Spencer, J.E., and Reynolds, S.J., 1989, Middle Tertiary tectonics of Arizona and adjacent areas, in Jenney, J.P., and Reynolds, S.J., eds., Geologic evolution of Arizona: Arizona Geological Society Digest 17, p. 539-574.
Wellton Hills
Placename Counties
Placename Label
Middle Tertiary tectonics of Arizona and adjacent areas, in Jenney, J.P., and Reynolds, S.J., eds., Geologic evolution of Arizona
Geologic cross sections of western Arizona Basin and Range, with accompanying geologic maps and other information
Scarborough, R.B., 1985, Geologic cross sections of western Arizona Basin and Range, with accompanying geologic maps and other information: Arizona Bureau of Geology and Mineral Technology Open-File Report 85-02, 10 p., 34 sheets, scales 1:250,000 and 1:500,000.
Principal facts for gravity stations in the Yuma, Arizona, and Blythe, California areas
Peterson, D.L., Conradi, Arthur, and Zohdy, A.A.R., 1967, Principal facts for gravity stations in the Yuma, Arizona, and Blythe, California areas: U.S. Geological Survey Open-File Report [unnumbered], 34 sheets.
Temperature logs of wells and test wells in Yuma area, Arizona and California
Olmsted, F.H., 1983, Temperature logs of wells and test wells in Yuma area, Arizona and California: U.S. Geological Survey Open-File Report 80-0335, 26 p.
Geohydrology of the Yuma area, Arizona and California, in Water resources of Lower Colorado River - Salton Sea area
Olmsted, F.H., Loeltz, O.J., and Irelan, Burdge, 1973, Geohydrology of the Yuma area, Arizona and California, in Water resources of Lower Colorado River - Salton Sea area: U.S. Geological Survey Professional Paper 486-H, p. H1-H227, 17 sheets, scales 1:24,000, 1:62,500, 1:125,000, and 1:250,000.
Cenozoic plant and animal fossils of Arizona [and Appendix A-D], in Smiley, T.L., Nations, J.D., Pewe, T.L., and Schafer, J.P., eds., Landscapes of Arizona - The geological story
Nations, J.D., and Landye, J.J., 1974, Cenozoic plant and animal fossils of Arizona [and Appendix A-D], 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. 7-35, 428-479.
Late Pliocene and Quaternary geology, El Centro quadrangle
Morrison, R.B., 1984, Late Pliocene and Quaternary geology, El Centro quadrangle: Arizona Bureau of Geology and Mineral Technology Open-File Report 84-02, 6 p., 1 sheet, scale 1:250,000.
Geophysical studies in the Yuma area, Arizona and California
Mattick, R.E., Olmsted, F.H., and Zohdy, A.A.R., 1973, Geophysical studies in the Yuma area, Arizona and California: U.S. Geological Survey Professional Paper 726-D, 36 p., 5 sheets, scale 1:250,000.
Aeromagnetic maps of the Colorado River region including the Kingman, Needles, Salton Sea, and El Centro 1o x 2o quadrangles, California, Arizona, and Nevada
Mariano, John, and Grauch, V.J.S., 1988, Aeromagnetic maps of the Colorado River region including the Kingman, Needles, Salton Sea, and El Centro 1o x 2o quadrangles, California, Arizona, and Nevada: U.S. Geological Survey Miscellaneous Field Studies Map MF-2023, 3 sheets, scale 1:250,000.
NURE aerial gamma-ray and magnetic reconnaissance survey, Colorado-Arizona area, Salton Sea NI 11-9, Phoenix NI 12-7, El Centro NI 11-12, Ajo NI 12-10, Lukeville NH 12-1 quadrangles, V. I, Narrative report
LKB Resources, Inc., 1979, NURE aerial gamma-ray and magnetic reconnaissance survey, Colorado-Arizona area, Salton Sea NI 11-9, Phoenix NI 12-7, El Centro NI 11-12, Ajo NI 12-10, Lukeville NH 12-1 quadrangles, V. I, Narrative report: U.S. Department of Energy Report GJBX-12(80), 246 p., 48 microfiche.