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Arizona · Pima County

Jean E Group

Unconfirmed Manganese Mixed Underground / Surface 3 mapped shafts

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Key facts

State
Arizona
County
Pima
Development status
Past Producer
Mine type
Mixed underground / surface
Primary commodity
Manganese
Verification
Unconfirmed

Also known as

  • Black Bear Nos. 1 and 2

Mine Location

Approximate Area

Open in Mine Map

Documented underground workings

  • Shaft — 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
  • Shaft : Pan Tak , 1979
  • Shaft : Pan Tak , 1979
View individual source records (4)

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

  • 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.
  • USGS MRDS working type: Surface/Underground
  • MRDS work_type documents underground workings: Surface/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

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)

Historical mapped features may no longer exist.

Dataset information

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