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- Forests and forestry 73
- Mountains--Oregon 21
- Rivers--Oregon 17
- Lakes--Oregon 15
- Roads 8
- Portraits, Group 3
- Railroad tracks 3
- Camps 2
- Canyons 2
- Fire lookout stations 2
- Forest fires 2
- Forest fires--Prevention and control 2
- Formations (Geology) 2
- Ponderosa pine 2
- Dwellings 1
- Islands--Oregon 1
- Lakes--California 1
- Lumber trade 1
- Peavy, George Wilcox, 1869-1951 1
- Railroad bridges 1