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Topic
- Fisheries 31
- Rivers 9
- Fishwheels 6
- Agriculture 5
- Bodies of water 5
- Conservation of natural resources 5
- Fisheries--Equipment and supplies 5
- Fishery technology 5
- Fishing 5
- Northwest, Pacific 5
- Wildlife conservation 4
- 4-H clubs 3
- Boats and boating 3
- Boats 3
- Oregon State University. Extension Service 3
- Photography 3
- Universities and colleges--Faculty 3
- Blue collar workers 2
- Bonneville Dam (Or. and Wash.) 2
- Columbia River 2
