Creator
- Oregon. Dept. Of Geology And Mineral Industries176
- Mason, Ralph S.27
- Newton, Vernon C.21
- Bowen, Richard G.13
- Lund, Ernest H.12
- Peterson, Norman V.12
- Lange, Erwin F.11
- Groh, Edward A.9
- Beaulieu, John D.8
- Byrne, John Vincent, 1928 8
- Berg, Joseph W.7
- Wagner, Norman Spencer7
- Brooks, Howard C.6
- Gregory, Irene6
- Ramp, Len6
- Allen, John Eliot, 1908 5
- Baldwin, Ewart Merlin, 1915 5
- Corcoran, Raymond E.5
- Couch, Richard W.5
- Hopkins, A. D. (Andrew Delmar), 1857 19485