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Institution
Collection
Format
Subject
34
Geology
18
Pennsylvania
9
Mines and mineral resources
8
Geology, Stratigraphic
5
Water quality
3
Coal Geology
more ...
3
Groundwater
3
Hydrology
3
Landslides
3
New Jersey
3
Water Pollution
3
Water resources development
3
Water-supply
2
Anthracite coal
2
Magnetite
2
Mass-wasting
2
Natural gas
2
New York (State)
2
Petrology
2
Physical geography
2
Stream measurements
2
Water use
1
Ammonoidea
1
Carbonate rocks
1
Carbonates
1
Clay
1
Coal
1
Coal mines and mining Environmental aspects
1
Delaware Water Gap (N.J. and Pa.)
1
Earth movements
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Author
24
Geological Survey (U.S.)
6
Pennsylvania. Bureau of Topographic and Geologic Survey
6
Pomeroy, John S., 1929-
3
Epstein, Jack Burton, 1935-
3
Field Conference of Pennsylvania Geologists
3
Jonas, Anna I. 1881-1974
more ...
3
Pennsylvania. Department of Environmental Resources
2
Chester County Water Resources Authority
2
Denny, Charles Storrow, 1911-
2
Drake, Avery Ala, 1927-
2
Epstein, Anita G., 1937-
2
Graham, Jack Bennett, 1913-
2
Hosterman, John W. 1923-
2
Knopf, Eleanora Frances Bliss, 1883-
2
Loper, Connie A.
2
Richardson, G. B. 1872-1949
2
Sevon, William D.
2
Sloto, Ronald A.
2
Stose, George Willis, 1869-1960
2
Wetzel, Kim L.
2
Wood, Gordon H. 1919-
1
Appalachian Regional Commission
1
Bailey, James F.
1
Baker, Roger C. 1910-
1
Balsley, J. R.
1
Barker, James L., 1936-
1
Barlow, James A., 1923-2015
1
Barlow, Roger
1
Barnes, Ivan, 1931-1989
1
Bascom, F. 1862-1945
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Language
Literary Form
Era
Region
Pennsylvania
5
New Jersey
4
West Virginia
3
Carbon County
3
Schuylkill County
2
Allegheny County
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2
Beaver County
2
Bucks County
2
Chester County
2
Erie County
2
Fayette County
2
Maryland
2
New York (State)
2
Ohio
2
Potter County
2
Washington County
2
York County
1
Adams County
1
Allegheny River Valley (Pa. and N.Y.)
1
Appalachian Region
1
Berks County
1
Boyertown Region
1
Brandywine Creek Watershed (Pa. and Del.)
1
California
1
Centre County
1
Clearfield County
1
Clinton County
1
Columbia County
1
Crawford County
1
Delaware
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Call Number
Year of Publication