| Lat / long: | 37.8402, -122.48075 |
| Tertiary: | Manganese |
| Other material: | Pyrolusite |
| Operation type: | Surface |
| Development status: | Unknown |
| MAS | 60410025 |
| DEP | 10139578 |
| Reference | {Deposit:: CALIF JOUR MINES AND GEOL V 51 NO 3 JULY 1955 P 279}{Deposit:: IN PIKE COUNTY GULCH ABOUT 1 MI S OF THE UNION GULCH MINE CO}{Deposit:: ON GULCH MINE BE SAME AS COPPER GULCH MINE MAY BE SECTION 18} |
| Reporter | Deino, Al |