USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Kern County
Yellow Aster Mine
Unconfirmed Silver Mixed Underground / Surface
Key facts
- State
- California
- County
- Kern
- Development status
- Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Silver
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Source classification: Underground operation documented
Specific physical workings are not yet documented in discrete records.
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 14 shaft symbols
- 7 adit 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: Producer
Operators / organizations
- Anglo-American Mining Corp. · Historical operator
- Yellow Astre Mining And Milling Co. · Source-reported owner
Commodities & minerals
Reported minerals
- Gold
Access & recent conditions
- Land
- mixed ownership
- Source
- Editorial review of public historic sources + USGS MRDS
- Access information last checked
- August 9, 2026
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 (14)
- mapped adit symbols (7)
Historical mapped features may no longer exist.
Editorial review of public historic sources + USGS MRDS
Type: Access / land-management source
Supports:
- access / lawful visit information
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