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- Lumber trade 353
- Timber 203
- Logging 198
- Log transportation 144
- Loggers 110
- Forests and forestry 94
- Lumber 93
- Trees 88
- Natural resources 52
- Railroads 37
- Docks 33
- Railroad tracks 32
- Oxen 31
- Working animals 28
- Railroad trains 27
- Animals in logging 26
- Blue collar workers 24
- Cattle 24
- Timber--Rafting 24
- Ships 23