| Location: | Montgomery County, Maryland, United States, North America |
| Lat / long: | 39.12363, -76.91297 |
| dep_id: | 10267523 |
| mas_id: | 240310027 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Feldspar |
| Trace mineral: | Beryllium, Mica |
| Operation type: | Surface |
| Development status: | Past Producer |
| Reporter: | Eastern Field Operations Center (EFOC) |
| References: |
|