Photocopy of original construction drawing, 29 May 1935. (Original print in the possession of Army Corps of Engineers, Portland District, Portland, OR.) (M-5-12, Sheet No. 13) SPILLWAY DAN PIERS 2 TO 9 INCL. AND NORTH SIDE PIER 10 REINFORCING STEEL. - Bonneville Project, Bonneville Dam, Columbia River, Bonneville, Multnomah County, OR

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