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Topic
- Rivers--Oregon 44
- Coarse woody debris 22
- Forest fires 9
- Coasts--Oregon 4
- Forests and forestry 4
- Agriculture 3
- Bridges 3
- Oregon State University. Extension Service 3
- Fishing 2
- Forest fires--Prevention and control 2
- Formations (Geology) 2
- Livestock 2
- Ponds 2
- Sheep 2
- Trees 2
- Universities and colleges--Faculty 2
- 4-H clubs 1
- Air bases 1
- Airplanes 1
- Beans 1
