Creator
- Chase, Marvin1
- Flandrau, Grace C. Hodgson1
- Great Northern Railway Company (U.S.)1
- Ise, John, 1885 1
- Johnson, E. R.1
- Portland Chamber Of Commerce (Or.). Land Settlement Dept1
- Reed College (Portland, Or.)1
- Skinner, Constance Lindsay, 1882 19391
- United States Spruce Production Corporation1
- United States. Forest Service. Pacific Northwest Region.1
- United States. National Forest Reservation Commission1
- Washington (State). Columbia Basin Survey Commission1