The Mass Mine is a silver mine located in Lewis and Clark county, Montana at an elevation of 4,360 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Elevation: 4,360 Feet (1,329 Meters)
Primary Mineral: Silver
Lat, Long: 46.6872, -112.12250
Map: View on Google Maps
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Mass Mine MRDS details
Primary: Mass Mine
County: Lewis and Clark
Land ownership: Unknown
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Record Type: Site
Operation Category: Unknown
Operation Type: Underground
Mining Method: Unknown
Years of Production:
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Reference (Deposit): SEVEN MILE DISTRICT, 7 MI. NW OF HELENA & 2 MI. NE OF BIRDSE
Reference (Deposit): MBM G MEM 20, 1940 P.53