- Institute For Natural Resources21
- United States. Bureau Of Land Management21
- Klamath Falls Resource Area18
- Oregon. Fish Commission15
- Geyer, Nancy A.11
- Oregon Natural Heritage Information Center9
- Oregon. State Water Resources Board9
- United States. Forest Service7
- Oregon. Natural Area Preserves Advisory Committee6
- United States. Soil Conservation Service6
- Brophy, Laura S.5
- Christy, John A.5
- Frenkel, Robert E.5
- Thompson, Kenneth E.5
- United States. Department Of Agriculture. Economic Research Service5
- E & S Environmental Chemistry, Inc.4
- Gaines, Lisa4
- Glendening, Elaine A.4
- Jackson, John E.4
- Lauman, Jim E.4