Image: Celilo Sonar
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Description: The horseshoe-shaped channel of the main cataract at Celilo Falls stands out in a sonar image of the river bottom upriver from The Dalles Dam.
Title: Celilo Sonar
Credit: http://blog.oregonlive.com/news_impact/2008/11/medium_newcelilo.jpg
Author: US Army Corps of Engineers
Permission: This image is a work of a U.S. Army soldier or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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