Plaster City Pit and Mill

Producer in Imperial county in California, United States with commodity Gypsum-Anhydrite
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 10285490
MAS/MILS ID 0060259001
Record type Site
Current site name Plaster City Pit and Mill

Geographic coordinates

Point of reference Plant
Geographic coordinates: -115.86052, 32.79287 (WGS84)
Elevation 29
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Imperial(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Plaster City(quadrangle 1:24,000 scale)

El Centro(quadrangle 1:100,000 scale)

El Centro(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salton Sea(hydrologic accounting unit)

Southern Mojave-Salton Sea(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Imperial

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 016 S 011 E 08 SENW California

Commodities

Commodity Importance
Gypsum-Anhydrite Primary

Nearby scientific data

Plant (1) -115.86052, 32.79287

Economic information

Economic information about the deposit and operations

Operation type Processing Plant
Development status Producer
Commodity type Non-metallic
Significant No

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner U.S. Gypsum Co.
    ID 400915
    Home office California
    Year 1991

Reference information

Bibliographic references

  • Deposit

    MSHA.

  • Deposit

    CALIF. DIV. MINES AND GEOL. ACTIVE MINES DATABASE (1991).

Reporter information

Type Date Name Affiliation Comment
Reporter 20-MAY-1992 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)

StatusActive since 09/15/1973
MSHA mine ID0400915
Mine name (MSHA)PLASTER CITY QUARRY
Current operatorUnited States Gypsum Company
Current controller (parent)USG Corporation
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.

Authoritative California resources

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