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Creator
- United States. Bureau of Reclamation 6
- Darling, Jay N. (Jay Norwood), 1876-1962 1
- Finley, William L. (William Lovell), 1876-1953 1
- Hayden, B. E. 1
- Mead, Elwood, 1858-1936 1
Topic
- Agriculture 3
- Maps 3
- Water-power 3
- Economics 2
- Hydrology 2
- Irrigation 2
- Watersheds 2
- Climate 1
- Dams 1
- Demography 1
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Region
- Columbia River >> Douglas County >> Washington >> United States 3
- Washington >> United States 3
- Idaho >> United States 2
- Lebanon 2
- Oregon >> United States 2
- Clear Lake National Wildlife Refuge >> Modoc County >> California >> United States 1
- Lower Klamath National Wildlife Refuge >> Siskiyou County >> California >> United States 1
- Tule Lake National Wildlife Refuge >> Siskiyou County >> California >> United States 1
- Upper Klamath National Wildlife Refuge >> Klamath County >> Oregon >> United States 1