- La Plata Mining District (California Mining District)
| Vogel, C. (2014, October). Insight into the Origin of Gold at the Bessie G Mine, La Plata Mining District, Southwestern Colorado. In 2014 GSA Annual Meeting in Vancouver, British Columbia. Saunders, J. A. (1986). Petrology, mineralogy, and geochemistry of representative gold telluride ores from Colorado (Doctoral dissertation, Colorado School of Mines). Bob Ross - Part owner of the Bessie G mine |