| Location: | Carroll County, Maryland, United States, North America |
| Lat / long: | 39.43813, -76.92997 |
| dep_id: | 10242703 |
| mrds_id: | W017504 |
| mas_id: | 240130004 |
| Commodity type: | metallic |
| Trace mineral: | Cobalt, Copper, Iron |
| Operation type: | Surface-Underground |
| Development status: | Past Producer |
| other_matl: | Actinolite, Bornite, Calcite, Carrollite, Chalcocite, Chalcopyrite, Chlorite, Covellite, Epidote, Gahnite, Hematite, Limonite, Magnetite, Malachite, Pyrite, Quartz, Siegenite, Sphalerite, Zoisite |
| Reporter: | Sapakoff |
| Year first produced: | 1749 |
| References: |
- Deposit:: BUREAU OF MINES, WAR MIN. MEMORANDUM, MINERAL HILLS MINE, CA
- Deposit:: CO, MARYLAND, REGIONAL FILE NO. E 296, FEB 1943. (CONFIDENTI
- Deposit:: CONFIDENTIAL WAR MIN REPT FILE, MISC. REPTS, MINERAL HILL MI
- Deposit:: CARROLL CO, MD.
- Deposit:: ESPENSHADE, GILBERT K., REPT. ON MARYLAND COPPER MINES AND P
- Deposit:: S, USGS, AUG 13, 1942 (CONFIDENTIAL) P.6.
- Deposit:: HEYL, ALLEN V, AND PEARRE, NANCY C, MD BOARD OF NAT RES MD G
- Deposit:: SUR BULL 28, 1965, PP 66.
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