| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 125, 285 Barrington, J. & P.F. Kerr (1963), Collapse features and silica plugs near Cameron, AZ, Geol. Soc. Amer. Bull.: 74: 1237-1258. Bollin, E. M., & Kerr, P. F. (1958). Uranium mineralization near Cameron, Arizona. In Guidebook of the Black Mesa Basin, northern Arizona: New Mexico Geological Society, 9th Field Conference Society Guidebook (Vol. 9, pp. 161-168). |