The Richmond Hill is a gold mine located in Lawrence county, South Dakota at an elevation of 5,577 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: 5,577 Feet (1,700 Meters)
Commodity: Gold
Lat, Long: 44.3917, -103.85420
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.
Richmond Hill MRDS details
Site Name
Primary: Richmond Hill
Commodity
Primary: Gold
Location
State: South Dakota
County: Lawrence
District: Lead District
Land Status
Land ownership: Mixed
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.
Holdings
Not available
Workings
Type: Surface
Ownership
Owner Name: Lac Minerals Ltd.
Percent: 100.0
Home Office: Canada
Info Year: 1991
Production
Not available
Deposit
Record Type: Site
Operation Category: Plant
Plant Type: Leach
Operation Type: Surface
Mining Method: Open Pit
Milling Method: Hydrometallurgy Unspecified
Years of Production:
Organization:
Significant: Y
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
Not available
Analytical Data
Not available
Materials
Not available
Comments
Comment (Production): HEAP LEACHING OPERATION. EXPECTED PROD. START IN 4TH QTR 1988. EXPECTED ANNUAL PROD. OF 40,000 OZ AU. 1989 (FIRST FULL YR) PROD. = 44,603 OZ AU FROM LEACHING OF 1,004,956 MT ORE. 1989 RESERVE = ONLY 142,000 CONT.OZ.AU. PROPERTY WILL NOT BE ANALYZED FOR THE 1992 AU AVAILABILITY STUDY MINE PERMANENTLY CLOSED IN DECEMBER 1993. 333,305 GRAMS GOLD AND 489,725 GRAMS SILVER PRODUCED IN 1993. (LAC 1993 ANN REPORT, P. 26.) MINE RECLAMATION COMMENCED IN 1994.
References
Reference (Reserve-Resource): LAC MINERALS 1991 ANN.REP.
The Top Ten Gold Producing States
These ten states contributed the most to the gold production that built the West from 1848 through the 1930s. The Top Ten Gold Producing States.
