The San Xavier Indian Reservation Water Users' Association was concerned with development of irrigation on the San Xavier Indian Reservation, Pima County, AZ.
The collection includes minutes of meetings, 1940-1945; time sheets for Indian laborers, May-Aug. 1949; correspondence of various government officials concerning irrigation development on the Reservation, 1939-1945; and miscellaneous papers relating to agricultural use of the land by the Tohono O'odham.