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- Architecture, American 313
- Architecture--United States 296
- Agriculture 34
- Lichens 33
- Farm ownership 24
- Farm tenancy--Economic aspects 24
- Farms--Oregon 24
- Architecture 17
- Waterfalls 16
- Rivers--Oregon 13
- Fishing 11
- Indians of North America 11
- Croplands 6
- Canyons 5
- Wheat 5
- Deschutes River (Or.) 4
- Farms 4
- Oregon State University. Extension Service 4
- Farm buildings 3
- Meetings 2