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- Ohio. Division of Geological Survey6
- Calvert, Warren L. (Warren Lytle)3
- Alkire, Robert L. (Robert Leo), 1910-2
- Shearrow, George G. (George Gordon)2
- Adams, Barbara J.1
- Carman, J. Ernest (Joel Ernest), 1882-1
- Geological Survey (U.S.), issuing body1
- Lamborn, Raymond E. (Raymond Ellwood), b. 18901
- Magbee, Byron D.1
- Ohio. Division of Water1
- Safford, Frederick B.1
- White, George W. (George Willard), 1903-19851
- Winslow, John Durfee, 1923-20041