- Oregon State University. Extension Service11
- United States. Department Of Agriculture6
- Koester, Ardis W.3
- Oregon State University. Agricultural Experiment Station3
- Johnson, M. J. (Malcolm Julius)2
- Murphy, Bill (William Michael)2
- Oregon. Department Of Fish And Wildlife2
- Allen, J. S.1
- Creech, Clayton1
- Frakes, Rodney Vance, 1930 1
- Gaumer, Thomas F.1
- Halstead, Bruce G.1
- Hepworth, Homer M.1
- Hutchinson, Alice Marie1
- Komar, Paul D., 1939 1
- Lee, W. O.1
- Lizarraga Arciniega, Jose R.1
- Mack, H. J.1
- Mason, Ralph S.1
- Oregon State University Extension Service. Resource Conservation And Development Project Office1