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Creator
- Nyrop, Richard F. 4
Topic
- Climate 2
- Watersheds 2
- Agriculture and state 1
- Bureaucracy 1
- Commerce 1
- Demography 1
- Earthquakes 1
- Irrigation 1
- Languages 1
- Maps 1
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Publisher
- United States. Government Printing Office 4
Institution
- Oregon State University 4