【威拉米特河】
威拉米特河（Willamette River），源出美国喀斯喀特山脉，由Coast河（Coast）和Middle河（Middle）等河汇合而成，流经俄勒冈州西南部。在波特兰（Portland）西北注入哥伦比亚河。长约480公里，沿河是农牧业地区。威拉米特河长期饱受污染物质侵扰。
== 注解 ==
==参考文献==
* —  "Oregon Water Quality Index Summary Report, Water Years 1998–2007" (PDF), May 2008. Oregon Department of Environmental Quality. Retrieved April 10, 2011.
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* Laenen, Antonius; Dunnette, David A. (1997). River Quality: Dynamics and Restoration. Boca Raton, Florida: CRC Press. ISBN 1-56670-138-4. 34885999.
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* McArthur, Lewis A.; McArthur, Lewis L. (2003) 1928. Oregon Geographic Names (7th ed.). Portland, Oregon: Oregon Historical Society Press. ISBN 0-87595-277-1. 53075956.
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* Samson, Karl (2010). Frommer's Oregon. Hoboken, New Jersey: Wiley-Blackwell. ISBN 0-470-53771-X. 671277501.
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* Snipp, C. Matthew (1989). American Indians: The First of This Land. New York, New York: Russell Sage Foundation. ISBN 0-87154-822-4. 19670797.
* Stenzel, Franz (1972). Cleveland Rockwell: Scientist and Artist, 1837–1907. Portland, Oregon: Oregon Historical Society. ISBN 0-87595-037-X. 333762.
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==外部连结==
*  City of Portland River Renaissance Strategy date=20151223150749
*  Guiding the Willamette web archive, Think Out Loud radio program on Oregon Public Broadcasting, April 1, 2009
*  Portland Harbor DEQ cleanup – Oregon State Department of Environmental Quality
*  Willamette Riverkeeper date=20210309201841  – Non-profit environmental organization