Creator
- Oregon. Dept. Of Geology And Mineral Industries3
- Allen, John Eliot, 1908 1
- Couch, Richard W.1
- Deloach, D. B. (Daniel Barton), 1904 1
- Driscoll, Abbey N.1
- Gallagher, John Neil1
- Gipson, Kay1
- Hammond, Paul E.1
- Johnson, Stephen1
- Mason, Ralph S.1
- Murphy, Yarrow M.1
- Oregon State College. Agricultural Experiment Station1
- Pietrafesa, Leonard J.1
- Steiner, R. A. (Robert Adolph)1
- White, James Seeley1