Location: | Contra Costa County, California, United States, North America |
Lat / long: | 37.90546, -122.36661 |
dep_id: | 10029599 |
mrds_id: | M007247 |
Commodity type: | nonmetallic |
Major mineral: | Stone |
Operation type: | Unknown |
Production size: | No production occurred |
Development status: | Occurrence |
Reporter: | Gere, W. |
References: |
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