Letha Mine

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

Name: Letha Mine

State:  Idaho

County:  Custer

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.


Satelite image of the Letha Mine

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

"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.