Ball, T.T., 1982, Geology and fluid inclusion investigation of the Crown King breccia pipe, Yavapai County, Arizona: Golden, Colorado School of Mines, M.S. thesis, 135 p.
U.S. Bureau of Mines, 1944, Old Reliable Mine, Pinal County, Ariz.: U.S. Bureau of Mines War Minerals Report 275, 11 p.
U.S. Bureau of Mines, 1944, Concentration of oxide manganese ores from the vicinity of Long Valley, Coconino County, Ariz.: U.S. Bureau of Mines War Minerals Report 154, 19 p.
Spatz, D.M., 1995, Geology and zoning relationships at the Pine Flat porphyry copper deposit, Yavapai County, Arizona, in Pierce, F.W., and Bolm, J.G., eds., Porphyry copper deposits of the American Cordillera: Arizona Geological Society Digest 20, p. 347-363.
Abrams, M.J., and Brown, David, 1984, Silver Bell, Arizona, porphyry copper test site report, Sect. 4, in Paley, H.N., ed., The joint NASA/Geosat test case project, Final report, Part 2, V. 1: American Association of Petroleum Geologists, p. 4.1-4.73.
Fischer, R.P., 1937, Sedimentary deposits of copper, vanadium-uranium and silver in southwestern United States: Economic Geology, v. 32, no. 7, p. 906-951.
Gilmour, Paul, 1977, Mineralized intrusive breccias as guides to concealed porphyry copper systems: Economic Geology, v. 72, no. 2, p. 290-298.
Erickson, R.C., 1968, Welded intrusive volcanic breccias in the Dos Cabezas Mountains, Arizona, Appendix A-III, in Damon, P.E., Correlation and chronology of ore deposits and volcanic rocks, Annual Progress Report no. COO-689-100: Tucson, University of Arizona, Geochronology Laboratories, p. AIII.1-AIII.41.
Mayo, E.B., 1976, Intrusive fragmental rocks directly or indirectly of igneous origin, in Wilt, J.C., and Jenney, J.P., eds., Tectonic digest: Arizona Geological Society Digest, v. 10, p. 347-430.
Lipman, P.W., and Sawyer, D.A., 1986, Reply to Comment (by R.C. Erickson) on 'Mesozoic ash-flow caldera fragments in southeastern Arizona and their relation to porphyry copper deposits' by P.W. Lipman and D.A. Sawyer: Geology, v. 14, no. 6, p. 540-541.