Dateland area

Halpenny, L.C., and others, 1952, Ground water in the Gila River basin and adjacent areas, Arizona--A summary: U.S. Geological Survey Open-File Report [unnumbered], Tucson, Ariz., October 1952, 224 p.

Gray, Floyd, Miller, R.J., Grubensky, M.J., Tosdal, R.M., Haxel, G.B., Peterson, D.W., May, D.J., and Silver, L.T., 1988, Geologic map of the Ajo and Lukeville 1o by 2o quadrangles, southwest Arizona: U.S. Geological Survey Open-File Report 87-0347, 23 p., 1 sheet, scale 1;250,000.

Gray, Floyd, comp., 1988, Abstracts of the symposium of the geology and mineral deposits of the Ajo and Lukeville 1o x 2o quadrangles, Arizona: U.S. Geological Survey Open-File Report 88-0217, 31 p.

Arizona Geothermal Commercialization Team, 1980, Geothermal development plan: Yuma County: Arizona Bureau of Geology and Mineral Technology Open-File Report 80-08, 22 p.

Conley, J.N., and Koester, E.A., 1972, Well location map, Yuma County, Arizona [includes La Paz County]: Arizona Oil and Gas Conservation Commission, County Well Location Map 2, 1 sheet, scale 1:500,000 [superseded by Conley, J.N., Koester, E.A., and Rauzi, S.L., 1995, Arizona Geological Survey Oil and Gas Publication OG-4].

Chamberlin, E.G., and Richardson, M.L., 1974, Report and interpretations for the general soil map of Yuma County, Arizona: U.S. Department of Agriculture, Soil Conservation Service, 38 p., 1 sheet, scale 1:500,000.

Bull, W.B., 1984, Alluvial fans and pediments of southern Arizona, in Smiley, T.L., Nations, J.D., Pewe, T.L., and Schafer, J.P., eds., Landscapes of Arizona - The geological story: Lanham, Md., University Press of America, p. 229-252.

Bryan, Kirk, 1925, Date of channel trenching (arroyo cutting) in the arid southwest: Science, v. 62, no. 1607, p. 338-344.

Barton, H.N., and Theobald, P.K., 1988, Regional geochemical studies of the Ajo and Lukeville 1o x 2o quadrangles, Arizona, [abs.], in Schindler, K.S., ed., USGS research on mineral resources -- 1989; Fifth annual V.E. McKelvey forum on mineral and energy resources: U.S. Geological Survey Circular 1035, p. 2-4.

Barmore, R.L., 1980, Soil survey of Yuma-Wellton area, parts of Yuma County, Arizona, and Imperial County, California: U.S. Department of Agriculture, Soil Conservation Service and University of Arizona, Agricultural Experiment Station, and California Agricultural Experiment Station, 104 p., 100 sheets.