Willamette River

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Wil·lam·ette River

A river, about 480 km (300 mi) long, of northwest Oregon flowing generally northward to the Columbia River near Portland. The Willamette Valley, a fertile agricultural region, was settled in the 1830s by pioneers traveling west along the Oregon Trail.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun1.Willamette River - a river in western Oregon that flows north into the Columbia River near Portland
Beaver State, OR, Oregon - a state in northwestern United States on the Pacific
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References in periodicals archive ?
The crew appointed two brakemen "to notify [the spy] that his presence was desired east of the Rocky Mountains," dunking him in the frozen Wilamette River until he agreed to leave.