USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Sacramento County
Gray Wing Extension
Unconfirmed Gold Underground
Key facts
- State
- California
- County
- Sacramento
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Gold
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former Au mine located in sec. 32, T10N, R8E, MDM, 4.5 km (2.8 miles) E of Folsom, on the divide between Willow Creek and Blue Ravine, on the Broder Ranch, on private land. MRDS database stated accuracy for this location is 1,000 meters. Local roc…
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- Derived from MRDS oper_type (existing operation): Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Underground · oper_type
Verification
Unconfirmed
Source records support underground workings, but UndergroundMines has not yet independently verified this mine.
Why it's listed
USGS source data documents underground workings for this record.
History & operations
Historical record
- Development status: Past Producer
Commodities & minerals
Access & recent conditions
- Land
- unknown
Community reports
No community field reports yet.
I Visited This MineSources & evidence
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 87713
Supports:
- locality identity
A Mindat locality match does not by itself establish underground workings.
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