Geological Survey (U.S.) 64
Geological Survey (U.S.), 63
Imlay, Ralph W. 1908-1989 27
Imlay, Ralph W. 1908-1989, 25
O'Sullivan, Robert Brett, 1923- 21
Pipiringos, G. N. 1918- 11
Dickey, D. D. 7
Wright, James C. 1923-1968 7
Condon, Steven M. 6
SpringerLink (Online service) 5
Fishman, Neil S., 4
Turner, Christine E., 4
Condon, Steven M., 3
Feltis, R. D. 1930- 3
Fox, J. E. 1943- 3
Higley, Debra K. 3
Love, J. D. 1913-2002 3
Santos, Elmer S. 3
Anderson, Thomas H. 1942- 2
Applin, Esther English Richards, 1895- 2
Applin, Paul L. 2
Aubrey, William M. 2
Brownfield, Isabelle K., 2
Cadigan, Robert Allen, 1918- 2
Campbell, John A. 1930- 2
Chure, Dan 2
Detterman, Robert L. 2
Dubiel, Russell F. 2
Elder, William P. 2
Ford, Arthur B. 1932- 2
Froelich, A. J. 1929- 2
Gelfenbaum, Guy, 2
Hansley, Paula L., 2
Hunter, Ralph Eugene, 2
Johnson, Edward A. 1940- 2
Jones, David Lawrence, 1930- 2
Kansas. Department of Health and Environment 2
Kirk, A. R. 2
Luttrell, Gwendolyn Lewise Werth, 1927- 2
Miller, John W. 1928- 2
Mirsky, Arthur 2
National Science Foundation (U.S.) 2
North Cuba Basin Assessment Team (Geological Survey) 2
Owen, Douglass E., 2
Peterson, Fred, 1933- 2
Reeside, John B., Jr., 1889-1958, 2
Rubin, David M., 2
Santos, Elmer S., 2
Saudi Arabia. Wizārat al-Batrūl wa-al-Tharwah al-Maʻdinīyah 2
United States National Museum 2
Wang, Xin, Dr 2
World Petroleum Resources Project 2
Alberta Society of Petroleum Geologists 1
American Association of Petroleum Geologists 1
Anna, Lawrence O. 1
Anna, Lawrence O., 1
Arkell, William Joscelyn, 1904-1958 1
Aubrey, William M., 1
Bain, Harry Foster, 1872-1948 1
Baker, Arthur A. 1897-1996 1
Baker, Arthur A. 1897-1996, 1
Barnes, Phineas 1
Barthel, K. Werner 1
Beardslee, Vern 1
Bell, Wallace G. 1
Berry, Frederick A. F. 1
Billings Geological Society. Field Conference 1
Billings Geological Society. Field Conference 1966 : Great Falls, Mont.) 1
Blair, Jerry E. 1
Blodgett, Robert B. 1
Brew, Douglas C. 1935- 1
Burke, D. B. 1
Burke, D. B., 1
Busby, Cathy, 1951- 1
Carpenter, Kenneth, 1949- 1
Case, James E., 1933- 1
Chen, Pei-ji 1
Chesher, Greer K. 1
China. Di zhi ju 1
Clarks, Frank Wigglesworth, 1847-1931 1
Clift, P. D. 1
Conway Morris, S. 1
Cooper, G. Arthur 1902-2000 1
Cox, James E. 1949- 1
Cragin, Francis Whittemore, 1858-1937 1
Cragin, Francis Whittemore, 1858-1937, 1
Craig, Lawrence C. 1918- 1
Crickmay, C. H. 1899-1988 1
Crickmay, C. H. 1899-1988, 1
Crysdale, Bonnie L. 1
Dall, William Healey, 1845-1927 1
Dane, C. H. 1900-1968 1
Dane, C. H. 1900-1968, 1
Denver Museum of Natural History 1
Detterman, Robert L., 1
Dickinson, Kendell A., 1931- 1
Dickinson, William R., 1
Draut, Amy E. 1
Dypvik, Henning 1
Fenneman, Nevin Melancthon, 1865-1945 1