| Location: | Montgomery County, Maryland, United States, North America |
| Lat / long: | 38.99531, -77.16885 |
| dep_id: | 10110574 |
| mrds_id: | W019898 |
| Commodity type: | metallic |
| Major mineral: | Silica |
| Operation type: | Unknown |
| Deposit type: | Metamorphic |
| Production size: | Production occurred |
| Development status: | Producer |
| ore: | Gneiss |
| Reporter: | Unknown |
| References: |
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