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- Rivers--Oregon 10
- Mountains--Oregon 4
- Dwellings 3
- Lakes--Oregon 3
- Paddle steamers 3
- Boats 2
- Formations (Geology) 2
- Dogs 1
- Lilies 1
- Log transportation 1
- Logging 1
- Lumber trade 1
- Ordnance 1
- Water-wheels 1