{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "R/P1Y", "bureauCode": ["000:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Victor Yu", "hasEmail": "mailto:yu.victor@dol.gov"}, "dataQuality": true, "describedBy": "https://microstrategy.msha.gov/MicroStrategy/asp/mdrshelp/helpdocumentation.pdf", "describedByType": "application/pdf", "description": "Hours Worked (Office Workers Excluded) - Closed Years Only\nData Starting: 2012\nBy Calendar Year, Coal or Metal/Non-Metal ; and Mine Type\nContractor Data is Included", "distribution": [{"@type": "dcat:Distribution"}], "identifier": "MSHA-19-012:030-156", "keyword": ["MNM mining hours worked", "MSHA", "coal mining hours worked", "contractor hours", "mining hours", "operator hours"], "landingPage": "https://www.msha.gov/mine-data-retrieval-system", "language": ["en-US"], "modified": "2025-12-15T16:25:04.181Z", "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", "title": "Hours Worked Report"}