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  3. Mineral Resource Data System (MRDS)

Dewey Group

Past Producer in Los Angeles 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Land status
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10139582
MRDS ID W024099
MAS/MILS ID 0060370140
Record type Site
Current site name Dewey Group
Related records 10076842

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -118.0876, 34.38501 (WGS84)
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

Los Angeles(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pacifico Mountain(quadrangle 1:24,000 scale)

Los Angeles(quadrangle 1:100,000 scale)

Los Angeles(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Los Angeles(hydrologic unit)

Ventura-San Gabriel Coastal(hydrologic accounting unit)

Southern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Angeles National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Los Angeles

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004 N 012 W California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Ore Body (1) -118.0876, 34.38501
ListMap

Economic information

Economic information about the deposit and operations

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

Land status

Ownership category Unknown

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES AND GEOL., V. 33, 1937, P. 181.

  • Deposit

    CALIF. JOUR. MINES AND GEOL., V. 50, 1954, P. 620.

Reporter information

Type Date Name Affiliation Comment
Reporter 31-MAR-1991 Ridenour, James 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.