Douglass Prospect

The Douglass Prospect is a copper mine located in Adams county, Idaho at an elevation of 7,001 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: Douglass Prospect  

State:  Idaho

County:  Adams

Elevation: 7,001 Feet (2,134 Meters)

Primary Mineral: Copper

Lat, Long: 45.1453, -116.64810

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 Douglass Prospect

Douglass Prospect MRDS details

Site Name

Primary: Douglass Prospect


Primary: Copper


State: Idaho
County: Adams
District: Seven Devils 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: Payette National Forest


Type: Located Claim


Not available


Owner Name: John L. Thompson


Not available


Record Type: Site
Operation Category: Prospect
Deposit Type: Contact Metamorphic
Operation Type: Unknown
Discovery Method: Unknown
Years of Production:
Significant: N
Deposit Size: S


General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Seven Devils Mountains

Mineral Deposit Model

Not available


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Not available


Not available


Name: Andesite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Triassic

Name: Andesite
Role: Associated
Age Type: Associated Rock
Age Young: Late Triassic

Analytical Data

Not available


Not available


Comment (Location): On Kinney Cr. Slope A Few Hundred Ft. Below Top Of White Monument Claim.

Comment (Development): Patented Claim. Adjoins White Monument Claim On The Sw.

Comment (Workings): Dump On Claim Site


Reference (Deposit): Livingston, D. C., And Laney, F. B., 1920, The Copper Deposits Of The Seven Devils And Adjacent Districts: Idaho Bureau Of Mines And Geology, Bulletin 1, P. 7

Reference (Deposit): 1920 Compile Idaho Bureau Of Mines And Geol., Bulletin

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 at Where to Find Gold in Idaho.