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Arizona · Cochise County

Harper Mine

Unconfirmed Tungsten Mixed Underground / Surface 1 mapped shaft 6 mapped adits

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Key facts

State
Arizona
County
Cochise
Mining district
New Reef
Development status
Past Producer
Mine type
Mixed underground / surface
Primary commodity
Tungsten
Verification
Unconfirmed

Mine Location

Approximate Area

Open in Mine Map

Documented underground workings

Mindat locality description

A former small surface and underground Au-Ag-W-Cu-Pb mine located on 2 unpatented claims in South-central sec. 30, T.23S., R.20E., lower Bear Canyon, at approximately 6,000 feet of altitude, on private land. First produced 1900. Owned by the Tungsten M…

View full locality record on Mindat

Additional documented workings

  • Adit — documented in 1 source record.
    USGS Historical Topographic Mine Features
  • Shaft — documented in 1 source record.
    USGS Historical Topographic Mine Features

Historical mapped workings

USGS historical topographic mapping. Features may no longer exist.

  • 1 shaft symbol
  • 6 adit symbols
  • Adit : Miller Peak , 1958
  • Shaft : Miller Peak , 1958
View individual source records (4)

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.
  • 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

Operators / organizations

  • MacNeil, Robert · Source-reported owner · 1993

Commodities & minerals

Reported minerals

  • Bornite
  • Calcite
  • Chalcopyrite
  • Galena
  • Malachite
  • Pyrite
  • Scheelite

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

USGS Historical Topographic Mine Features

Type: Historical mapped physical features

Dataset: DOI 10.5066/P9TAALR6

Supports:

  • mapped shaft symbols (1)
  • mapped adit symbols (6)

Historical mapped features may no longer exist.

Dataset information

Arizona Geological Survey / ADMMR

Type: Historical mine documents

Record: 1 historical document

Supports:

  • historical mine identity
  • historical mine documentation

Harper Mine

Historical documentation does not imply current access or open workings.

AZGS Mining Info

Mindat

Type: Mineralogical locality database

Record: Mindat Locality: 32748

Supports:

  • locality identity
  • reported minerals (7)

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

View on Mindat

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Historical mapped workings available