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- Forests and forestry 80
- Rivers--Oregon 75
- Lakes--Oregon 61
- Roads 60
- Mountains--Oregon 54
- Bridges 43
- Coasts--Oregon 31
- Formations (Geology) 30
- Lumber trade 24
- Cities and towns 16
- Fishing 16
- Portraits, Group 14
- Lodging-houses 12
- Stores, Retail 12
- Boats 11
- Islands--Oregon 11
- Springs 11
- Caves 10
- Redwoods 10
- Waterfalls 10
