Covellite from selected localities.
USA | |
| UGMS Bull 117 Minerals and Mineral Localities of Utah; Butler, B. S. (1913) Geology and ore deposits of the San Francisco and adjacent districts, Utah. USGS Professional Paper 80. |
Butler, B. S. (1913) Geology and ore deposits of the San Francisco and adjacent districts, Utah. USGS Professional Paper 80. |
Horn Silver Mine, Frisco, San Francisco Mining District, Beaver County, Utah, USA