Mine detail: Mineral Hill Mine

Previously called ''

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Location

Lat / long: 39.43813, -76.92997

Resource(M)

Tertiary: Cobalt, Copper, Iron
Other material: Actinolite, Bornite, Calcite, Carrollite, Chalcocite, Chalcopyrite, Chlorite, Covellite, Epidote, Gahnite, Hematite, Limonite, Magnetite, Malachite, Pyrite, Quartz, Siegenite, Sphalerite, Zoisite

Production

Operation type: Surface-Underground
Development status: Past Producer
First production started: 1749

Geology

References

MRDSW017504
MAS240130004
DEP10242703
Reference{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.}
ReporterSapakoff