- Geological Survey (U.S.)6
- Langer, William H.3
- Handman, Elinor H.2
- Pessl, Fred2
- Ryder, Robert B.2
- Weiss, L. A. (Lawrence A.)2
- Barker, Rachel M.1
- Connecticut. Office of State Planning1
- Hildreth, C. T.1
- Olin, D. A.1
- Thomas, M. P. (Mendall Patterson), 1908-1
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