Image: Public Works Administration Project, Bonneville Dam in Oregon, "Excavation for Navigation Lock and Approach Channnel" - NARA - 197161
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Title: Public Works Administration Project, Bonneville Dam in Oregon, "Excavation for Navigation Lock and Approach Channnel"
Credit: U.S. National Archives and Records Administration
Author: Unknown authorUnknown author or not provided
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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