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- Geological Survey (U.S.), issuing body99
- Cobban, William Aubrey, 1916-5
- Imlay, Ralph W. (Ralph Willard), 1908-19894
- Rocky Mountain Research Station (Fort Collins, Colo.), issuing body4
- Sando, William Jasper4
- Campbell, Marius R. (Marius Robinson), 1858-19403
- Sandberg, Charles A. (Charles Albert), 1929-3
- U.S. Atomic Energy Commission, issuing body3
- Averitt, Paul, 1908-2
- Catlin, George, 1796-18722
- Darton, Nelson Horatio, 1865-19482
- Davidson, David F. (David Francis), 1923-2
- Denson, N. M. (Norman MacLaren), 1914-2
- Drummond, David (Narrator)2
- Fouch, Thomas D.2
- Izett, Glen Arthur, 1928-2
- Lohr, E. W. (Edwin Wallace), 1897-2
- Miller, Betty M.2
- Mullens, Marjorie C.2
- Parkman, Francis, 1823-18932