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Institution
Format
Subject
Geology
4
Anthracite coal
1
Allegheny County (Pa.)
1
Coal
1
Coal Geology
1
Geomagnetism
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1
Midway Quadrangle (Pa.)
1
Mines and mineral resources
1
Pennsylvania Geology
1
Pottsville Quadrangle (Pa.)
1
Radioactivity
1
Sandstone
1
Schuylkill County (Pa.)
1
Washington County (Pa.)
1
Washington West quadrangle (Pa.)
1
Waynesburg Quadrangle (Pa.)
1
Waynesburg Region (Pa.)
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Author
46
Geological Survey (U.S.)
23
Wood, Gordon H. 1919-
10
Drake, Avery Ala, 1927-
9
Pennsylvania. Bureau of Topographic and Geologic Survey
7
Epstein, Jack Burton, 1935-
6
Arndt, Harold H.
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6
Kent, Bion H. 1925-
6
Trexler, J. Peter, 1926-
5
Schweinfurth, Stanley P.
4
Roen, John B.
3
Berryhill, Henry L., Jr. 1921-2013
3
Lash, Gary George
3
Minard, James P.
3
Owens, James Patrick, 1924-
2
Aaron, John M., 1936-
2
Briggs, Reginald P., 1929-2009
2
Danilchik, Walter
2
Gray, Carlyle
2
Kehn, Thomas M.
2
Kohl, William R.
2
Lyttle, Peter T.
2
Williams and Heintz Map Corporation
1
Alvord, Donald C. 1922-
1
Appalachian Regional Commission
1
Arndt, Harold A.
1
Berg, Thomas M.
1
Berryhill, Harry L.
1
Bromery, Randolph W. 1926-2013
1
Cate, Addison S.
1
Davis, Robert E.
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Language
Genre
Region
Pennsylvania
21
Schuylkill County
9
New Jersey
8
Northumberland County
8
Washington County
6
Berks County
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6
Lehigh County
6
Northampton County
5
Greene County
4
Bucks County
4
Monroe County
3
Carbon County
3
Columbia County
3
Dauphin County
3
Lebanon County
3
Warren County
2
Allegheny County
2
Clinton County
1
Allegheny County (Pa.)
1
Bedford County
1
Burlington County
1
Centre County
1
Clearfield County
1
Hunterdon County
1
Lycoming County
1
Mercer County
1
Midway Quadrangle (Pa.)
1
New York (State)
1
Pike County
1
Pottsville Quadrangle
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Year of Publication