Richard, S.M., Reynolds, S.J., Spencer, J.E., and Pearthree, P.A., comps., 2000, Geologic Map of Arizona: Arizona Geological Survey Map M-35, 1 sheet, scale 1:1,000,000.
Lower San Pedro
Geologic Map of Arizona
Preliminary hydrographic survey report for the San Pedro River watershed, Volume 1: General assessment, In re The general adjudication of the Gila River system and source
Arizona Department of Water Resources, 1990, Preliminary hydrographic survey report for the San Pedro River watershed, Volume 1: General assessment, In re The general adjudication of the Gila River system and source: [Phoenix], Arizona Department of Water Resources, [630] p.
Character of the ground-water resources of Arizona
Catlin, C.N., 1926, Character of the ground-water resources of Arizona: Tucson, University of Arizona, College of Agriculture, Agricultural Experiment Station, Bulletin no. 114, p. 173-293.
The chemical composition of representative Arizona waters
Smith, H.V., Caster, A.B., Fuller, W.H., Breazeale, E.L., and Draper, George, 1949, The chemical composition of representative Arizona waters: Tucson, University of Arizona, College of Agriculture, Agricultural Experiment Station, Bulletin 225, 76 p.
Santa Cruz-San Pedro River basin, Arizona: Resource inventory
Soil Conservation Service, Economic Research Service, Forest Service, and Arizona Water Commission, 1977, Santa Cruz-San Pedro River basin, Arizona: Resource inventory: U.S. Department of Agriculture Soil Conservation Service, [350] p.
Memorandum on geology and ground-water resources in the vicinity of Oracle, Pinal County, Arizona
Heindl, L.A., 1955, Memorandum on geology and ground-water resources in the vicinity of Oracle, Pinal County, Arizona: U.S. Geological Survey Open-File Report [unnumbered], Tucson, Ariz., February 1955, [17] p.
Water resources: Part II of Mineral and water resources of Arizona
Ligner, J.J., White, N.D., Kister, L.R., and Moss, M.E., 1969, Water resources: Part II of Mineral and water resources of Arizona: Arizona Bureau of Mines Bulletin 180, p. 471-580.
Annual summary of ground-water conditions in Arizona, Spring 1981 to Spring 1982
U.S. Geological Survey, 1983, Annual summary of ground-water conditions in Arizona, Spring 1981 to Spring 1982: U.S. Geological Survey Open-File Report 82-1009, 2 sheets, scales 1:1,000,000 and 1:3,200,000.
Annual summary of ground-water conditions in Arizona, Spring 1982 to Spring 1983
U.S. Geological Survey, 1984, Annual summary of ground-water conditions in Arizona, Spring 1982 to Spring 1983: U.S. Geological Survey Open-File Report 84-0428, 2 sheets, scales 1:1,000,000 and 1:3,300,000.
Annual summary of ground-water conditions in Arizona, Spring 1984 to Spring 1985
U.S. Geological Survey, 1986, Annual summary of ground-water conditions in Arizona, Spring 1984 to Spring 1985: U.S. Geological Survey Open-File Report 86-0422W, 2 sheets, scales 1:1,000,000 and 1:3,300,000.