| Lat / long: | 38.72738, -122.71607 |
| Primary: | Mercury |
| Operation type: | Underground |
| Development status: | Unknown |
| MRDS | M055712 |
| MAS | 60970078 |
| DEP | 10166256 |
| Reference | CALIF. JOUR. MINES & GEO. V.46, NO1, JAN. 1950. |
| Reporter | Western Field Operations Center (WFOC) |