1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Boulder

Occurrence in El Dorado county in California, United States with commodity Gold
Map
XML
JSON
KML
D
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. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10029709
MRDS ID M007431
Record type Site
Current site name Boulder

Geographic coordinates

Geographic coordinates: -121.01214, 38.83156 (WGS84)
Elevation 354
Relative position SE1/4 NW1/4.

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pilot Hill(quadrangle 1:24,000 scale)

Sacramento(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 011N 009E 06 California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

(1) -121.01214, 38.83156
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Pilot Hill Mining Co.

Comments on the production information

  • WORKED IN 1936. YIELD WAS 13 TO 60 CENTS PER YARD.

Comments on the workings information

  • POWER SHOVEL; STATIONARY WASHING PLANT.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 52, NO. 4,P. 544; V. 34, NO. 3, P. 243, PL. II

  • Deposit

    FOLIO 5

General comments

Subject category Comment text
Deposit AREA OF 30 ACRES; LOCATED AT PILOT HILL.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey

Beyond USGS

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

External references

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.