Author/Creator
- United States. Forest Service. Northern Research Station, issuing body51
- United States. Forest Service. Southern Research Station, issuing body22
- United States. Forest Service. North Central Research Station14
- United States. Forest Service, issuing body6
- Commission of the European Communities. Directorate-General for Agriculture3
- Southeastern Forest Experiment Station (Asheville, N.C.), issuing body3
- United States. Forest Service3
- United States. Forest Service. Northern Research Station3
- United States. Forest Service. Southern Research Station3
- Bengal (India). Forest Department1
- British Columbia. Forest Service1
- Earth Resources Survey Program (U.S.)1
- Forest Inventory and Analysis Program (U.S.)1
- Forestry Remote Sensing Laboratory (Berkeley, Calif.)1
- Great Lakes Forest Research Centre1
- Lyndon B. Johnson Space Center1
- Ontario. Ministry of Natural Resources1
- Pacific Northwest Research Station (Portland, Or.), issuing body1
- Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.). Resources Evaluation Techniques Program1
- United States. Bureau of Land Management1