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- Henderson, Robert W. (Robert Wesley), 1914-2006 3
- Oregon Journal (Firm) 3
- Nature 2
- Oregonian (Firm) 2
- Doerksen, Harvey R. 1
- Finley, William L. (William Lovell), 1876-1953 1
- United States. Army. Corps of Engineers. North Pacific Division 1
- United States. Department of Agriculture 1
- United States. Department of the Interior 1
- United States. Forest Service 1
- University of California, Berkeley 1