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Topic
- Forests and forestry 5
- Birds 4
- Birds--Nests 4
- Wildfires 4
- Canneries 1
- Canning and preserving--Equipment and supplies 1
- Civilian Conservation Corps (U.S.) 1
- Coasts--Oregon 1
- Cutover lands 1
- Food industry and trade 1
- Formations (Geology) 1
- Grouse 1
- Gulls 1
- Murres 1
- Phalaropes 1
- Pigeons 1
- Plovers 1
- Puffins 1
- Roads--Design and construction 1
- Smoke 1
