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Bare Hills Copper Mine (Smith Avenue Copper Mine), Bare Hills, Baltimore Co., Maryland, USA

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Latitude & Longitude (WGS84): 39° 22' 39'' North , 76° 39' 54'' West
Latitude & Longitude (decimal): 39.3775509072, -76.6649751734
Other regions containing this locality:North America

A copper mine located about 1 mile NW of Mt Washington and about 3 miles NW of Baltimore. Started 1845 and closed 1880. Reopened during the period 1905. Owned by the Bare Hills Mining Co. Host rock is hornblende gneiss. Produced 32,500 tons of 18% Cu. Workings featured a 600 foot shaft, later deepened to 900 feet.

Mineral List

30 valid minerals.

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Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Maryland Geological Survey, 92 p.

Zodac, Peter (1946) Bare Hills Copper Mine: Rocks and Minerals: 21(3): 144-145.

Heyl, A. & Pearre, N (1965) Copper, zinc, lead, iron cobalt and barite deposits of the Piedmont Upland in Maryland: Maryland Geological Survey: Bulletin 28: 60-63.

Moore, H.C. (1994) A brief history of the copper mine at Bare Hills, Maryland: Matrix: 3 (4&5): 93-97.

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