Author
Geological Survey (U.S.),
24
Geological Survey (U.S.)
14
Pavlides, Louis, 1921-
9
Drake, Avery Ala, 1927-
3
Carter, Mark W.,
2
Froelich, A. J. 1929-
2
Gohn, Gregory S.
2
Hazel, Joseph E., 1933-
2
Kepferle, Roy Clark, 1926-
2
Kosanke, Robert M.
2
Lee, K. Y. 1919-1989
2
Lee, K. Y. 1919-1989,
2
Markewich, Helaine W.,
2
Perrine, Charles D., 1867-1951
2
Potter, Paul Edwin,
2
Pryor, Wayne Arthur,
2
Reed, John Calvin, Jr., 1930-
2
Southwick, D. L. 1936-
2
United States. Department of Energy
2
Bayley, William Shirley, 1861-1943
1
Bybell, Laurel M.
1
Campbell, Marius R. 1858-1940
1
Campbell, Marius R. 1858-1940,
1
Clark, Sandra H. B.
1
Clark, Sandra H. B.,
1
Clarke, Frank Wigglesworth, 1847-1931
1
Cox, Leslie J.
1
Cox, Leslie J.,
1
De Witt, Wallace, Jr., 1920-2012
1
Delaware Geological Survey
1
Delaware. Department of Natural Resources and Environmental Control
1
Dischinger, James B.
1
Dischinger, James B.,
1
Ferm, John C., 1925-
1
Fontaine, William Morris, 1835-1913
1
Fontaine, William Morris, 1835-1913,
1
Force, Eric R.
1
Force, Eric R.,
1
Gannett, Henry, 1846-1914
1
Gibson, Thomas G.
1
Gray, Karen
1
Hampton Roads Planning District Commission (Va.)
1
Harsh, John F.
1
Horton, J. Wright
1
Kemp, James Furman, 1859-1926
1
Langley Research Center
1
Lyttle, Peter T.
1
Lyttle, Peter T.,
1
Mansfield, Wendell C. 1874-1939,
1
Markewich, Helaine W.
1
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