| Anthony, John W., Williams, Sidney A., Bideaux, Richard A., Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.) University of Arizona Press, Tucson, AZ. Thomssen, Richard W. (1983) The Minerals of Malpais Hill, Pinal County, Arizona. The Mineralogical Record, 14 (2) 109-113 Bideaux, R.A., et al (1960), Some new occurrences of minerals of AZ, AZ Geol. Soc. Digest: 3: 53-56 |
North railway cut, Malpais Hill, Dudleyville, Pinal County, Arizona, USA