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Author
- Geological Survey (U.S.)207
- Scott, David Holcomb, 1916-5
- Daniels, David L. (David Lee), 1937-2
- Price, Don, 1929-2
- Schroeder, Marvin L.2
- Seiders, Victor M.2
- Armstrong, Betsy R.1
- Beach, David K. (David Kent), 1951-1
- Dobrovolny, Ernest, 1912-1
- Drewes, Harald, 1927-1
- Duffield, Wendell A.1
- Englund, Kenneth John, 1923-1
- Fuller, H. Kit1
- Geological Services of Tulsa1
- Geological Survey of Canada1
- Hansen, Wallace R., 1920-1
- Harwood, David S.1
- Hatch, Norman L.1
- Luedke, Robert G.1
- Maine Geological Survey. Dept. of Conservation1
