| Lat / long: | 37.95184, -121.85576 |
| Primary: | Silica |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| MRDS | M007150 |
| DEP | 10109196 |
| Reference | SOUTHERN PACIFIC CO., MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V. 2, P. 7 |
| Reporter | Gere, W. |