The American Mining Company is a gold and silver mine located in Lawrence county, South Dakota at an elevation of 5,719 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.
Mine Info
Elevation: 5,719 Feet (1,743 Meters)
Commodity: Gold, Silver
Lat, Long: 44.37083, -103.89944
Map: View on Google Maps
Satelite View
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.
American Mining Company MRDS details
Site Name
Primary: American Mining Company
Secondary: Dacy Group
Secondary: Gossan Claim
Secondary: Gossan Fraction
Secondary: Eilenberg Fraction
Secondary: Flora E. Group
Secondary: Grenville Claim
Secondary: Eva H.
Secondary: Iva Claim
Secondary: Iva Fraction
Secondary: Norwich Claim
Secondary: Silver Tongue Claim
Secondary: Silver Tongue Fraction
Commodity
Primary: Gold
Primary: Silver
Location
State: South Dakota
County: Lawrence
District: Ragged Top District
Land Status
Land ownership: National Forest
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.
Administrative Organization: Black Hills National Forest
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: American Mining Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Year First Production: 1896
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Black Hills
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Mississippian
Name: Limestone
Role: Host
Age Type: Host Rock Unit
Age Young: Mississippian
Analytical Data
Not available
Materials
Ore: Silver
Ore: Gold
Gangue: Fluorite
Comments
Comment (Development): ECON.COM: NONCOMMERCIAL BELOW 15 M
Comment (Workings): DEPTH BELOW SURFACE FOR DACY AND FLORA E. SHAFTS. IN SPEARFISH CANYON NEAR THE MOUTH OF LONG VALLEY A SHAFT 70 M DEEP WAS SUNK AND DRIFTS EASTWARD TO THE DACY SHAFT EXTENDED 610 M.
Comment (Production): PRODUCED ONLY 1896 - 1898 .
References
Reference (Deposit): US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688
Reference (Production): US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .
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