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Brighton Dam Road Quarry (Howard-Montgomery Quarry), Howard Co., Maryland, USA

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Latitude & Longitude (WGS84): 39° 11' 44'' North , 76° 59' 9'' West
Latitude & Longitude (decimal): 39.1955555556, -76.9858333333


This quarry was in a somewhat schistose to gneissic phase of the Cockeysville Marble along the southern flank of the Clarksville gneiss dome. It was operated by the Howard-Montgomery Crushed Stone Company, a division of Contee Sand and Gravel. The Howard/Montgomery Quarry is now filled with water and is located in the middle of an upscale residential neighborhood. The grounds of the quarry are posted "No Trespassing."



Mineral List


14 valid minerals.

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Edwards, J. (1971) Directory of mineral producers in Maryland: Maryland Geological Survey Information Circular 11: 15.

MESA Health and Safety Inspection Report January 31 & February 1, 1972.

Bernstein, Lawrence (1980) Minerals of the Washington D. C. area: Maryland Geological Survey Educational Series 5, 148 p.

Mineral and/or Locality  
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