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- Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)✖[remove]32
- Alexander, Robert R.8
- Shepperd, Wayne D.4
- Brink, Glen E.2
- Edminster, Carleton B.2
- Forest Products Laboratory (U.S.)2
- Intermountain Forest and Range Experiment Station (Ogden, Utah)2
- Johnson, David W. (David Winslow), 1940-2
- Kaufmann, Merril R.2
- Nickerson, Mona F.2
- Old-Growth Forests in the Rocky Mountains and Southwest Conference (1992 : Portal, Ariz.)2
- United States. Forest Service2
- Donnelly, Dennis M.1
- Feddema, Charles, 1920-1
- Frye, Robert H.1
- Hawksworth, Frank G., 1926-1
- Hawksworth, Frank G., 1926-19931
- Jeffers, Richard M.1
- Leatherman, David A.1
- McKnight, F. B.1