{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2002761","name":"Crusher","status":"Abandoned","status_date":"2011-11-23","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MI","county":"Lake","nearest_town":"UNKNOWN","operator_id":"L08848","operator_name":"Lake County Road Commission","controller_id":"M06998","controller_name":"Lake County-Mi","district":"M4","office":"Duluth District","employees":0,"latitude":44.115833,"longitude":-85.9725},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":109},"relationships":{"schemaVersion":"realm.temporal-relationships.v1","temporalSemantics":{"validTime":{"granularity":"date","bounds":"inclusive","nullStart":"start date not published in the upstream history row","nullEnd":"open-ended in the upstream history row; not independent proof of present control"},"transactionTime":{"observedAt":"2026-10-13T11:19:05.459773+00:00","meaning":"time the checksum-addressed MDRS artifacts were observed by the PostgreSQL ingestion"},"derivation":{"controllerControlsOperator":"intersection of controller and operator valid-time intervals evidenced through this mine","currentIdentity":"current controller and operator are asserted only by the MDRS Mines snapshot"}},"current":{"mine":{"type":"mine","id":"2002761","name":"Crusher"},"operator":{"type":"operator","id":"L08848","name":"Lake County Road Commission"},"controller":{"type":"controller","id":"M06998","name":"Lake County-Mi"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06998","name":"Lake County-Mi"},"object":{"type":"mine","id":"2002761","name":"Crusher"},"validFrom":"1981-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002761|M06998|1981-07-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L08848","name":"Lake County Road Commission"},"object":{"type":"mine","id":"2002761","name":"Crusher"},"validFrom":"1986-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002761|L08848|1986-08-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06998","name":"Lake County-Mi"},"object":{"type":"operator","id":"L08848","name":"Lake County Road Commission"},"validFrom":"1986-08-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2002761","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002761|L08848|1986-08-01|M06998|1981-07-01|139855"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":2,"firstDate":"2002-04-08","lastDate":"2002-10-02","metrics":{"daysLost":34,"injuries":2,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"178135","DOCUMENT_NO":"220023020009","ACCIDENT_DT":"10/02/2002","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck against a moving object","OCCUPATION":"Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer","NO_INJURIES":"1","DAYS_LOST":"19","NARRATIVE":"EE WAS DRIVING LOADER AND HIT A BUMP, THEREFORE SENDING HIS LEFT KNEE INTO THE STEERING COLUMN.","sourceDate":"2002-10-02"},{"SOURCE_ROW_NUMBER":"36187","DOCUMENT_NO":"220021160052","ACCIDENT_DT":"04/08/2002","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck against stationary object","OCCUPATION":"Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer","NO_INJURIES":"1","DAYS_LOST":"15","NARRATIVE":"EMPLOYEE WAS PULLING ON IRON ROD THAT HAD FALLEN ONTO CATWALK; RIGHT ELBOW CAME BACK AND HIT THE RAILING OF THE CATWALK INJURING RIGHT ELBOW.","sourceDate":"2002-04-08"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2011-11-23","lastDate":"2011-11-23","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":5,"firstDate":"2007-03-29","lastDate":"2011-10-27","metrics":{"ss":2,"delinquent":5,"recentRows":0,"paidPenalty":468,"proposedPenalty":468,"currentAssessment":468},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2159627","VIOLATION_NO":"6561745","ISSUE_DT":"10/27/2011","CFR_STANDARD_CD":"56.14112(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-10-27"},{"SOURCE_ROW_NUMBER":"2159626","VIOLATION_NO":"6561744","ISSUE_DT":"10/27/2011","CFR_STANDARD_CD":"56.12008","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-10-27"},{"SOURCE_ROW_NUMBER":"2069113","VIOLATION_NO":"6410969","ISSUE_DT":"05/26/2010","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-05-26"},{"SOURCE_ROW_NUMBER":"2069112","VIOLATION_NO":"6410968","ISSUE_DT":"05/26/2010","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-05-26"},{"SOURCE_ROW_NUMBER":"359361","VIOLATION_NO":"6196026","ISSUE_DT":"03/29/2007","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-03-29"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":1,"firstDate":"1986-08-01","lastDate":"1986-08-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":18,"firstDate":"2000-03-21","lastDate":"2011-11-08","metrics":{"inspectors":18,"recentRows":0,"onSiteHours":66.25,"inspectionHours":154.