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Arizona · Yuma County

Evening Star Mine

Multiple Sources Confirmed Gold Underground 4 mapped shafts 1 mapped adit

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Key facts

State
Arizona
County
Yuma
Development status
Past Producer
Mine type
Underground
Primary commodity
Gold
Verification
Multiple Sources Confirmed

Mine Location

Approximate Area

Open in Mine Map

Documented underground workings

  • Stope — documented in 6 source records, noting 100 ft.
    Arizona Geological Survey / ADMMR — "Evening Star Mine"
  • Raise — documented in 4 source records, noting 100 ft.
    Arizona Geological Survey / ADMMR — "Evening Star Mine"
  • Incline — documented in 2 source records, noting 75 ft deep.
    Arizona Geological Survey / ADMMR — "Evening Star Mine"
  • Shaft — documented in 2 source records.
    USGS Historical Topographic Mine Features
  • Adit — documented in 1 source record.
    USGS Historical Topographic Mine Features

Historical mapped workings

USGS historical topographic mapping. Features may no longer exist.

  • 4 shaft symbols
  • 1 adit symbol
  • Shaft : Kofa Butte , 1990
  • Shaft : Kofa Butte , 1990
  • Adit : Kofa Butte , 1990
View individual source records (17)

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.
  • Incline
    Documented in Arizona Geological Survey / ADMMR PDF (“Evening Star Mine”). Evidence: PDF: southwest. One shaft is 75' deep on the incline and the second is shallower. The two are…
  • Raise
    Documented in Arizona Geological Survey / ADMMR PDF (“Evening Star Mine”). Evidence: PDF: nnected to a 100' vertical shaft. Stope raises are being driven to connect 4 small stopes…
  • Raise
    Documented in Arizona Geological Survey / ADMMR PDF (“Evening Star Mine”). Evidence: PDF: ll stopes with the tunnel, one of these raises is connected and two others are near to co…
  • 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.
  • Stope
    Documented in Arizona Geological Survey / ADMMR PDF (“Evening Star Mine”). Evidence: PDF: nel connected to a 100' vertical shaft. Stope raises are being driven to connect 4 small…
  • Stope
    Documented in Arizona Geological Survey / ADMMR PDF (“Evening Star Mine”). Evidence: PDF: ses are being driven to connect 4 small stopes with the tunnel, one of these raises is co…
  • Stope
    Documented in Arizona Geological Survey / ADMMR PDF (“Evening Star Mine”). Evidence: PDF: "' ...... "v j';r. 1.. _. ___... _.... Stopes .. __ .. ______ l::._~.r...~---:'~-.-- ....…
  • Incline
    Evening Star Mine
  • Raise
    Evening Star Mine
  • Raise
    Evening Star Mine
  • Stope
    Evening Star Mine
  • Stope
    Evening Star Mine
  • Stope
    Evening Star Mine
  • Derived from MRDS oper_type (existing operation): Underground
  • MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Underground · oper_type

Verification

Multiple Sources Confirmed

Independent historical source evidence corroborates underground workings.

Why confirmed?

Confirmed by independent Arizona Geological Survey / ADMMR historical documentation describing underground workings, in addition to USGS MRDS catalog eligibility. Not a member field verification.

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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

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 (4)
  • mapped adit symbols (1)

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
  • documented workings

Evening Star Mine

Historical documentation does not imply current access or open workings.

AZGS Mining Info

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