USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · San Bernardino County
Unconfirmed Bentonite Mixed Underground / Surface
Mindat locality description
A former clay (bentonite) deposit/mine located in the SE¼NW¼SE¼ sec. 14, T10N, R2E, SBM, about 6.4 km NE of Yermo, on the SE tip of the Calico Range. MRDS database stated accuracy for this location is 10 meters. Local rocks include Plio-Pleistocene …
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: 89255
Supports:
A Mindat locality match does not by itself establish underground workings.
California · San Bernardino County
Unconfirmed Bentonite Past Producer
Historical mapped workings available
California · San Bernardino County
Unconfirmed Bentonite Past Producer
Documented shaft evidence
California · San Bernardino County
Unconfirmed Bentonite Past Producer
Historical mapped workings available
California · San Bernardino County
Unconfirmed Bentonite Past Producer
Documented adit evidence