Pyrite from Cargo Muchacho Mining District (Hedges Mining District; Ogilby Mining District), Cargo Muchacho Mountains, Imperial County, California, USA
USA | |
| Cal Div of Mines "Journal Vol. 38 No. 2 Pg. 113" |
| Walstrom, Robert E. (n.d.) Personal communication. |
Cal Div of Mines "Journal Vol. 38 No. 2" | |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. |