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California · Inyo County

Graham Jem

Unconfirmed Gold Mixed Underground / Surface 3 mapped shafts 3 mapped adits

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Key facts

State
California
County
Inyo
Development status
Past Producer
Mine type
Mixed underground / surface
Primary commodity
Gold
Verification
Unconfirmed

Mine Location

Approximate Area

Open in Mine Map

Documented underground workings

Mindat locality description

A former Au mine located in sec. 28, T22N, R4E, SBM, 2.7 km (1.7 miles) W of Epaulet Peak (coordinates of record), E of Virgin Spring Canyon, on National Park Service wilderness land (Death Valley National Park/Death Valley Wilderness) (located claim)…

View full locality record on Mindat

Additional documented workings

  • Shaft — documented in 3 source records.
    USGS Historical Topographic Mine Features
  • Adit — documented in 2 source records.
    USGS Historical Topographic Mine Features

Historical mapped workings

USGS historical topographic mapping. Features may no longer exist.

  • 3 shaft symbols
  • 3 adit symbols
  • Shaft : Confidence Hills , 1950
  • Adit : Confidence Hills , 1950
  • Shaft : Epaulet Peak , 1984
  • Shaft : Epaulet Peak , 1984
  • Adit : Epaulet Peak , 1984
View individual source records (7)

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

  • Adit
    Mapped on historical USGS topographic data (Adit). Historical map features may no longer exist in the field.
  • Adit
    Mapped on historical USGS topographic data (Adit). Historical map features may no longer exist in the field.
  • Shaft
    Mapped on historical USGS topographic data (Mine Shaft). Historical map features may no longer exist in the field.
  • Shaft
    Mapped on historical USGS topographic data (Mine Shaft). Historical map features may no longer exist in the field.
  • Shaft
    Mapped on historical USGS topographic data (Mine Shaft). Historical map features may no longer exist in the field.
  • 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.

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Why it's listed

Source records document both underground and surface mining.

View sources & evidence

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 Mine

Sources & evidence

USGS Mineral Resources Data System

Type: Historical mine record

Supports:

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

USGS Historical Topographic Mine Features

Type: Historical mapped physical features

Dataset: DOI 10.5066/P9TAALR6

Supports:

  • mapped shaft symbols (3)
  • mapped adit symbols (3)

Historical mapped features may no longer exist.

Dataset information

Mindat

Type: Mineralogical locality database

Record: Mindat Locality: 78865

Supports:

  • locality identity

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

View on Mindat

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