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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41
42
by Frakes, Lawrence A.
Harrisburg [Topographic and Geologic Survey], 1967
“...General geology report ;...”Harrisburg [Topographic and Geologic Survey], 1967
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Thesis
Book
43
by Oleksyshyn, John
Harrisburg : Bureau of Topographic and Geologic Survey, 1982
“...General geology report ;...”Harrisburg : Bureau of Topographic and Geologic Survey, 1982
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Book
44
45
by Willard, Bradford, 1894-
Harrisburg, PA : Dept. of Internal Affairs, Topographic and Geologic Survey, 1938
“...General Geology report ;...”Harrisburg, PA : Dept. of Internal Affairs, Topographic and Geologic Survey, 1938
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Book
46
by Miller, John T., 1906-
Harrisburg : [Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey], 1971
2d ed.
“...General geology report ;...”Harrisburg : [Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey], 1971
2d ed.
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Book
47
[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1993
3rd print., slightly rev. 1993.
“...General geology report ;...”3rd print., slightly rev. 1993.
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Government Document
Map
48
by Geyer, Alan R., Smith, Robert Charles, 1945-, Barnes, John Henry, 1946-
Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Topographic and Geologic Survey : May be purchased from State Book Store, 1976
4th ed.
“...General geology report ;...”Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Topographic and Geologic Survey : May be purchased from State Book Store, 1976
4th ed.
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Book
49
by Wilshusen, John P.
[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey : May be purchased from State Book Store, 1983
“...General geology report ;...”[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey : May be purchased from State Book Store, 1983
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Book
50
51
by Stone, Ralph W. (Ralph Walter), 1876-1964
Harrisburg : Dept. of Internal Affairs, Topographic and Geologic Survey, 1932
“...General geology report ;...”Harrisburg : Dept. of Internal Affairs, Topographic and Geologic Survey, 1932
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Book
52
by Itter, Harry Augustus, 1899-
Harrisburg, PA : Dept. of Internal Affairs, Topographic and Geologic Survey, 1938
“...General geology report ;...”Harrisburg, PA : Dept. of Internal Affairs, Topographic and Geologic Survey, 1938
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Book
53
by Ashley, Geo. H. (George Hall), 1866-1951
Harrisburg : Dept. of internal affairs, Topographic and geologic survey, 1931
“...General Geology report ;...”Harrisburg : Dept. of internal affairs, Topographic and geologic survey, 1931
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Book
54
55
56
by Wilshusen, J. Peter
Harrisburg : Pennsylvania Geological Survey, 1983
“...General geology report ;...”Harrisburg : Pennsylvania Geological Survey, 1983
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Book
57
by Oleksyshyn, John
Harrisburg : Pennsylvania Geological Survey : May be purchased from State Book Store, 1982
“...General geology report ;...”Harrisburg : Pennsylvania Geological Survey : May be purchased from State Book Store, 1982
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Book
58
by Crowl, G. H.
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey : May be purchased from State Book Store, 1980
“...General geology report ;...”Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey : May be purchased from State Book Store, 1980
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Book
59
by Chow, Minchen Ming
[Harrisburg], 1951
“...General geology report ;...”[Harrisburg], 1951
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Book
60
by Hoskins, Donald M.
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey : Copies purchased from State Book Store, 1983
Third edition.
“...General geology report ;...”Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey : Copies purchased from State Book Store, 1983
Third edition.
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Book