Koehler, KateUnited States. Army. Corps of Engineers. Portland District2006-02-012006-02-012004-06https://hdl.handle.net/1794/21802 p. Review produced for HC 441: Science Colloquium: Willamette River Environmental Health, Robert D. Clark Honors College, University of Oregon, Spring term, 2004.11734 bytesapplication/pdfen-USWillamette River Watershed (Or.)Floodplain management -- Oregon -- Willamette River WatershedArticle