Creator
- United States. Division Of Forestry2
- Douthit, Mary Osborn1
- Mohr, Charles (Charles Theodore), 1824 19011
- Oregon Agricultural College. Alumni Association1
- Oregon State Agricultural College1
- Oregon State Agricultural College. Experiment Station1
- Oregon. State Veterinarian1
- Rimoldi, Frank J.1
- Sudworth, George Bishop, 1862 19271
- United States. Bureau Of Land Management1
- United States. Forest Service1
- van Dersal, Samuel1