Creator
- Bond, Hailey G.1
- Carroll, Lindsay J.1
- Cooper, William Skinner, 1884 1
- Green, Diantha Louise1
- Hovenga, Paige A.1
- Kumler, Marion Lawrence, 1941 1
- Lund, Ernest H.1
- Mull, Jeremy M.1
- Oregon Coastal Conservation And Development Commission1
- Oregon. Dept. Of Geology And Mineral Industries1
- Palmsten, Margaret L.1
- United States. Soil Conservation Service1
- Wiedemann, Alfred M.1
- Youngblood, Ross A.1
- Zarnetske, Phoebe Lehmann1