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Author/Creator
- Geological Survey (U.S.)8
- Richmond, Gerald Martin, 1914-4
- Christiansen, Ann Coe2
- Fullerton, David S.2
- Moore, David W. (David Warren)2
- University of Texas. Bureau of Economic Geology2
- Wermund, E. G.2
- Denne, Jane E.1
- Detterman, Robert L.1
- Gadd, N. R.1
- Geological Survey of Canada1
- Huber, N. King (Norman King), 1926-1
- Kansas Geological Survey1
- Missouri. Division of Geology and Land Survey1
- Oklahoma Geological Survey1
- Ontario Geological Survey1
- Riehle, J. R.1
- Sado, E. V.1
- Stine, Scott1
- University of California, Berkeley. Department of Geology and Geophysics1