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- River surveys 14
- United States. Congress--Records and correspondence 14
- River engineering 11
- Transportation 4
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- Military topography 2
Region
- Portland >> Clackamas County >> Oregon >> United States 11
- Columbia River >> Clatsop County >> Oregon >> United States 9
- Willamette River >> Multnomah County >> Oregon >> United States 9
- San Francisco >> San Francisco County >> California >> United States 8
- Crescent Harbor >> Del Norte County >> California >> United States 5
- Pacific Ocean >> Earth 4
- Astoria >> Clatsop County >> Oregon >> United States 3
- Lewiston >> Nez Perce County >> Idaho >> United States 2
- Penobscot River >> Hancock County >> Maine >> United States 2
- Priest Rapids >> Kittitas County >> Washington >> United States 2
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Type
- Text 15
- Collection 1
Collection
- Western Waters Digital Library 16
Decade
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