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  3. Mineral Resource Data System (MRDS)

Lewis

Past Producer in Tuolumne county in California, United States with commodity Gold
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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. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10034573
MRDS ID M021406
Record type Site
Current site name Lewis
Related records 10117122

Geographic coordinates

Geographic coordinates: -120.37044, 38.00824 (WGS84)
Relative position TWO MILES N. OF SONORA, ON W. SLOPE OF BALD MOUNTAIN.

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Columbia SE(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Tuolumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Tuolumne

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002N 015E 19 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Nearby scientific data

(1) -120.37044, 38.00824
ListMap

Economic information

Ore body information

  • General form PINCH AND SWELL
    Strike N 60 E
    Dip 65 NW

Comments on the geologic information

  • GEOL.DESC: QUARTZ VEIN IS 8 INCHES TO 2 FT. THICK

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Comments on the workings information

  • INCLINED SHAFT 200 FT.; AND FOUR DRIFT ADITS, THE LOWEST BEING 1200 FT.

Reference information

Bibliographic references

  • Deposit

    TUCKER, W. B., 1914 , TUOLUMNE COUNTY: CMB REPT. 14 , P. 154

General comments

Subject category Comment text
Deposit NO OTHER INFORMATION FOUND.
Deposit POCKET MINE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1978 Albers, J. U.S. Geological Survey

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.