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  3. Mineral Resource Data System (MRDS)

Rivers Chrome Mine

Occurrence in Humboldt county in California, United States with commodity Chromium
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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. Economic information about the deposit and operations
  10. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10030567
MRDS ID M008766
Record type Site
Current site name Rivers Chrome Mine
Related records 10236408

Geographic coordinates

Geographic coordinates: -123.69197, 41.37066 (WGS84)

Site location context

Political divisions (FIPS codes)

Humboldt(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fish Lake(quadrangle 1:24,000 scale)

Hoopa(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Klamath(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Six Rivers 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 Humboldt

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 011N 004E 02 California

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Nearby scientific data

(1) -123.69197, 41.37066
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Mrs. Dorothea Reddy Moroney

Comments on the production information

  • FIVE MEN EMPLOYED IN MAY, 1943. PROBABLY INCORRECT LOCATION ON UNSURVEYED LAND. MINE IS PROBABLY IN PROJ. SEC. 19, 11N/5E.

Comments on the workings information

  • INCLINED SHAFT ABOUT 90 FT. DEEP FOR AN AVERAGE WIDTH OF ABOUT 25 FEET.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOLOGY, V. 39, NO. 1, JAN. 1943, P. 78; V. 39, NO. 3, P. 325

  • Deposit

    USGS MR-26

  • Deposit

    CALIF. B. 134, PT. 1, CHAP. 3, P. 186, 188 AND PL. 19

General comments

Subject category Comment text
Deposit REPORTED TO HAVE BEEN PURCHASED BY DWIGHT PETTIGREW AND HARRY LUCAS IN JUNE 1943.

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.