Topic
- Mountains--Oregon 5
- Rivers 5
- Willamette River Valley (Or.) 5
- Cities and towns 4
- Dairy Barn 4
- Dwellings 4
- Hospitals 4
- Irrigation farming 4
- Rowing 4
- Swine 4
- Art centers 3
- Canneries--Waste disposal 3
- Equestrian centers 3
- Fort Rock 3
- Funeral homes 3
- Marys Peak 3
- Radiation Center 3
- Roads 3
- Salem (Or.) 3
- Strip mining 3