Lower San Pedro-Cgw

Babcock, H.M., 1977, Annual summary of ground-water conditions in Arizona, Spring 1976 to Spring 1977: U.S. Geological Survey Water-Resources Investigations 77-0106 Open-File Report, 2 sheets, scale 1:1,000,000.

Robson, S.G., and Banta, E.R., 1995, Ground water atlas of the United States, Segment 2, Arizona, Colorado, New Mexico, Utah: U.S. Geological Survey Hydrologic Investigations Atlas HA-0730-C, 32 p.

Babcock, H.M., 1976, Annual summary of ground-water conditions in Arizona, Spring 1974 to Spring 1975: U.S. Geological Survey Water-Resources Investigations 76-0059 Open-File Report, 2 sheets, scale 1:1,000,000.

Arizona Department of Water Resources, 1994, Arizona water resources assessment, V. II, Hydrologic summary: Arizona Department of Water Resources, Hydrology Division, 236 [266] p.

Arizona Department of Water Resources, 1994, Arizona water resources assessment, V. I, Inventory and analysis: Arizona Department of Water Resources, 253 p.

Spencer, J.E., 2002, Natural occurrence of arsenic in Southwest ground water: Southwest Hydrology, v. 1, no. 1, p. 14-15.

Gellenbeck, D.J., and Anning, D.W., 2002, Occurrence and distribution of pesticides and volatile organic compounds in ground water and surface water in central Arizona basins, 1996-98, and their relation to land use: U.S. Geological Survey Water-Resources Investigations Report 01-4144, 107 p.

Brown, S.G., and Aldridge, B.N., 1973, Streamflow gains and losses and ground-water recharge in the San Pedro River Basin, Arizona: U.S. Geological Survey Open-File Report [unnumbered], 40 p., 2 sheets, 1:250,000.

Halpenny, L.C., 1987, Groundwater and surface water interconnection in Arizona: Water Development Corporation, [variously paged].

Thomas, B.E., Hjalmarson, H.W., and Waltemeyer, S.D., 1997, Methods for estimating magnitude and frequency of floods in the southwestern United States: U.S. Geological Survey Water-Supply Paper 2433, 195 p.