Safety: Historic mine sites can be hazardous. Never enter abandoned workings without qualified supervision. Read full notice

California · San Bernardino County

Monarch Group

Unconfirmed Iron Mixed Underground / Surface 2 mapped shafts 5 mapped adits

Key facts

State
California
County
San Bernardino
Development status
Past Producer
Mine type
Mixed underground / surface
Primary commodity
Iron
Verification
Unconfirmed

Also known as

  • Moulton Mine, Red Cross Mine

Mine Location

Approximate Area

Open in Mine Map

Documented underground workings

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

Historical mapped workings

USGS historical topographic mapping. Features may no longer exist.

  • 2 shaft symbols
  • 5 adit symbols
  • Adit : Whipple Wash , 1970
View individual source records (3)

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.
  • 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.

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

  • Federal Government-Bureau Of Land Management · Source-reported owner · 1976

Commodities & minerals

Reported minerals

  • Calcite
  • Hematite
  • Jasper
  • Psilomelane
  • Pyrolusite

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 (2)
  • mapped adit symbols (5)

Historical mapped features may no longer exist.

Dataset information

Related underground mines

Beck

California · San Bernardino County

Unconfirmed Iron Occurrence Underground

Historical mapped workings available

Cave Canyon Mine

California · San Bernardino County

Unconfirmed Iron Past Producer

Historical mapped workings available

Mary-Ellen

California · Imperial County

Unconfirmed Manganese Past Producer

Copper World Mine

California · San Bernardino County

Unconfirmed Iron Past Producer