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- Sawmills 142
- Lumber trade 65
- Rivers--Oregon 18
- Mills and mill-work 15
- Timber 14
- Dams 12
- Log transportation 11
- Logging 10
- Trees 9
- Railroad trains 5
- Timber--Wet storage 5
- College students 4
- Factories 4
- Forestry schools and education 4
- Railroad switches 4
- Railroad tracks 4
- Railroads 4
- Wood 4
- Industrial buildings 3
- Lumber-yards 3
