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Topic
- Lumber trade 22
- Sawmills 18
- Lumber 14
- Stacking machines 4
- Incinerators 3
- Rivers--Oregon 2
- Wildlife refuges 2
- Advisory Committee on Rural Land Zoning 1
- Agriculture 1
- Birds--Conservation 1
- Burning of land 1
- Conveying machinery 1
- Douglas County Planning Commission (Or.) 1
- Fishes--Conservation 1
- Forest fires 1
- Forestry law and legislation 1
- Forests and forestry 1
- Lakes--California 1
- Lakes--Oregon 1
- Land use, Rural 1
