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California · Mariposa County

Three Tree

Unconfirmed Gold Underground

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Key facts

State
California
County
Mariposa
Development status
Past Producer
Mine type
Underground
Primary commodity
Gold
Verification
Unconfirmed

Mine Location

Approximate Area

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Documented underground workings

Mindat locality description

A former lode Au mine located in sec. 28, T4S, R16E, MDM, 5.9 km (3.7 miles) ESE of Webb Station, along the shore of the Cotton Arm, Lake McClure (Exchequer Reservoir) (4 miles N of Hornitos). Property consisted of private (patented) land, now inundate…

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

Commodities & minerals

Reported minerals

  • Quartz
  • Gold
  • Native Gold
  • Quartz

Access & recent conditions

Land
unknown

Community reports

No community field reports yet.

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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: 82552

Supports:

  • locality identity
  • reported minerals (2)

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

View on Mindat

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