Creator
- Oregon State University. Extension Service25
- Gardner, Ernest Hugh5
- Jackson, T. L. (Thomas Lloyd), 1922 4
- Freilich, Michael H.3
- Mcguire, William S.3
- Pacific Northwest Cooperative Extension3
- University Of Idaho. Extension3
- Washington State University. Extension3
- Bennett, Andrew F.2
- Berkeley, S. A.2
- Brook, Edward J.2
- Chelton, Dudley B.2
- Chua, Boon S.2
- de Szoeke, Roland A.2
- Esbensen, Steven K.2
- Golden, J. T.2
- Hannaway, D. B.2
- Harney County Watershed Council2
- Musick, J. A.2
- Parker, S. J.2