Creator
- Oregon State University. Agricultural Experiment Station23
- Oregon. State Game Commission19
- Oregon. State Game Commission. Fishery Division16
- Oregon State University. Extension Service7
- Columbia Basin Agricultural Research Center6
- Oregon State University. Malheur Experiment Station6
- United States. Agricultural Research Service6
- United States. Forest Service. Northern Region5
- United States. Forest Service. Northern Region. State & Private Forestry5
- James, Robert L.4
- Oregon. Dept. Of Geology And Mineral Industries4
- Institute For Natural Resources3
- Mason, Ralph S.3
- Meyer, Hubert E.3
- Newton, Vernon C.3
- Oregon State University. Forest Research Laboratory3
- Pease, James R. (James Robert)3
- Tunnock, Scott3
- U.S. International Biological Program. Coniferous Forest Biome3
- United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management3