Author
United States. Forest Service,
18
United States. Bureau of Land Management,
8
United States. Bureau of Land Management. Roseburg District Office,
6
United States. Bureau of Land Management. Eugene District,
3
United States. Forest Service. Pacific Northwest Region
3
United States. Forest Service. Pacific Northwest Region,
3
Geological Survey (U.S.)
2
United States. Bureau of Land Management. Coos Bay District,
2