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Rocky Bar Estey

Occurrence in Placer 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. Mining district
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10032089
MRDS ID M012278
Record type Site
Current site name Rocky Bar Estey
Related records 10286185

Geographic coordinates

Geographic coordinates: -120.91936, 39.09183 (WGS84)
Elevation 320
Relative position 3 MI. E. OF COLFAX AND 1/4 MILE BELOW THE IOWA HILL BRIDGE ON N. FORK AMERICAN RIVER. IN N1/2 OF SEC.?

Site location context

Political divisions (FIPS codes)

Placer(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Colfax(quadrangle 1:24,000 scale)

Truckee(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

USBR(Federal land areas administered by USBR)

Geographic areas

Country State County
United States California Placer

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 014N 009E 01 California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

(1) -120.91936, 39.09183
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: PLACER - CLAIMS INCLUDE BENCH GRAVELS ALONG THE RIVER.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Colfax

Ownership information

  • Type Owner
    Owner O. L. Estey
    First year 1935

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 32, NO. 1, 1936, P. 95

  • Deposit

    USGS FOLIO 66

  • Deposit

    DOM 15TH REPORT OF STATE MINERALOGIST, P. 383

General comments

Subject category Comment text
Deposit CLAIMS INCLUDE THE SWASTIKA, FIRST CHANCE, ROCKY BAR, AND ROCKY BAR EXT. GRAVELS SHOVELED INTO SLUICE BOXES AND WASHED WITH WATER PUMPED FROM RIVER; A DIVING SUIT USED TO RECOVER GOLD FROM DEEP POOLS IN RIVER BED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. 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.