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- Rivers--Oregon 369
- Forests and forestry 357
- Lumber trade 240
- Portraits, Group 161
- Mountains--Oregon 139
- Lakes--Oregon 126
- Roads 125
- Cities and towns 110
- Bridges 107
- Civilian Conservation Corps (U.S.) 106
- Waterfalls 97
- Coasts--Oregon 96
- Camps 90
- Formations (Geology) 88
- Log transportation 81
- Fishing 71
- Agriculture 68
- Logging 65
- Sawmills 60
- Springs 55
