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- Mountains--Oregon 419
- Lakes--Oregon 96
- Forests and forestry 90
- Mountaineering 32
- Rivers--Oregon 30
- Roads 23
- Agriculture 17
- Portraits, Group 14
- Trees 11
- Glaciers 10
- Hood, Mount (Or.) 10
- Landscapes 10
- Sharp, Dallas Lore, 1870-1929 10
- Fishing 9
- Formations (Geology) 8
- Cities and towns 7
- Fire lookout stations 7
- Orchards 7
- Coasts--Oregon 6
- Lakes 6