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Topic
- Lumber trade 386
- Timber 207
- Logging 203
- Log transportation 148
- Loggers 124
- Forests and forestry 98
- Lumber 93
- Trees 92
- Natural resources 56
- Railroads 37
- Docks 34
- Railroad tracks 32
- Oxen 31
- Railroad trains 28
- Working animals 28
- Animals in logging 26
- Timber--Rafting 26
- Blue collar workers 24
- Cattle 24
- Rivers 24
