Hildenbrand, T.G., Simpson, R.W., Godson, R.H., and Kane, M.F., 1982, Digital colored residual and regional Bouguer gravity maps of the conterminous United States: U.S. Geological Survey Open-File Report 82-0284, 31 p.
Lower Gila
Digital colored residual and regional Bouguer gravity maps of the conterminous United States
Geothermal resources of Arizona
Witcher, J.C., Stone, Claudia, and Hahman, W.R., Sr., 1982, Geothermal resources of Arizona: Arizona Bureau of Geology and Mineral Technology [also listed as Arizona Geological Survey Map 15-2], 1 sheet, scale 1:500,000.
Floods of September 1939 in Colorado River basin below Boulder Dam, Part 1, in Notable local floods of 1939
Gatewood, J.S., 1945, Floods of September 1939 in Colorado River basin below Boulder Dam, Part 1, in Notable local floods of 1939: U.S. Geological Survey Water-Supply Paper 967-A, p. 1-39, 4 sheets, scale 1:2,000,000 [published as a separate chapter in 1945 and as a complete volume of three parts in 1946].
Geology and ground-water resources of the Wellton-Mohawk area, Yuma County, Arizona
Babcock, H.M., Brown, S.C., and Hem, J.D., 1947, Geology and ground-water resources of the Wellton-Mohawk area, Yuma County, Arizona: U.S. Geological Survey Open-File Report [unnumbered], April 17, 1947, [24] p., 2 sheets, scales 1:142,000 and 1:215,000.
Annual summary of ground-water conditions in Arizona, Spring 1975 to Spring 1976
Babcock, H.M., 1977, Annual summary of ground-water conditions in Arizona, Spring 1975 to Spring 1976: U.S. Geological Survey Water-Resources Investigations 77-0010 Open-File Report, 2 sheets, scale 1:1,000,000.
Arizona State Water Plan, Phase 1, Inventory of resource and uses
Arizona Water Commission, 1975, Arizona State Water Plan, Phase 1, Inventory of resource and uses: Arizona Water Commission, 224 p., 2 sheets, approx. scale 1:670,000.
