- Geological Survey (U.S.)5
- Peper, John D.3
- Colton, Roger B. (Roger Burnham), 1924-2
- Connecticut. State Highway Dept1
- Cushman, R. V. (Robert Vittum), 1916-1
- Hartshorn, Joseph H. (Joseph Harold), 1922-1
- Hildreth, Carol T.1
- O'Leary, Dennis W.1
- Seiders, Victor M.1
- Snyder, George L. (George Leonard), 1927-1
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