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Midland Quarry

Past Producer in Riverside county in California, United States with commodity Gypsum-Anhydrite
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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. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10116110
MRDS ID W024545
MAS/MILS ID 0060650210
Record type Site
Current site name Midland Quarry
Alternate or previous names Superior Gypsum Pit
Related records 10077108

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -114.8194, 33.88785 (WGS84)
Elevation 238
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Riverside(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Styx(quadrangle 1:24,000 scale)

Blythe(quadrangle 1:100,000 scale)

Salton Sea(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Mojave(hydrologic unit)

Southern Mojave(hydrologic accounting unit)

Southern Mojave-Salton Sea(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Riverside

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 003 S 021 E 30 SENENW California

Commodities

Commodity Importance
Gypsum-Anhydrite Primary

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Non-metallic
Significant No

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Superior Gypsum Inc.
    ID 404276
    Home office California
    Year 1979
  • Type Owner-Operator
    Owner Superior Gypsum Co.
    ID 404276
    Interest 100
    Home office California
    Year 1981

Reference information

Bibliographic references

  • Deposit

    CALIF. DIV. MINES AND GEOL. SPECIAL PUBLICATION 58, 1981,

  • Deposit

    P. 47.

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.

Current status (per MSHA)

StatusAbandoned since 03/31/1989
MSHA mine ID0404276
Mine name (MSHA)Quintana Gypsum Company
Current operatorQuintana Gypsum Company
Current controller (parent)Robertson Corbin J Jr
Mine typeSurface (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

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.