| Lat / long: | 33.36646, -114.7711 |
| Tertiary: | Manganese |
| Other material: | Psilomelane |
| Discovery year: | 1953 |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| First production started: | 1954 |
| MAS | 60250018 |
| DEP | 10138998 |
| Reference | {Deposit:: U.S. BUREAU OF MINES RI 5579, 1960, P. 33.}{Deposit:: SO. PACIFIC COMPANY, 1964, MINERALD FOR INDUSTRY, V. III,}{Deposit:: SOUTHERN CALIFORNIA, P. 139.}{Deposit:: CALIF. DIV. MINES AND GEOL. COUNTY REPORT 7, 1977, P. 75.} |
| Reporter | Deino, Al |