Author
Pennsylvania. Bureau of Topographic and Geologic Survey
13 results
United States. Bureau of Mines
8 results
Wood, Gordon H. (Gordon Harry), 1919-
8 results
Geological Survey (U.S.)
7 results
Dowd, James J.
4 results
Trexler, J. Peter, 1926-
4 results
Edmunds, William E.
3 results
Eggleston, Jane R.
3 results
Kehn, Thomas M.
3 results
Sisler, James D. (James Donaldson), 1894-
3 results
Skema, Viktoras W.
3 results
American Geophysical Union
2 results
Ash, S. H. (Simon Harry), 1889-
2 results
Ashley, Geo. H. (George Hall), 1866-1951
2 results
Bergin, M. J. (Marion Joseph), 1927-
2 results
Dodge, Clifford H.
2 results
Glover, Albert D.
2 results
International Geological Congress
2 results
Johnson, Walter R. (Walter Rogers), 1794-1852
2 results
Reese, John F.
2 results
Rupp, I. Daniel (Israel Daniel), 1803-1878
2 results
Wnuk, Christopher
2 results
Arndt, Harold H.
1 results
Ashmead, Dever Campbell, 1884-
1 results
Atlantic Margin Energy Symposium
1 results
Blomain, Karen, 1944-
1 results
Burd, James, 1765-1793
1 results
Butts, Charles, 1863-1946
1 results
Cederstrom, D. J. (Dagfin John), 1908-1997
1 results
Danilchik, Walter
1 results
Darton, Nelson Horatio, 1865-1948
1 results
Deurbrouck, A. W.
1 results
Fettke, Charles R. (Charles Reinhard), 1888-1959
1 results
Fraser, Thomas, 1893-
1 results
Gait, G. B. (George B.)
1 results
Ladwig, K. J. (Kenneth J.)
1 results
Lapham, Davis M.
1 results
Lehigh Coal and Navigation Company
1 results
Munn, M. J. (Malcolm John), 1874-1949
1 results
NetLibrary, Inc
1 results
Oleksyshyn, John
1 results
Patterson, E. D. (Elmer Davisson)
1 results
Pennsylvania
1 results
Pennsylvania. Department of Conservation and Natural Resources
1 results
Pennsylvania. Governor's Energy Council
1 results
Pennsylvania. Water and Power Resources Board
1 results
Petroleum Exploration Society of New York
1 results
Powell, Howard Benjamin, 1937-
1 results
Read, C. B.
1 results
Read, Charles B. (Charles Brian), 1907-
1 results
more…