Creator
- Oregon State University. Agricultural Experiment Station135
- Oregon State University. Extension Service107
- Oregon State University82
- Oregon State University. College Of Forestry46
- Lane County Historical Society (Or.)38
- Oregon State University. Forest Research Laboratory37
- Oregon State University. Malheur Experiment Station28
- Hatfield Marine Science Center25
- United States. Agricultural Research Service25
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club23
- Et Al.22
- Oregon State University. Water Resources Research Institute22
- Oregon Agricultural College. Experiment Station20
- Columbia Basin Agricultural Research Center19
- Forest Products Laboratory (U.S.)19
- Lane County Pioneer Historical Society (Or.)18
- Oregon State College. Agricultural Experiment Station18
- Oregon. Department Of Fish And Wildlife18
- Oregon State College. Extension Service17
- U.S. International Biological Program. Coniferous Forest Biome16