Arizona · Pinal, Maricopa County

Mammoth Group

Unconfirmed Gold Underground 1 mapped shaft 1 mapped adit

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Key facts

State: Arizona
County: Pinal, Maricopa
Development status: Past Producer
Mine type: Underground
Primary commodity: Gold
Verification: Unconfirmed

Also known as

Young Mines

Mine Location

Approximate Area

Open in Mine Map

Documented underground 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
1 adit symbol

Adit : Goldfield , 1956
Shaft : Goldfield , 1956

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.

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.

View sources & evidence

History & operations

Historical record

Development status: Past Producer

Commodities & minerals

Reported minerals

Limonite
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

USGS Historical Topographic Mine Features

Type: Historical mapped physical features

Dataset: DOI 10.5066/P9TAALR6

Supports:

mapped shaft symbols (1)
mapped adit symbols (1)

Historical mapped features may no longer exist.

Dataset information

Related underground mines

Bulldog Mine

Arizona · Pinal County

Source Corroborated Gold Producer Underground

Documented shaft evidence