Image: Columbiasloughwatershed

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Description: Map of Columbia Slough watershed in Multnomah County, Oregon, United States. The slough begins in Fairview, Oregon, and flows into the Willamette River at Portland. The symbol P indicates a pumping station.
Title: Columbiasloughwatershed
Credit: Taken from U.S. Census website here and modified by User:Finetooth. Watershed boundaries from Portland Bureau of Environmental Services here and Columbia Slough Watershed Council here.
Author: U.S. Census, Finetooth
Permission: U.S. government work in public domain; my modifications licensed under GFDL, CC-BY-SA-3.0
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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