Photocopy of original construction drawing, dated 15 December 1934 (Original print in the possession of Army Corps of Engineers, Portland District, Portland, OR.) (P-5-310, Sheet 2 of 2) SCROLL CASE DESIGN. - Bonneville Project, Powerhouse , Spanning Bradford Slough, from Bradford Island, Bonneville, Multnomah County, OR

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Photo credit: © Tango Images / Alamy / Afripics
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