| References: | Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 285; Granger, H.C. & R.B. Raup (1962), Reconnaissance study of uranium deposits in AZ, USGS Bull. 1147-A, A7-A12; Gornitz, V. (2004), Grand Canyon Uranium: The Orphan Mine, Mineral News: 20(6): 7.. |