GoldMaryland Mine, Cropley, Montgomery Co., Maryland, USA
Photo: Jake Slagle Latitude: 38°59'N
Longitude: 77°13'W
Ref.: Maryland Geological Survey, Vol. VIII (1909): 151; Rocks & Min.: 11:121; 14:301; 22:834. A gold mine owned by the Maryland Gold Mining Co. Started about 1867. Host rock is mica schist and gneiss. Workings featured a 210 foot (60 meter) deep shaft. Located about 1 mile East of Great Falls, near Bethesda and Silver Spring.
Mineral List
11 entries listed. 10 valid minerals.
The above list 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.
Mineral and Locality Search
