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- Sawmills 198
- Lumber trade 120
- Rivers--Oregon 22
- Lumber 16
- Mills and mill-work 15
- Timber 14
- Log transportation 13
- Dams 12
- Logging 10
- Trees 9
- Timber--Wet storage 8
- Portraits, Group 7
- Railroad trains 5
- College students 4
- Factories 4
- Flumes 4
- Forestry schools and education 4
- Railroad switches 4
- Railroad tracks 4
- Railroads 4
