| Location: | Contra Costa County, California, United States, North America |
| Lat / long: | 38.0224, -121.97414 |
| dep_id: | 10114419 |
| mas_id: | 60130090 |
| Commodity type: | nonmetallic |
| Major mineral: | Stone |
| Operation type: | Surface |
| Development status: | Producer |
| Reporter: | Western Field Operations Center (WFOC) |
| References: |
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