Relander Collection2018-01-222018-01-22218912002-850-430http://hdl.handle.net/20.500.11867/4708Excavation trenches crisscross the ground at the construction sites West side of the Columbia River.7.5 x 9.5 inchesPhotographIN COPYRIGHT This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).Dams--Wanapum;Dams -- Design and Construction