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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121
122
by Schweinfurth, Stanley P.
[Harrisburg] Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1971
“...General geology report ;...”[Harrisburg] Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1971
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Book
123
by Glaeser, J. Douglas
Harrisburg : [Department of Internal Affairs, Bureau of Topographic and Geologic Survey], 1966
“...General geology report ;...”Harrisburg : [Department of Internal Affairs, Bureau of Topographic and Geologic Survey], 1966
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Book
124
by Stone, Ralph W. (Ralph Walter), 1876-1964, Starr, Eileen M.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1967
Rev.
“...General geology report....”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1967
Rev.
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Government Document
Book
125
126
by Hoskins, Donald M.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1983
3rd ed.
“...General geology report....”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1983
3rd ed.
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Government Document
Book
127
by Glaeser, J. Douglas
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1966
“...General geology report....”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1966
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Government Document
Book
128
by Crowl, G. H.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1971
“...General geology report....”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1971
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Government Document
Book
129
by Spelman, Allen R.
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1966
“...General geology report....”Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1966
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Government Document
Book
130
by Epstein, Jack Burton, 1935-
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geological Survey, 1969
“...General geology report....”Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geological Survey, 1969
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Government Document
Book
131
132
by Berg, Thomas M.
Harrisburg : Bureau of Topographic and Geologic Survey, 1983
“...General geology report ;...”Harrisburg : Bureau of Topographic and Geologic Survey, 1983
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Book
133
by Willard, Bradford, 1894-
[Harrisburg] : Topographic and geological survey, 1958
“...General geology report ;...”[Harrisburg] : Topographic and geological survey, 1958
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Book
134
by Prouty, Chilton Eaton, 1914-
[Harrisburg] : Dept. of Internal Affairs, Topographic and Geologic Survey, 1959
“...General geology report ;...”[Harrisburg] : Dept. of Internal Affairs, Topographic and Geologic Survey, 1959
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Book
135
136
by Schooler, Elizabeth E.
[Harrisburg] : Commonwealth of Pennsylvania, Department of Environmental Resources, Bureau of Topographic and Geologic Survey, 1974
“...General geology report 64....”[Harrisburg] : Commonwealth of Pennsylvania, Department of Environmental Resources, Bureau of Topographic and Geologic Survey, 1974
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Book
137
138
139
by Schooler, Elizabeth E.
Harrisburg : Pennsylvania Geological Survey : may be purchased from State Book Store, 1974
“...General geology report ; 64...”Harrisburg : Pennsylvania Geological Survey : may be purchased from State Book Store, 1974
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Book
140
by Faill, Rodger T., Hoskins, Donald M., Wells, Richard B.
Harrisburg : Pennsylvania Geological Survey, 1978
“...General geology report ; 70...”Harrisburg : Pennsylvania Geological Survey, 1978
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Book