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Author/Creator
- Geological Survey (U.S.)171
- Feltis, R. D. (Richard D.), 1930-18
- Fullerton, David S.11
- Richmond, Gerald Martin, 1914-11
- Ryder, Robert T.8
- Sims, P. K. (Paul Kibler), 1918-20117
- Finn, Thomas M.6
- Johnson, Edward A. (Edward Allison), 1940-6
- Missouri. Division of Geology and Land Survey6
- Christiansen, Ann Coe5
- Geological Survey of Pakistan5
- Hettinger, Robert D.5
- Swezey, C. (Christopher)5
- Arkansas Geological Commission4
- Denson, N. M. (Norman MacLaren), 1914-4
- Johnson, Ronald C. (Ronald Carl), 1950-4
- Kansas Geological Survey4
- O'Sullivan, Robert Brett, 1923-4
- Reheis, Marith C.4
- Crone, Anthony J.3