{
  "@type": "dcat:Dataset",
  "accessLevel": "public",
  "accrualPeriodicity": "R/PT1S",
  "bureauCode": [
    "000:00"
  ],
  "contactPoint": {
    "@type": "vcard:Contact",
    "fn": "Victor Yu",
    "hasEmail": "mailto:yu.victor@dol.gov"
  },
  "dataQuality": true,
  "describedBy": "https://arlweb.msha.gov/OpenGovernmentData/DataSets/MineSProdQuarterly_Definition_File.txt",
  "describedByType": "text/plain",
  "description": "Contains employment and coal production reported by mine operators for each quarter in a calendar year, by subunit and mine ID. The subunit code identifies the location or operation of the mine relating to the: (01) Underground; (02) Surface at underground; (03) Strip, quarry, open pit; (04) Auger; (05) Culm bank/refuse pile; (06) Dredge; (12) Other mining; (17) Independent shops or yards; (30) Mill operation/preparation plant; (99) Office workers at mine site.",
  "distribution": [
    {
      "@type": "dcat:Distribution",
      "accessURL": "https://www.msha.gov/mine-data-retrieval-system",
      "title": "MSHA Mine Data Retrieval System"
    }
  ],
  "identifier": "MSHA-19-012:030-172",
  "keyword": [
    "MSHA",
    "Part 50",
    "Part 50 data",
    "coal production",
    "mining",
    "mining employment",
    "mining production",
    "operator employment",
    "operator hours",
    "operator production"
  ],
  "landingPage": "https://www.msha.gov/mine-data-retrieval-system",
  "language": [
    "en-US"
  ],
  "modified": "2026-03-12T12:27:38.791Z",
  "programCode": [
    "000:000"
  ],
  "publisher": {
    "@type": "org:Organization",
    "name": "Mine Safety and Health Administration",
    "subOrganizationOf": {
      "@type": "org:Organization",
      "name": "Mine Safety and Health Administration"
    }
  },
  "rights": "true",
  "temporal": "2000-01-01/2025-12-31",
  "theme": [
    "geospatial"
  ],
  "title": "MSHA Operator Employment and Production Data Set - Quarterly"
}