USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Mariposa County
King Midas
Unconfirmed Gold Mixed Underground / Surface
Key facts
- State
- California
- County
- Mariposa
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Gold
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former Au mine located in sec. 8, T5S, R18E, MDM, 1.9 km (6,300 feet) ENE of Mount Bullion (near state highway 49), on private land. Discovered in 1925. Produced 1925 to 1928. Operated by J. N. Knight et al. (1927-1928). MRDS database stated accuracy…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 2 shaft symbols
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- USGS MRDS working type: Surface/Underground
- MRDS work_type documents underground workings: Surface/Underground · work_type
Verification
Unconfirmed
Source records support underground workings, but UndergroundMines has not yet independently verified this mine.
Why it's listed
Source records document both underground and surface mining.
History & operations
Historical record
- Development status: Past Producer
Operators / organizations
- J. N. Knight Et Al. · Historical operator
Commodities & minerals
Reported minerals
- Quartz
- Talc
- Gold
- Native Gold
- Quartz
- Talc
Access & recent conditions
- Land
- unknown
Community reports
No community field reports yet.
I Visited This MineSources & evidence
USGS Historical Topographic Mine Features
Type: Historical mapped physical features
Dataset: DOI 10.5066/P9TAALR6
Supports:
- mapped shaft symbols (2)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 82258
Supports:
- locality identity
- reported minerals (3)
A Mindat locality match does not by itself establish underground workings.
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