Guerra Quarry

Producer in San Luis Obispo county in California, United States with commodity Stone, Crushed/Broken
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 10262580
MAS/MILS ID 0060790349
Record type Site
Current site name Guerra Quarry
Alternate or previous names Guerra Pit

Geographic coordinates

Point of reference Pit
Geographic coordinates: -120.80288, 35.40687 (WGS84)
Location accuracy 1000(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

Morro Bay North(quadrangle 1:24,000 scale)

San Luis Obispo(quadrangle 1:100,000 scale)

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

Hydrologic units (watersheds)

Central Coastal(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 029 S 011 E 17 SENW California

Commodities

Commodity Importance
Stone, Crushed/Broken Primary

Nearby scientific data

Pit (1) -120.80288, 35.40687

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 Private

Ownership information

  • Type Owner-Operator
    Owner Guerra Quarry
    ID 0400120
    Home office California
    Year 1990

Reference information

Bibliographic references

  • Deposit

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

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1992 Lowe, Nathan T. 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 06/19/1979
MSHA mine ID0400120
Mine name (MSHA)Guerra Pit
Current operatorRobert Guerra
Current controller (parent)Guerra Robert
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.