Copper Stain from Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
USA | |
| Margerum, W. (2004) The Darwin Tungsten Area Part II: Mines and Mineralogy in the Bulletin of the Mineralogical Society of Southern California Vol. 74(5). |
U.S. Dept. of the Interior, Geological Survey, Docket No. DMEA 3853 (1955) |