Safety: Historic mine sites can be hazardous. Never enter abandoned workings without qualified supervision. Read full notice
UndergroundMines
Search Sign in Join Free

California · Kern County

Grandad Group

Unconfirmed Copper Underground

Save Mine I Visited Verify Flag Add to Trip

Key facts

State
California
County
Kern
Development status
Occurrence
Mine type
Underground
Primary commodity
Copper
Verification
Unconfirmed

Mine Location

Approximate Area

Open in Mine Map

Documented underground workings

Mindat locality description

A Cu prospect located in the approximate center of sec. 31, T28S, R39E, MDM, 2.1 km (1.3 miles) SSE of Black Mountain (coordinates of record) (13¼ miles NE of Cantil). MRDS database stated accuracy for this location is 100 meters. No other information …

View full locality record on Mindat

View individual source records (2)

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

  • 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.

Verify Mine Flag Mine

Why it's listed

USGS source data documents underground workings for this record.

View sources & evidence

History & operations

Historical record

  • Development status: Occurrence

Commodities & minerals

Reported minerals

  • Quartz
  • Copper Stain
  • Quartz

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

Mindat

Type: Mineralogical locality database

Record: Mindat Locality: 80053

Supports:

  • locality identity
  • reported minerals (2)

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

View on Mindat

Related underground mines

B. Copper Prospect

California · Kern County

Unconfirmed Copper Occurrence Underground

Documented shaft evidence

Colorado Camp Group

California · Kern County

Unconfirmed Copper Occurrence Underground

Documented shaft evidence

Copper King

California · Kern County

Unconfirmed Copper Occurrence Underground

Historical mapped workings available