- United States. Forest Service22
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club10
- Williams, Gerald W.5
- United States. Forest Service. Pacific Northwest Region3
- West, Terry L.3
- Graves, Henry Solon, 1871 19512
- Roth, Dennis Morrow, 1943 2
- United States. Forest Service.2
- United States. Forest Service. Public Affairs Office2
- Atwood, Kay1
- Bergoffen, William W.1
- Boyle, Brian J.1
- Camp, Harry W.1
- Claeyssens, Paul G.1
- Coats, J. H.1
- Dravenieks, Daina1
- Fernow, B. E. (Bernhard Eduard), 1851 19231
- Forest History Society1
- Harmon, Frank1
- Lindberg, R. C.1