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1
by Lytle, William S.
Harrisburg : Pennsylvania Geological Survey, 1976
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Pennsylvania Geological Survey, 1976
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Book
2
by O'Neill, Bernard J., 1920-
Harrisburg : Pennsylvania Geological Survey, 1974
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Pennsylvania Geological Survey, 1974
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Book
3
by Spelman, Allen R.
Harrissburg : [Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey], 1966
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrissburg : [Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey], 1966
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Book
4
by Harper, John A.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1992
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1992
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Government Document
Book
5
by Harper, John A.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1990
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1990
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Government Document
Book
6
by Cozart, Cheryl L.
Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1993
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1993
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Government Document
Book
7
by Oliver, William Albert, 1926-2005
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geological Survey, 1971
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geological Survey, 1971
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8
by Harper, John A.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1988
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1988
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9
by Harper, John A.
Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1989
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1989
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Book
10
by Wagner, Walter Richard, 1928-1974
Harrisburg : [Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey], 1966
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : [Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey], 1966
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Book
11
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey : may be purchased from State Book Store, 1976
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”//IF NOT LOGGED IN - FORCE LOGIN ?> //ELSE THEY ARE LOGGED IN PROCEED WITH THE OPEN URL CODE:?>
Book
12
by Smith, Robert Charles, 1945-
Harrisburg : Pennsylvania Geological Survey, 1977
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Pennsylvania Geological Survey, 1977
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Book
13
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
14
by Crowl, G. H.
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
15
by Miller, Benjamin L. (Benjamin LeRoy), 1874-1944
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1939
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1939
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Book
16
17
18
by Flint, Norman Keith, 1921-
[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey, 1965
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey, 1965
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Book
19
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
20
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