Mine Directory

Search MSHA Registered Mine Sites

Mining Sentry keeps an up-to-date directory of surface and underground mines across the United States. Use the filters below to quickly locate a quarry, pit, or plant and click through to see the full operator details.

Showing 3401 - 3425 of 5241 mines

  • Omya Arizona

    Superior, Arizona

    Operator: Omya Inc

    MSHA ID: 0202614

    ActiveSurfaceSIC Crushed, Broken Marble
  • Omya California

    Lucerne Valley, California

    Operator: Omya Inc.

    MSHA ID: 0400167

    ActiveSurfaceSIC Crushed, Broken Limestone NEC
  • O-N Minerals - Calcite Operation

    ROGERS CITY, Michigan

    Operator: O-N Minerals (Michigan) Company

    MSHA ID: 2000062

    ActiveSurfaceSIC Crushed, Broken Limestone NEC
  • O-N Minerals, Cedarville Operation

    Cedarville, Michigan

    Operator: O-N Minerals (Michigan) Company

    MSHA ID: 2000061

    ActiveSurfaceSIC Crushed, Broken Limestone NEC
  • O'Neal Quarry

    Plymouth, Illinois

    Operator: R L O'Neal & Sons Inc

    MSHA ID: 1100154

    ActiveSurfaceSIC Crushed, Broken Limestone NEC
  • O'Neal Quarry & Mill

    Calera, Alabama

    Operator: Lhoist North America of Alabama, LLC

    MSHA ID: 0100003

    ActiveSurfaceSIC Lime
  • Onslow Quarry

    Raleigh, North Carolina

    Operator: Martin Marietta Materials Inc

    MSHA ID: 3102120

    ActiveSurfaceSIC Crushed, Broken Limestone NEC
  • OR-AL Quarries, Inc

    Hanover, Kansas

    Operator: OR-AL Quarries, Inc.

    MSHA ID: 1401608

    ActiveSurfaceSIC Crushed, Broken Limestone NEC
  • ORAL SAND PLANT

    Rapid City, South Dakota

    Operator: Pete Lien & Sons Inc/Sand & Gravel Division

    MSHA ID: 3900513

    ActiveSurfaceSIC Construction Sand and Gravel
  • Orange County Operation

    SAN JUAN CAPISTRANO, California

    Operator: Lapeyre Industrial Sands Inc

    MSHA ID: 0402801

    ActiveSurfaceSIC Sand, Industrial NEC
  • ORANGE GROVE

    Tucson, Arizona

    Operator: CalPortland Company

    MSHA ID: 0201203

    ActiveSurfaceSIC Construction Sand and Gravel
  • Orange Strip

    Dexter City, Ohio

    Operator: B & N Coal Inc

    MSHA ID: 3301925

    ActiveSurfaceSIC Coal (Bituminous)
  • Orbisonia Quarry

    New Enterprise, Pennsylvania

    Operator: New Enterprise Stone & Lime Co., Inc.

    MSHA ID: 3600198

    ActiveSurfaceSIC Crushed, Broken Limestone NEC
  • Orchard Loadout

    Daniels, West Virginia

    Operator: Tams Management, Inc

    MSHA ID: 4604734

    ActiveFacilitySIC Coal (Bituminous)
  • Oregon Plant

    Oregon, Illinois

    Operator: Covia Solutions Inc.

    MSHA ID: 1101579

    ActiveSurfaceSIC Crushed, Broken Sandstone
  • Organ Quarry

    Organ, New Mexico

    Operator: Toro Rock Products

    MSHA ID: 2902295

    ActiveSurfaceSIC Crushed, Broken Stone NEC
  • Oriental Sand and Gravel Inc

    San Juan, Puerto Rico

    Operator: Oriental Sand and Gravel Inc

    MSHA ID: 5400428

    ActiveSurfaceSIC Crushed, Broken Stone NEC
  • Oriskany Falls Plant

    Nedrow, New York

    Operator: Hanson Aggregates New York LLC.

    MSHA ID: 3000040

    ActiveSurfaceSIC Crushed, Broken Limestone NEC
  • Orla # 1866

    FERRIS, Texas

    Operator: ACG Materials

    MSHA ID: 4104958

    ActiveSurfaceSIC Crushed, Broken Limestone NEC
  • Orland Plant

    Chico, California

    Operator: Knife River Const.

    MSHA ID: 0405156

    ActiveSurfaceSIC Construction Sand and Gravel
  • Ormrod Quarry

    New Enterprise, Pennsylvania

    Operator: New Enterprise Stone & Lime Co., Inc.

    MSHA ID: 3604646

    ActiveSurfaceSIC Crushed, Broken Limestone NEC
  • Oro Grande Pit

    Hesperia, California

    Operator: Agcon Inc.

    MSHA ID: 0404916

    ActiveSurfaceSIC Construction Sand and Gravel
  • Oro Grande Quarry

    Oro Grande, California

    Operator: CalPortland

    MSHA ID: 0400011

    ActiveFacilitySIC Cement
  • Orosi Quarry

    Arroyo Grande, California

    Operator: Papich Construction Company Inc

    MSHA ID: 0405727

    ActiveSurfaceSIC Construction Sand and Gravel
  • Ortona Sand Co

    LAKE WALES, Florida

    Operator: E R Jahna Industries Inc

    MSHA ID: 0800394

    ActiveSurfaceSIC Construction Sand and Gravel
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