Creator
- Oregon State University. Agricultural Experiment Station193
- Oregon State University. Extension Service147
- Oregon State College. Agricultural Experiment Station100
- Oregon State College. Federal Cooperative Extension Service41
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)39
- United States. Agricultural Research Service36
- Columbia Basin Agricultural Research Center34
- Oregon. State Game Commission34
- Institute For Natural Resources26
- Oregon State Agricultural College. Agricultural Experiment Station26
- Oregon State College. Extension Service25
- Breithaupt, L. R. (Le Roy), 1886 24
- Oregon State University. Forest Research Laboratory24
- Oregon. State Game Commission. Fishery Division23
- Oregon Agricultural College. Experiment Station22
- United States. Forest Service. Northern Region. State & Private Forestry20
- Forest Products Laboratory (U.S.)19
- Oregon State University. Malheur Experiment Station18
- Mcgregor, Mark D.15
- Brewer, Linda J.14