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Topic
- Water--Pollution 17
- Algae 6
- Canneries--Waste disposal 3
- College presidents 3
- Jensen, James H. 3
- Meetings 3
- Rivers 3
- Willamette River (Or.) 3
- Portraits, Group 2
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Region
- Albany >> Linn County >> Oregon >> United States 4
- Corvallis >> Benton County >> Oregon >> United States 4
- Oregon >> United States 3
- Shedd >> Linn County >> Oregon >> United States 2
- Willamette River >> Multnomah County >> Oregon >> United States 2
- Bonneville Dam >> Multnomah County >> Oregon >> United States 1
- Cathlamet >> Wahkiakum County >> Washington >> United States 1
- Curry County >> Oregon >> United States 1
Decade
- 1960-1969 17