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Twin Shafts

Past Producer in San Bernardino county in California, United States with commodities Gold, Silver
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Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Links to other databases
  11. Reporter information

Geologic information

Identification information

Deposit ID 10116900
MAS/MILS ID 0060713253
Record type Site
Current site name Twin Shafts

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -115.05502, 34.83942 (WGS84)
Elevation 840
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fenner Spring(quadrangle 1:24,000 scale)

Amboy(quadrangle 1:100,000 scale)

Needles(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Mojave(hydrologic unit)

Southern Mojave(hydrologic accounting unit)

Southern Mojave-Salton Sea(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 009 N 018 E 25 SWSWNW California

Commodities

Commodity Importance
Gold Primary
Silver Tertiary

Nearby scientific data

Main Entrance (1) -115.05502, 34.83942
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Located Claim

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 22-MAR-1993 Close, Terry J. U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.