Creator
- Abbott, Mark R.38
- Mcgregor, Mark D.18
- Hamel, Dennis R.16
- United States. Forest Service. Northern Region. State & Private Forestry16
- Christie, Mark R.14
- Blouin, Michael S.12
- Letelier, Ricardo M.8
- Aguirre Munoz, Alfonso7
- Armstrong, Doug P.7
- Bonnaud, Elsa7
- Burbidge, Andrew A.7
- Butchart, Stuart H. M.7
- Campbell, Karl7
- Corkery, Ilse7
- Courchamp, Franck7
- Cowan, Philip E.7
- Croll, Donald A.7
- Cuthbert, Richard J.7
- Ebbert, Steve7
- Fox, Samuel E.7