Photocopy of original construction drawing, dated 13 June 1935 (Original print in the possession of Army Corps of Engineers, Portland District, Portland, OR.) (P-10-55) PLAN SECTIONS AT EL -10, -26, -42, -58. - Bonneville Project, Powerhouse , Spanning Bradford Slough, from Bradford Island, Bonneville, Multnomah County, OR

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Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
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