| Lat / long: | 39.41193, -76.83387 |
| Tertiary: | Chromium, Iron, Silica |
| Other material: | Aragonite, Brucite, Chalcedony, Chromite, Jasper, Magnesite, Serpentine, Talc |
| Operation type: | Underground |
| Development status: | Past Producer |
| MAS | 240050007 |
| DEP | 10169501 |
| Reference | {Deposit:: PEARRE N HEYL A U S G S BUL 1082K PGS 756-757}{Deposit:: JERMAIN J D CONFIDENTIAL WAR MINERAL REPORT REGIONAL FILE 35}{Deposit:: SINGEWALD J THE CHROME ORES OF MARYLAND MARYLAND GEOL SUR VO}{Deposit:: PEARRE N HEYL A PA GEOL SUR IC 14 PG 16 1959}{Deposit:: KNOPF E USGS BULL 725B PG 96 1921} |
| Reporter | Harrison |