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- Mountains--Oregon 22
- Mountaineering 9
- Forests and forestry 5
- Glaciers 5
- Lakes--Oregon 3
- Agriculture 2
- Glacial crevasses 2
- Rivers--Oregon 2
- Roads 2
- Camps 1
- Correspondence 1
- Fishing 1
- Orchards 1
- Taverns (Inns) 1