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1Salt River Project, Arizona : specifications with proposals for construction of canal and structuresCyhoeddwyd 1903Washington, D.C. : Dept. of the Interior, 1903.1 online resource ([22 p.])“...Geological Survey (U.S.). Reclamation Service...”
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2Salt River Project, Arizona : specifications with proposals for construction of canal and structuresCyhoeddwyd 1903Washington, D.C. : Dept. of the Interior, 1903.[22 p.] ; 33 cm.“...Geological Survey (U.S.). Reclamation Service...”
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3Cyhoeddwyd 1907Washington, D.C. : The Service, -1907.v. : maps, plans ; 26-29 cm.“...Geological Survey (U.S.). Reclamation Service...”
