USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Riverside County
Langdon Mine
Unconfirmed Iron Mixed Underground / Surface
Key facts
- State
- California
- County
- Riverside
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Iron
- Verification
- Unconfirmed
Also known as
- Dioxide Group, Mabery and Brown, Arentz-Perkins, Hauser-Martin-Cheesborough
Mine Location
Approximate AreaDocumented underground workings
Source classification: Underground operation documented
Specific physical workings are not yet documented in discrete records.
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- Derived from MRDS oper_type (existing operation): Surface-Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Surface-Underground · oper_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
- U.S. Bureau Of Land Management · Source-reported owner · 1975
Commodities & minerals
Reported minerals
- Calcite
- Gypsum
- Hematite
- Psilomelane
- Rhodochrosite
Access & recent conditions
- Land
- unknown
Community reports
No community field reports yet.
I Visited This MineSources & evidence
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