| Location: | Contra Costa County, California, United States, North America |
| Lat / long: | 37.9546, -121.86714 |
| dep_id: | 10114459 |
| mrds_id: | M007150 |
| mas_id: | 60130009 |
| Commodity type: | metallic |
| Major mineral: | Silica |
| Operation type: | Surface |
| Development status: | Past Producer |
| Reporter: | Western Field Operations Center (WFOC) |
| References: |
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