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  3. Mineral Resource Data System (MRDS)

Lime Mountain Quarry

Producer in San Luis Obispo county in California, United States with commodity Limestone, General
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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 10142306
MAS/MILS ID 0060790043
Record type Site
Current site name Lime Mountain Quarry
Alternate or previous names Lime Mountain Quarry and Mill, Lime Mountain Deposit, Limestone Mountain Quarry, Dalessi

Geographic coordinates

Point of reference Pit
Geographic coordinates: -120.98679, 35.66886 (WGS84)
Elevation 671
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

San Luis Obispo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lime Mountain(quadrangle 1:24,000 scale)

Paso Robles(quadrangle 1:100,000 scale)

San Luis Obispo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salinas(hydrologic unit)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California San Luis Obispo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 026 S 009 E 15 SWNW California

Commodities

Commodity Importance
Limestone, General Primary

Nearby scientific data

Pit (1) -120.98679, 35.66886
ListMap

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-Operator
    Owner Lime Mountain Co.
    ID 0400099
    Home office California
    Year 1990

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES AND GEOL. V. 43, 1947, P. 304-305.

  • Deposit

    MINOBRAS, 1973, SOUTHERN CALIFORNIA INDUSTRIAL MINERALS,

  • Deposit

    P. 91.

  • Deposit

    CALIF. DIV. MINES AND GEOL. SPECIAL PUBLICATION 103, 1990.

Reporter information

Type Date Name Affiliation Comment
Reporter 20-AUG-92 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 06/05/1981
MSHA mine ID0400099
Mine name (MSHA)Blue Mountain Minerals PR LLC
Current operatorBlue Mountain Minerals PR LLC
Current controller (parent)Portola Minerals Company
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.

External references

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.