Libethenite from Ludwig, Yerington Mining District, Singatse Range, Lyon County, Nevada, USA
USA | |
| Rocks & Minerals, Nov. 1999 |
Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology |
Douglas Hill Mine, Ludwig, Yerington Mining District, Singatse Range, Lyon County, Nevada, USA