The Letha Mine is a gold mine located in Custer county, Idaho at an elevation of 6,601 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: 6,601 Feet (2,012 Meters)
Commodity: Gold
Lat, Long: 44.3922, -114.71830
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.
Letha Mine MRDS details
Site Name
Primary: Letha Mine
Commodity
Primary: Gold
Tertiary: Silver
Location
State: Idaho
County: Custer
District: Yankee - Fork District
Land Status
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 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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Underground
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Salmon River Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Tuff
Role: Associated
Age Type: Associated Rock Unit
Age Young: Miocene
Name: Tuff
Role: Associated
Age Type: Host Rock
Age Young: Miocene
Name: Tuff
Role: Associated
Age Type: Associated Rock
Age Young: Miocene
Analytical Data
Not available
Materials
Not available
Comments
Comment (Deposit): 2 Systems of Parallel Veins In District; Letha Is Southward Extension of Eastern System
Comment (Production): $60,000
References
Reference (Deposit): U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-3, No. 434, P. 208.
Reference (Production): Umpleby, J. B., 1913, USGS Bulletin 539, P. 87
Reference (Deposit): Anderson, A. L., 1949, Silver - Gold Deposits Of The Yankee Fork District, Custer County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 83, 37 P.
Reference (Deposit): Umpleby, J. B., 1913, Some Ore Deposits In Northwestern Custer County, Idaho: USGS Bulletin 539, 104 P.
Reference (Deposit): 1913 Geolmap Umpleby, J. B., Bulletin 539
Idaho Gold
"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more: Where to Find Gold in Idaho.