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- Oregon State University. Agricultural Experiment Station20
- Columbia Basin Agricultural Research Center16
- Columbia River Gillnetter (Columbia River Fishermen's Protective Union)16
- United States. Agricultural Research Service15
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club15
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- Fort Hoskins Historic County Park, Oregon, United States, (Area)2
- Glacier Bay National Park and Preserve, Alaska, United States, (Area)2
- Corvallis, Oregon, United States, (Populated Place)1
- Fort Yamhill (historical), Oregon, United States, (Spot)1
- Oregon, Oregon, United States, (Administrative Boundary)1
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