| Lat / long: | 37.9346, -122.53216 |
| Primary: | Stone |
| Operation type: | Surface |
| Development status: | Unknown |
| MRDS | M009195 |
| MAS | 60410013 |
| DEP | 10212546 |
| Reference | {Deposit:: CALIF JOUR MINES AND GEOL V 51 NO 3 P 243 244 286 PL 4}{Deposit:: AT LARKSPUR COMMODITY IS CRUSHED STONE} |
| Reporter | Western Field Operations Center (WFOC) |