Facts
- MSHA status
- Non-producing since Dec 12, 2022
- Type
- Underground
- County
- Boulder County
- State
- Colorado
- Land status (BLM data)
- Private land or land not mapped as public
- Nearest town
- Nederland
- Employees reported
- 12
- Operator
- Grand Island Resources, LLC
- Coordinates
- 39.9775, -105.5719
- MSHA mine ID
- 0502430
Source: MSHA Mines data set, retrieved 2026-10-13. Status and counts can lag real operations.
Land status comes from the BLM Surface Management Agency dataset and can be out of date. Check ownership before you go near any mine site.
History and geology (USGS)
- USGS site name
- Idaho Mine
- USGS status
- Producer
- Commodities
- Gold, Silver
Matched by location to the USGS Mineral Resources Data System record 10017185 (retrieved 2026-10-13). The database was last updated around 2011, so history may be out of date.
Other gold mines under the same operator
- Consolidated Caribou District Boulder County, CO
Gold mines nearby
- Consolidated Caribou District 0 mi · non-producing
- Bates-Hunter Mine 13 mi · non-producing
- Alma Placer 55 mi · intermittent
- Hector Placer Mine 55 mi · intermittent
- Snowstorm 56 mi · active
- Box Creek Placer 73 mi · intermittent
- Willow Creek Mine 73 mi · intermittent
- Cripple Creek and Victor Gold Mining Com 88 mi · active