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Creator
- Sponsor: John E. Stempel222
- Editor: Leona Menze40
- Editor: Robert A. McGill39
- Editor: Jean Johnson37
- Editor: Marilyn V. Vice36
- Editor: Betty Stevens32
- Editor: Eugene Ludwig25
- Editor: Eugene J. Cadou Jr.12
- Montgomery, Pauline3
- Illinois State Geological Survey2
- Geological Survey (U.S.)1
- Graff, Fred, Jr.1
- Herron, W. H. (William Harrison), 1865-1
- Marshall, R. B. (Robert Bradford), 1867-19491
- U.S. Coast and Geodetic Survey1
- United States. Army1
- United States. Army Map Service1
- United States. Army Service Forces. Service Command, 5th1