological Survey, 1984
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Government Document
Book