| Description: | Past Producer |
|---|---|
| Country | United States |
| State or province | Maryland |
| Geographic location: | -77.13, 39.26 |
| (click for info) | |
| Commodities | Al Fe silica Cr |
| Source record ID | 10291511 |
| Reference | U.S. Geological Survey, 2008, Mineral Resources Data System (MRDS): [http://minerals.usgs.gov/fact-sheets/MRDS_Broch.html, last accessed Sep. 20, 2008]. |
| Geologic unit | -77.13, 39.26 |
| Nearby scientific data | Find additional scientific data near this location |