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1
by Cathcart, S. H. (Stanley Holman), 1889-
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geological Survey, 1938
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geological Survey, 1938
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Book
2
by Ingham, A. I. (Albert Irwin), 1914-2002
[Harrisburg] : Dept. of Internal Affairs, Topographic and Geologic Survey, 1956
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : Dept. of Internal Affairs, Topographic and Geologic Survey, 1956
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Book
3
by Kelley, Dana R.
Harrisburg, [publisher not identified], 1967
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, [publisher not identified], 1967
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Book
4
by Sisler, James D. (James Donaldson), 1894-
[Harrisburg] : Bureau of Topographic and Geological Survey, 1922
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : Bureau of Topographic and Geological Survey, 1922
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Audio
5
by Corbin, J. Ross
[Harrisburg, Pa.] : Bureau of Topographic and Geological Survey, 1922
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg, Pa.] : Bureau of Topographic and Geological Survey, 1922
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Book
6
7
by Piotrowski, Robert G.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1979
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1979
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8
by Heyman, Louis, Cozart, Cheryl L.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1978
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geological Survey, 1978
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9
by Lytle, William S.
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1965
“...Progress report (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1965
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10
by Lytle, William S., Heyman, Louis, Kelley, Dana R.
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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