Photographic copy of construction drawing, dated April 1923, corrected 4-6-1925, in possession of SCIP Office, Coolidge, AZ. United States Indian Service, Irrigation. PIER DETAILS - San Carlos Irrigation Project, Sacaton Dam and Bridge, Gila River, T4S R6E S12-13, Coolidge, Pinal County, AZ
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Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
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