Grassely Claims

Unknown in Tuolumne county in California, United States with commodities Chromium, Iron
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. Mineral rights holdings
  11. Land status
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10117710
MAS/MILS ID 0061090849
Record type Site
Current site name Grassely Claims
Alternate or previous names Horseshoe 0061090034, Last Chance 0061090035, May Faction 0061090036, Morning Glory 0061090037

Geographic coordinates

Point of reference Claim
Geographic coordinates: -120.501, 37.89992 (WGS84)
Elevation 350
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

New Melones Dam(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Stanislaus(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Tuolumne

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001 N 013 E 25 N2 California

Commodities

Commodity Importance
Chromium Critical Primary
Iron Tertiary

Nearby scientific data

Claim (1) -120.501, 37.89992

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Commodity type Metallic
Significant No
Year of first production 1918

Mining district

District name Peoria Flat

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Grassley, Eugene
    Interest 100
    Home office California
    Year 1978

Reference information

Bibliographic references

  • Deposit

    CALIFORNIA DIV. OF MINES AND GEOLOGY BULLETIN 134, PT. 3,

  • Deposit

    CHAPTER 1, P. 26-29, PLATE 1.

  • Deposit

    CALIFORNIA DIV. OF MINES AND GEOLOGY SPECIAL REPORT 41,

  • Deposit

    P. 55, PLATES 2 AND 4.

Reporter information

Type Date Name Affiliation Comment
Reporter 23-SEP-1994 Baker U.S. Bureau of Mines

Beyond USGS

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

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.