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Author
- Geological Survey (U.S.)12
- Marshall, C. H.10
- Minard, James P.5
- Detterman, J. S.4
- McQueen, Kathleen3
- Hackman, Robert J.2
- Olson, A. B.2
- Patton, William Wallace, 1923-2
- Pillmore, C. L., 1930-2
- Colton, Roger B. (Roger Burnham), 1924-1
- Cross, Aureal T.1
- Great Britain. Ordnance Survey1
- Hemphill, William R. (William Ross), 1930-1
- Lindvall, Robert M. (Robert Marcus), 1916-1
- Miller, Calvin F.1
- Morris, Robert H.1
- Nelson, Arthur E. (Arthur Edward), 1922-1
- Orkild, Paul P.1
- Postel, A. Williams (Albert Williams), 1909-1
- Sable, V. H.1
