Mine detail: Humphrey Quarry

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Location: Baltimore County, Maryland, United States, North America
Lat / long: 39.31673, -76.79357
dep_id: 10232649
mas_id: 240050142
Commodity type: nonmetallic
Major mineral: Feldspar
Operation type: Surface
Development status: Past Producer
Reporter: Eastern Field Operations Center (EFOC)
References:
  • Deposit:: SINGEWALD, JR, J T, 1928, MD.G.S. VOL 12, PART 2, P. 112.
  • Deposit:: FOR LOCATION SEE MAP ATTACHED TO OURSLER QUARRY,CARROLL CO.-
  • Deposit:: AS NO.23.
  • Deposit:: PEARRE, NANCY C, 1961, USGS MIN INV RES MAP MR-12.
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