Creator
- Oregon Agricultural College6
- [Author Not Identified]1
- Cannon, Miles, 1862 19381
- Conover, Charles Tallmadge, 1862 19611
- Davis, Walter S.1
- Farrar, Victor J.1
- Merriam, C. Hart1
- Muir, John, 1838 19141
- Oregon Agricultural College. Alumni Association1
- United States Geographic Board1
- Washington State Historical Society1