Suggested Topics within your search.
Suggested Topics within your search.
1
by Newport, Thomas Gwyn, 1922-
Harrisburg : [Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey], 1973
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : [Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey], 1973
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Book
2
by Newport, Thomas Gwyn, 1922-
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1973
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1973
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Book
3
by Newport, Thomas Gwyn, 1922-
Harrisburg : [Topographic and Geologic Survey; may be purchased from Bureau of Publications], 1971
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : [Topographic and Geologic Survey; may be purchased from Bureau of Publications], 1971
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Book
4
by Hollowell, Jerrald R.
Harrisburg : [Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey], 1971
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : [Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey], 1971
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Book
5
by Poth, Charles W.
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1973
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1973
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Book
6
by Poth, Charles W.
Harrisburg : [Bureau of Topographic and Geologic Survey], 1972
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : [Bureau of Topographic and Geologic Survey], 1972
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Book
7
by Gallaher, John T., 1921-
Harrisburg : Pennsylvania Geological Survey, 1973
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Pennsylvania Geological Survey, 1973
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Book
8
by Lloyd, Orville B., Growitz, Douglas J.
Harrisburg : Commonwealth of Pennsylvania, Department of Environmental Resources, Bureau of Topographic and Geologic Survey, 1977
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Commonwealth of Pennsylvania, Department of Environmental Resources, Bureau of Topographic and Geologic Survey, 1977
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Book
9
10
by Newport, Thomas Gwyn, 1922-
Harrisburg : Pennsylvania Geological Survey, 1973
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Pennsylvania Geological Survey, 1973
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Book
11
by Poth, Charles W.
Harrisburg : Pennsylvania Geological Survey, 1973
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Pennsylvania Geological Survey, 1973
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Book
12
by Poth, Charles W.
Harrisburg : [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey], 1968
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey], 1968
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Book
13
14
by Johnston, Herbert E.
[Harrisburg] : [Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey], 1970
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : [Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey], 1970
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