Monolith Portland Cement Co.

Producer in Kern county in California, United States with commodities Clay, Limestone, General
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 10285324
MAS/MILS ID 0060290691
Record type Site
Current site name Monolith Portland Cement Co.
Alternate or previous names Monolith-Calif Portland Cement

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -118.35921, 35.00669 (WGS84)
Elevation 1390
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Kern(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Monolith(quadrangle 1:24,000 scale)

Tehachapi(quadrangle 1:100,000 scale)

Bakersfield(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Antelope-Fremont Valleys(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Kern

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 011 N 014 W 34 SENWNW California

Comments on the location information

  • ALSO LOCATED IN TOWNSHIP 11N, RNG 14W, SEC. 27,28 & 31.

Commodities

Commodity Importance
Clay Secondary
Limestone, General Primary

Nearby scientific data

Ore Body (1) -118.35921, 35.00669

Economic information

Economic information about the deposit and operations

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

Land status

Ownership category Unknown

Ownership information

  • Type Owner
    Owner Monolith Portland Cement Co.
    ID 400196
    Interest 100
    Home office California
    Year 1979

Reference information

Bibliographic references

  • Deposit

    CALIF. DIV. MINES AND GEOL., COUNTY REPORT 1, 1962, P. 225-

  • Deposit

    227.

Reporter information

Type Date Name Affiliation Comment
Reporter 31-MAR-1991 Raney, Russell G. 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 08/16/1976
MSHA mine ID0400196
Mine name (MSHA)Tehachapi Cement, LLC.
Current operatorUNACEM North America
Current controller (parent)UNACEM Corp S A A
Mine typeFacility (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.