- Geological Survey (U.S.)47
- Marshall, C. H.9
- Pillmore, C. L., 1930-3
- Anderson, R. Ernest (Roy Ernest)1
- Detterman, J. S.1
- Hemphill, William R. (William Ross), 1930-1
- Morris, Robert H.1
- Pomeroy, John S., 1929-1
- Sargent, Kenneth A.1
GeoBlacklight version 4.1.0