USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · Butte County
Rotten Boulder Drift Mine
Mindat Confirmed Gold Underground
Key facts
- State
- California
- County
- Butte
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Gold
- Verification
- Mindat Confirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former drift Au mine located in the SW¼ sec. 20, T22N, R4E, MDM, 2.9 km (9,500 feet) WNW of Deadwood, along the West Branch Feather River. Operated by Edgar Knox, Magalia, California. MRDS database stated accuracy for this location is 500 meters. …
Additional documented workings
-
Drift
— documented in 1 source record,
noting 500 ft.
Mindat
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 2 shaft symbols
- 1 adit symbol
View individual source records (3)
Every underlying record used to build the summary above, for research/verification use.
-
Drift
Documented in Mindat locality data. Evidence: A former drift Au mine located in the SW¼ sec. 20, T22N, R4E, MDM, 2.9 km (9,500 feet) WNW of Deadwood, along the West Branch Feather…
- Derived from MRDS oper_type (existing operation): Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Underground · oper_type
Verification
Mindat Confirmed
Mindat locality corroborates underground workings.
Why confirmed?
Mindat locality corroborates underground workings.
Why it's listed
USGS source data documents underground workings for this record.
History & operations
Historical record
- Development status: Past Producer
Commodities & minerals
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)
- mapped adit symbols (1)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 74313
Supports:
- locality identity
- underground workings
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