APPROXIMATELY LOCATED IN OR AROUND THE BLACK DIABLO MINING DISTRICT. SITE NAMES MENTIONED: CERRO MINERAL EXPLORATION CO.; HEINRICHS GEOEXPLORATION CO.
Provenance: Loaded from CSV file on Wed Apr 08 09:20:22 MDT 2009
Supplemental Information: http://www.nbmg.unr.edu/scans/0590/05900011.pdf