USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Tuolumne County
Unconfirmed Gold Underground
Mindat locality description
A former lode Au mine located in sec. 30, T1S, R16E, MDM, 0.4 km (1,200 feet) NNW of Big Oak Flat, on private land. MRDS database accuracy for this location is not stated. Mineralization is a vein deposit (Eureka - Mississippi vein) hosted in mica s…
USGS historical topographic mapping. Features may no longer exist.
Every underlying record used to build the summary above, for research/verification use.
Unconfirmed
Source records support underground workings, but UndergroundMines has not yet independently verified this mine.
USGS source data documents underground workings for this record.
No community field reports yet.
I Visited This MineType: Historical mine record
Supports:
Type: Historical mapped physical features
Dataset: DOI 10.5066/P9TAALR6
Supports:
Historical mapped features may no longer exist.
Type: Mineralogical locality database
Record: Mindat Locality: 97516
Supports:
A Mindat locality match does not by itself establish underground workings.
California · Tuolumne County
Unconfirmed Gold Past Producer Underground
Documented shaft/adit evidence
California · Tuolumne County
Unconfirmed Gold Producer Underground
Documented shaft/adit evidence
California · Tuolumne County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
California · Tuolumne County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available