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C. Yuma Auxiliary Project The Yuma Auxiliary Project, for many years referred to as the Yuma Mesa Auxiliary Division of the Yuma Project, was authorized under the Act of January 25, 1917. It originally included 45,000 acres of mesa land situated adjacent to the eastern boundary of the Valley Division, Yuma Project. Financial limitations on the initial construction reduced this area to approximately 6,318 irrigable acres. Irrigation service was provided by a pump lift from the East Main Canal of the Valley Division, Yuma Project. The Act of June 13, 1949, further reduced the irrigation service area to 3,305 acres and authorized the furnishing of water through facilities of the Gila Project in lieu of pumping from the Yuma Project. With completion of contractual arrangements and necessary physical connections, initiation of service from the Gila Project facilities through the Gila Gravity Main Canal, the Yuma Mesa Pumping Plant, and the "A" Canal was commenced July 6, 1953. D. Gila Project The Gila Project, consisting of the Yuma Mesa and Wellton-Mohawk Divisions, was authorized under the finding of feasibility approved by the President on June 21, 1937. The project was reauthorized by Public Law 272 on July 30, 1947. 1. Yuma Mesa Division. The Yuma Mesa Division is comprised of the Yuma Mesa and North and South Gila Valley units. The Gila Gravity Main Canal and Yuma Mesa Pumping Plant were completed in 1943. 9Epson Perfection 4870 Photo, 400 dpi, 8 bit, 8,372,224 byte