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Topic
- Forests and forestry 52
- Civilian Conservation Corps (U.S.) 40
- Camps 22
- Forest fires--Prevention and control 17
- Indians of North America 8
- Mountains--Oregon 8
- Huckleberries 7
- Lakes--Oregon 7
- Lumber trade 7
- Baskets 6
- Ranger stations 6
- Portraits, Group 4
- Sawmills 4
- Fishing 3
- Forest fires 3
- Rivers--Oregon 3
- Roads--Design and construction 3
- Telephone lines 3
- Barracks 2
- Bridges 2