Suggested Topics within your search.
Suggested Topics within your search.
Geology
128
Geology, Stratigraphic
93
Géologie
38
Stratigraphie
23
Petrology
19
Glacial epoch
17
Caves
13
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101
by Goodwin, Bruce K.
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geological Survey, 1964
“...General geology report....”Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geological Survey, 1964
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Government Document
Book
102
by Woodrow, Donald L.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1968
“...General geology report....”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1968
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Government Document
Book
103
by Woodrow, Donald L.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1968
“...General geology report....”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1968
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Government Document
Book
104
by Lees, John A.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1967
“...General geology report....”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1967
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Government Document
Book
105
by Hoskins, Donald M., Inners, Jon D., Harper, John A.
Harrisburg, [Pennsylvania] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1988
Third edition, second printing.
“...General geology report....”Harrisburg, [Pennsylvania] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1988
Third edition, second printing.
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Government Document
Book
106
by Schweinfurth, Stanley P.
Harrisburg : Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey, 1971
“...General geology report ;...”Harrisburg : Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey, 1971
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Government Document
Map
107
by Thompson, Richard Rogers
Harrisburg, [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey] 1963
“...General geology report ;...”Harrisburg, [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey] 1963
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Book
108
by Wagner, Walter Richard, 1928-1974
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1966
“...General geology report ;...”Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1966
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Book
109
by Woodrow, Donald L.
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1968
“...General geology report ;...”Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1968
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Book
110
by Rones, Morris, 1922-1965
Harrisburg [Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey] 1969
“...General geology report ;...”Harrisburg [Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey] 1969
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Book
111
by Stone, Ralph W. (Ralph Walter), 1876-1964
Harrisburg [Pa. Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1967
Rev.
“...General geology report ;...”Harrisburg [Pa. Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1967
Rev.
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Book
112
by Glaeser, J. Douglas
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1966
“...General geology report ;...”Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1966
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Book
113
by Chafetz, Henry
Harrisburg [Pa. Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey] 1969
“...General geology report ;...”Harrisburg [Pa. Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey] 1969
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Book
114
by Ellison, Robert L., 1931-
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1965
“...General geology report ;...”Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1965
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Book
115
by Spelman, Allen R.
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1966
“...General geology report ;...”Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1966
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Book
116
by Kent, Bion H. (Bion Huntley), 1925-
Harrisburg [Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey] 1969
“...General geology report ;...”Harrisburg [Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey] 1969
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Book
117
by MacLachlan, David B.
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1967
“...General geology report ;...”Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1967
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Book
118
by Hobson, John P. (John Peter), 1928-
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey] 1963
“...General geology report ;...”Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey] 1963
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Book
119
by Goodwin, Bruce K.
[Harrisburg] : Commonwealth of Pennsylvania, Department of Internal Affairs, Bureau of Topographic and Geologic Survey, 1964
“...General geology report ;...”[Harrisburg] : Commonwealth of Pennsylvania, Department of Internal Affairs, Bureau of Topographic and Geologic Survey, 1964
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Book
120
by Epstein, Jack Burton, 1935-
Harrisburg, [Pennsylvania]. : Pennsylvania, Bureau of Topographic and Geological Survey, 1973
“...General geology report....”Harrisburg, [Pennsylvania]. : Pennsylvania, Bureau of Topographic and Geological Survey, 1973
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Government Document
Book