| Location: | Contra Costa County, California, United States, North America |
| Lat / long: | 37.9474, -122.42105 |
| dep_id: | 10162992 |
| mrds_id: | M007241 |
| mas_id: | 60130116 |
| Commodity type: | nonmetallic |
| Major mineral: | Stone |
| Operation type: | Surface |
| Development status: | Past Producer |
| Reporter: | Western Field Operations Center (WFOC) |
| References: |
|