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Author
- Geological Survey of Alabama27
- Geological Survey (U.S.)20
- Chandler, Robert V.6
- Harkins, Joe R., 1926-5
- Willmon, J. R.4
- Ellard, J. S.3
- Hillier, Donald E.3
- Knight, Alfred L.3
- Lines, Gregory C.3
- Osterkamp, W. R.3
- Leach, Stanley D.2
- Scott, John C., 1926-2
- United States. Office of Strategic Services. Geography Division2
- American Public Health Association. Annual Meeting (12th : 1884)1
- Andrews, William J., 1962-1
- Barbie, Dana L.1
- Barr, G. L.1
- Brown, S. G. (Stuart G.), 1922-1
- Canada. Mines Branch1
- Causey, Lawson V., 1917-1
