Valley of the Ajo

Bedinger, M.S., Sargent, K.A., and Langer, W.H., 1990, Studies of geology and hydrology in the Basin and Range province, southwestern United States for isolation of high-level radioactive waste - Evaluation of the regions: U.S. Geological Survey Professional Paper 1370-H, p. H1-61, 7 plates, scale 1:1,000,000.

Bedinger, M.S., Sargent, K.A., and Langer, W.H., 1984, Sonoran region, Arizona, in Bedinger, M.S. and others, Studies of geology and hydrology in the Basin and Range province, southwestern United States, for isolation of high-level radioactive waste: Evaluation of the regions: U.S. Geological Survey Open-File Report 84-0745, p. 81-108, 2 sheets, scale 1:300,000.

Bedinger, M.S., Langer, W.H., and Reed, J.E., 1984, Ground-water hydrology, in Bedinger, M.S. and others, eds., Studies of geology and hydrology in the Basin and Range province, southwestern United States, for isolation of high-level radioactive waste: U.S. Geological Survey Open-File Report 84-0741, p. 98-114, 5 sheets 2, 3, and 4, scale 1:500,000.

Pima Association of Governments, 1994, Water quality: State of the region report: Tucson, Ariz., [177] p.

Heindl, L.A., and Cosner, O.J., 1961, Hydrologic data and drillers' logs, Papago Indian Reservation, Arizona, with a section on Chemical quality of the water, by L. R. Kister: Arizona State Land Department Water Resources Report no. 9, 116 p., 1 sheet, scale 1:270,000.

Heindl, L.A., Cosner, O.J., Page, H.G., Armstrong, C.A., and Kister, L.R., 1962, Summary of occurrence of ground water on the Papago Indian Reservation, Arizona: U.S. Geological Survey Hydrologic Investigations Atlas HA-0055, scale 1:250,000.

Tellman, Barbara, Glass, Clint, Wallace, John, and Fuller, J.E., 2000, An overview of Pima County's watersheds and watercourses: Pima County, Ariz., Sonoran Desert Conservation Plan Report, 215 p.

Bedinger, M.S., Sargent, K.A., and Langer, W.H., eds., 1990, Studies of geology and hydrology in the Basin and Range province, southwestern United States for isolation of high-level radioactive waste - Characterization of the Sonoran region, Arizona: U.S. Geological Survey Professional Paper 1370-D, p. D1-D40, 6 plates, scales 1:500,000 and 1:1,000,000.

Schumann, H.H., Laney, R.L., and Cripe, L.S., 1986, Land subsidence and earth fissures caused by ground-water depletion in southern Arizona, in Anderson, T.W. and Johnson, A.I., eds., Regional aquifer systems of the United States - Southwest alluvial basins of Arizona: American Water Resources Association Monograph Series no. 7, p. 81-91.

Brown, J.G., 2005, Water-quality data for selected national park units, southern and central Arizona and west-central New Mexico, water years 2003 and 2004: U.S. Geological Survey Open-File Report 2005-1291, 12p.