San Carlos Irrigation Project, Lands North & South of Gila River, Coolidge, Pinal County, AZ
Significance: It is significant for creating an integral irrigation system to serve both Indian and non-Indian lands along the GIla River. Prior to project construction, irrigation of area lands was piecemeal and non-Indian agricultural development above the Gila River Indian Reservation had depleted water supplies for the Indians. Initial authorization of the project in 1916 and the passage of the San Carlos Act on June 7, 1924 culminated years of studies and efforts to develop water storage on the Gila River and restore water to the Pima Indians...
Survey number: HAER AZ-50
Building/structure dates: ca. 1916- before. 1940 Initial Construction