| Location: | Alameda County, California, United States, North America |
| Lat / long: | 37.52713, -121.50491 |
| dep_id: | 10027977 |
| mrds_id: | M004677 |
| Commodity type: | metallic |
| Major mineral: | Chromium |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Producer |
| ore: | Chromite |
| Reporter: | Gere, W. |
| References: |
|