The French Bar Placer is a sapphire mine located in Lewis and Clark county, Montana at an elevation of 3,799 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: 3,799 Feet (1,158 Meters)
Primary Mineral: Sapphire
Lat, Long: 46.6539, -111.75420
Map: View on Google Maps
French Bar Placer MRDS details
Primary: French Bar Placer
County: Lewis and Clark
District: Missouri River
Land ownership: Private
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 indicate a claim status and does not necessarily indicate an area is open to prospecting.
Owner Name: Mc Master, James
Company ID: 2401695
Home Office: Montana
Info Year: 1991
Record Type: Site
Operation Category: Producer
Operation Type: Placer
Mining Method: Alluvial Mining
Discovery Method: Ore-Mineral In Place
Years of Production:
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Reference (Deposit): MONTANA BUREAU OF MINES & GEOLOGY BULLETIN 100, 1976, P. 28.
Reference (Deposit): MONTANA BUREAU OF MINES & GEOLOGY BULLETIN 95, 1975.
Reference (Deposit): MSHA REPORT, NOVEMBER 1982.
Reference (Deposit): U.S. BUREAU OF MINES, 1994, DIRECTORY OF PRINCIPAL U.S.
Reference (Deposit): GEMSTONE PRODUCERS IN 1993; U.S. BUREAU OF MINES MINERAL
Reference (Deposit): INDUSTRY SURVEYS, P. 32.