Hackberry area

Sherrod, D.R., and Nielson, J.E., eds., 1993, Tertiary stratigraphy of highly extended terranes, California, Arizona, and Nevada: U.S. Geological Survey Bulletin 2053, 250 p., 3 sheets.

Mickus, K.L., and James, W.C., 1991, Regional gravity studies in southeastern California, western Arizona, and southern Nevada: Journal of Geophysical Research, v. 96, no. B7, p. 12,333-12,350.

Wong, I.G., Unruh, J.R., Wright, D.H., and Lettis, W.R., 1993, Seismicity evaluation for Parker Dam, Arizona - California, in Anderson, L.W., and O'Connell, D.R., Seismotectonic study of the northern portion of the Lower Colorado River, Arizona, California, and Nevada; For Hoover Dam - Boulder Canyon Project, Davis and Parker Dams - Parker-Davis Project, Palo Verde Diversion Dam - Palo Verde Diversion Project, and Headgate Rock Dam - Bureau of Indian Affairs: U.S. Bureau of Reclamation Seismotectonic Report no. 93-4, Appendix A, 73 p., 1 sheet, scale 1:338,000.

Young, R.A., Peirce, H.W., and Faulds, J.E., 1987, Geomorphology and structure of the Colorado Plateau/Basin and Range Transition Zone, Arizona, in Davis, G.H., and VandenDolder, E.M., eds., Geologic diversity of Arizona and its margins: Excursions to choice areas; Field-trip guidebook, 100th Annual Meeting, The Geological Society of America, Phoenix, Arizona, October 26-29, 1987: Arizona Bureau of Geology and Mineral Technology Special Paper 5, p. 182-196.

Albin, A.L., and Karlstrom, K.E., 1991, Orthogonal Proterozoic fabrics in northwestern Arizona: Multiple orogenic events or progressive deformation during continental assembly, in Karlstrom, K.E., ed., Proterozoic geology and ore deposits of Arizona: Arizona Geological Society Digest 19, p. 67-84.

Wooden, J.L., and DeWitt, E., 1991, Pb isotopic evidence for the boundary between the Early Proterozoic Mohave and Central Arizona crustal provinces in western Arizona, in Karlstrom, K.E., ed., Proterozoic geology and ore deposits of Arizona: Arizona Geological Society Digest 19, p. 27-50.

Albin, A.L., 1991, Geologic map of the Peacock Mountains and southern Grand Wash Cliffs, including Peacock Peak, Antares, Hackberry, Valentine, and the southern half of the Music Mountain SE [Music Mountains SE], and Milkweed Canyon SW 7 1/2 minute quadrangles, northwestern Arizona: Arizona Geological Survey Contributed Map CM-91-K, 1 sheet, scale 1:24,000.

Karlstrom, K.E., and Bowring, S.A., 1991, Styles and timing of Early Proterozoic deformation in Arizona: Constraints on tectonic models, in Karlstrom, K.E., ed., Proterozoic geology and ore deposits of Arizona: Arizona Geological Society Digest 19, p. 1-10.

Chamberlain, K.R., and Bowring, S.A., 1990, Proterozoic geochronological and isotopic boundary in NW Arizona: Journal of Geology, v. 98, no. 3, p. 399-416.

Beard, Sue, and Lucchitta, Ivo, 1990, Geologic map of the Valentine SE quadrangle, Mohave County, Arizona: U.S. Geological Survey Open-File Report 90-0201, 1 sheet, scale 1:24,000.