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California · Shasta County

Olson Dredge

Unconfirmed Gold Mixed Underground / Surface

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Key facts

State
California
County
Shasta
Development status
Past Producer
Mine type
Mixed underground / surface
Primary commodity
Gold
Verification
Unconfirmed

Mine Location

Approximate Area

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Documented underground workings

Mindat locality description

A former placer (dredge) Au mine located in sec. 36, T31N, R5W, MDM, 1.4 km (4,600 feet) SSW of Girvan, S of Rock Creek. MRDS database stated accuracy for this location is 1,000 meters. Local rocks include Plio-Pleistocene and Pliocene loosely conso…

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View individual source records (2)

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

  • 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.

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History & operations

Historical record

  • Development status: Past Producer

Commodities & minerals

Reported minerals

  • Native Gold

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

Mindat

Type: Mineralogical locality database

Record: Mindat Locality: 92840

Supports:

  • locality identity
  • reported minerals (1)

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

View on Mindat

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Documented adit evidence