USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Sierra County
Unconfirmed Gold Mixed Underground / Surface 2 mapped adits
Mindat locality description
A former lode Au occurrence/mine located in the NE¼ sec. 9, T18N, R10E, MDM, 1.7 km (1.1 miles) SE of Mack House and about 1½ miles SSW of Alleghany, on private land within a National Forest area. MRDS database stated accuracy for this location is 100 …
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.
Source records document both underground and surface mining.
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: 93552
Supports:
A Mindat locality match does not by itself establish underground workings.
California · Sierra County
Unconfirmed Gold Past Producer Underground
California · Sierra County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
California · Sierra County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
California · Sierra County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available