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California · Amador County

Bull Run

Unconfirmed Copper Underground

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Key facts

State
California
County
Amador
Development status
Past Producer
Mine type
Underground
Primary commodity
Copper
Verification
Unconfirmed

Mine Location

Approximate Area

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Documented underground workings

Mindat locality description

A former Cu mine located in sec. 15, T5N, R10E, MDM, 2.0 km (1.2 miles) WNW of Chrome Mountain (coordinates of record) (3 miles E of Buena Vista), on private land. Now owned by the East Bay Municipal Utility Authority (Pardee Reservoir land), Oakland, …

View full locality record on Mindat

View individual source records (2)

Every underlying record used to build the summary above, for research/verification use.

  • USGS MRDS working type: Underground
  • MRDS work_type documents underground workings: Underground · work_type

Verification

Unconfirmed

Source records support underground workings, but UndergroundMines has not yet independently verified this mine.

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Why it's listed

USGS source data documents underground workings for this record.

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History & operations

Historical record

  • Development status: Past Producer

Operators / organizations

  • East Bay Municipal Utility District · Historical operator

Commodities & minerals

Reported minerals

  • Chalcopyrite

Access & recent conditions

Land
unknown

Community reports

No community field reports yet.

I Visited This Mine

Sources & evidence

USGS Mineral Resources Data System

Type: Historical mine record

Supports:

  • mine identity
  • development status
  • commodities
  • underground eligibility evidence

Mindat

Type: Mineralogical locality database

Record: Mindat Locality: 73513

Supports:

  • locality identity
  • reported minerals (1)

A Mindat locality match does not by itself establish underground workings.

View on Mindat

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