- Oregon State College. Agricultural Experiment Station2
- Oregon State University. Agricultural Experiment Station2
- Oregon State University. Extension Service2
- Richards, D. E. (Dale Everette), 1892 2
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club2
- Williams, Gerald W.2
- Allen, G.1
- Appleton, John B. (John Bargate)1
- Bandy, A. R.1
- Barkley, T. M. (Theodore Mitchell), 1934 1
- Benedict, K. B.1
- Benton County Retired Senior Volunteer Program (Or.)1
- Bernhard, Anne E.1
- Black, C. H. (Charles H.)1
- Bonnell, Daniel Ernest1
- Brandyberry, Steven D.1
- Cameron, H. Ronald (Herbert Ronald), 1924 1
- Carmichael, G. R.1
- Collett, J. L.1
- Columbia Basin Agricultural Research Center1