Roy Coles Placer

The Roy Coles Placer is a gold mine located in Bonneville county, Idaho at an elevation of 5,200 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: Roy Coles Placer  

State:  Idaho

County:  Bonneville

Elevation: 5,200 Feet (1,585 Meters)

Primary Mineral: Gold

Lat, Long: 43.5972, -111.57390

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 Roy Coles Placer

Roy Coles Placer MRDS details

Site Name

Primary: Roy Coles Placer
Secondary: Table Rock


Primary: Gold


State: Idaho
County: Bonneville
District: Antelope Flat Area

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.


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Record Type: Site
Operation Category: Past Producer
Deposit Type: Placer
Operation Type: Placer
Discovery Method: Unknown
Years of Production:
Significant: N
Deposit Size: S


General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Snake River Plain

Mineral Deposit Model

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Name: Gravel
Role: Host
Age Type: Host Rock Unit
Age Young: Holocene

Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene

Analytical Data

Analytical Data: $5 AU/CY FROM GRAVELS


Ore: Gold


Comment (Location): About 7.5 - 8 Mi Upstream From Heise Along S Bank Snake River, Location Approximate

Comment (Workings): 160 Acres


Reference (Deposit): Savage, C. N., 1961, Geology And Mineral Resources Of Bonneville County: Idaho Bureau Of Mines And Geology County Rept. No. 5, 108 P

Reference (Deposit): 1961 Recon Idaho Bureau Of Mines And Geology County Rept. No.

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.