The Duggan's Shaft is a lead and silver mine located in Pennington county, South Dakota at an elevation of 5,000 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: 5,000 Feet (1,524 Meters)
Commodity: Lead, Silver
Lat, Long: 44.07944, -103.57278
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.
Duggan's Shaft MRDS details
Site Name
Primary: Duggan's Shaft
Secondary: Duggan's Prospects
Commodity
Primary: Lead
Primary: Silver
Secondary: Gold
Location
State: South Dakota
County: Pennington
District: Silver City 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
Not available
Ownership
Owner Name: John Duggan
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
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: Schist
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Schist
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Analytical Data
Analytical Data: ASSAY INDICATES 0.02 OZ. GOLD, 4 OZ. SILVER, 3% LEAD
Materials
Ore: Galena
Ore: Pyrite
Gangue: Quartz
Comments
Comment (Location): NW 1/4
Comment (Workings): DEVELOPMENT FOLLOWED A 6 IN. VEIN
References
Reference (Deposit): U.S. BUREAU OF MINES, 1954, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688
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