Plumbogummite from Nevada, USA
USA | |
| Newmont Mining Corporation |
| Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada |
| Rocks & Minerals (2010) 85:512-524 Rocks & Minerals, Nov. 1999 |
Silver Coin Mine, Valmy, Iron Point Mining District, Humboldt County, Nevada, USA