Author
Geological Survey (U.S.)
19 results
Kentucky Geological Survey
13 results
Becker, Leroy E.
4 results
Droste, John Brown, 1927-
4 results
Indiana. Geological Survey
4 results
Wayne, William J. (William John), 1922-
4 results
Gray, Henry Hamilton, 1922-
3 results
Hutchison, Harold Christy, 1925-
3 results
Keller, Stanley J.
3 results
Obermeier, Stephen F.
3 results
Owen, David Dale, 1807-1860
3 results
Thornbury, William D. (William David), 1900-
3 results
Bieberman, D. F. (Doris Franz), 1923-
2 results
Crittenden, Max D., Jr
2 results
Dawson, T. A. (Thomas Albert), 1916-
2 results
Friedman, Samuel A. (Samuel Arthur), 1927-
2 results
Hill, John R.
2 results
Illinois State Geological Survey
2 results
Indiana. Department of Conservation
2 results
Indiana. Division of Geology
2 results
Johnson, William D., Jr
2 results
Kepferle, Roy Clark, 1926-
2 results
Nuccio, Vito F.
2 results
Pinsak, Arthur P.
2 results
Rexroad, Carl Buckner, 1925-
2 results
Ridgley, Jennie L.
2 results
Shaver, Robert Harold, 1922-
2 results
Smith, Ned M. (Ned Myron)
2 results
Swadley, W. C.
2 results
Winslow, John Durfee, 1923-2004
2 results
American Association of Petroleum Geologists
1 results
Amos, Dewey Harold, 1925-
1 results
Anderegg, Frederick Osband, 1887-
1 results
Bennison, A. P.
1 results
Bergendahl, M. H. (Maximilian Hilmar), 1921-
1 results
Bragg, Linda Jean
1 results
Camp, Mark J., 1947-
1 results
Clark, Lorin D.
1 results
Cressey, George Babcock, 1896-1963
1 results
Crompton, E. James
1 results
Deane, Harold L.
1 results
Doheny, Edward J.
1 results
Dutcher, Russell R.
1 results
Eister, Margaret F.
1 results
Erd, Richard C.
1 results
Esarey, Ralph Emerson, 1901-
1 results
Eveland, Harmon Edwin, 1924-
1 results
French, Robert R.
1 results
Fugate, George W.
1 results
Fuller, H. Kit
1 results
more…