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"746311","EVENT_NO":"6571899","INSPECTION_BEGIN_DT":"11/08/2011","INSPECTION_END_DT":"11/08/2011","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2011-11-08"},{"SOURCE_ROW_NUMBER":"533220","EVENT_NO":"6571895","INSPECTION_BEGIN_DT":"10/27/2011","INSPECTION_END_DT":"10/27/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.5","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2011-10-27"},{"SOURCE_ROW_NUMBER":"1106139","EVENT_NO":"6571507","INSPECTION_BEGIN_DT":"11/17/2010","INSPECTION_END_DT":"11/17/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2010-11-17"},{"SOURCE_ROW_NUMBER":"912799","EVENT_NO":"6571613","INSPECTION_BEGIN_DT":"10/20/2010","INSPECTION_END_DT":"10/20/2010","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2010-10-20"},{"SOURCE_ROW_NUMBER":"693588","EVENT_NO":"6515260","INSPECTION_BEGIN_DT":"06/01/2010","INSPECTION_END_DT":"06/01/2010","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2010-06-01"},{"SOURCE_ROW_NUMBER":"623783","EVENT_NO":"6515259","INSPECTION_BEGIN_DT":"05/26/2010","INSPECTION_END_DT":"05/27/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12.5","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2010-05-26"},{"SOURCE_ROW_NUMBER":"462016","EVENT_NO":"1010956","INSPECTION_BEGIN_DT":"11/03/2008","INSPECTION_END_DT":"11/03/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.25","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2008-11-03"},{"SOURCE_ROW_NUMBER":"521564","EVENT_NO":"0997836","INSPECTION_BEGIN_DT":"06/17/2008","INSPECTION_END_DT":"06/17/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":"1.25","sourceDate":"2008-06-17"},{"SOURCE_ROW_NUMBER":"790897","EVENT_NO":"0997028","INSPECTION_BEGIN_DT":"04/18/2007","INSPECTION_END_DT":"04/18/2007","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16.5","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2007-04-18"},{"SOURCE_ROW_NUMBER":"103873","EVENT_NO":"0997014","INSPECTION_BEGIN_DT":"03/29/2007","INSPECTION_END_DT":"04/03/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"21","SUM_TOTAL_ON_SITE_HOURS":"6.5","sourceDate":"2007-03-29"},{"SOURCE_ROW_NUMBER":"166861","EVENT_NO":"0986158","INSPECTION_BEGIN_DT":"08/10/2006","INSPECTION_END_DT":"08/10/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2006-08-10"},{"SOURCE_ROW_NUMBER":"173229","EVENT_NO":"0986170","INSPECTION_BEGIN_DT":"08/03/2005","INSPECTION_END_DT":"08/03/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2005-08-03"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":62,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2011-Q4":{"hours":92,"employees":2,"production":0},"2011-Q3":{"hours":108,"employees":2,"production":0},"2011-Q2":{"hours":0,"employees":0,"production":0},"2011-Q1":{"hours":0,"employees":0,"production":0},"2010-Q4":{"hours":137,"employees":2,"production":0},"2010-Q3":{"hours":0,"employees":0,"production":0},"2010-Q2":{"hours":85,"employees":2,"production":0},"2010-Q1":{"hours":79,"employees":2,"production":0},"2009-Q4":{"hours":269,"employees":2,"production":0},"2009-Q3":{"hours":36,"employees":3,"production":0},"2009-Q2":{"hours":283,"employees":2,"production":0},"2008-Q4":{"hours":14,"employees":2,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":12,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002":{"hours":978,"employees":2,"production":0},"2003":{"hours":667,"employees":2,"production":0},"2004":{"hours":1021,"employees":2,"production":0},"2005":{"hours":896,"employees":2,"production":0},"2006":{"hours":1362,"employees":3,"production":0},"2007":{"hours":607,"employees":2,"production":0},"2008":{"hours":258,"employees":2,"production":0},"2009":{"hours":588,"employees":2,"production":0},"2010":{"hours":301,"employees":2,"production":0},"2011":{"hours":200,"employees":2,"production":0}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":2,"firstDate":"2007-04-18","lastDate":"2007-04-18","metrics":{"recentRows":0,"actionTaken":2,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"80699","EVENT_NO":"0997028","SAMPLE_NO":"000000200702906400","SAMPLE_DATE":"04/18/2007","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.16","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2007-04-18"},{"SOURCE_ROW_NUMBER":"80698","EVENT_NO":"0997028","SAMPLE_NO":"000000200702906300","SAMPLE_DATE":"04/18/2007","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Dry Screen Plant Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2007-04-18"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":5,"firstDate":"2007-03-29","lastDate":"2011-10-27","metrics":{"ss":2,"amountDue":468,"contested":0,"amountPaid":468,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":468},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1312610","VIOLATION_NO":"6561745","VIOLATION_ISSUE_DT":"10/27/2011","SIG_SUB":"N","PART_SECTION":"56.14112(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/08/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-10-27"},{"SOURCE_ROW_NUMBER":"1312609","VIOLATION_NO":"6561744","VIOLATION_ISSUE_DT":"10/27/2011","SIG_SUB":"Y","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/08/2011","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2011-10-27"},{"SOURCE_ROW_NUMBER":"1312608","VIOLATION_NO":"6410969","VIOLATION_ISSUE_DT":"05/26/2010","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/01/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-05-26"},{"SOURCE_ROW_NUMBER":"1312607","VIOLATION_NO":"6410968","VIOLATION_ISSUE_DT":"05/26/2010","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/01/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-05-26"},{"SOURCE_ROW_NUMBER":"1312606","VIOLATION_NO":"6196026","VIOLATION_ISSUE_DT":"03/29/2007","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/29/2007","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2007-03-29"}]}],"safety":{"href":"/api/v1/mines/2002761/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2002761/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[{"chapter":"I","heading":"Construction and maintenance of guards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112","part":"56","subchapter":"K","subpart":"M","id":"56.14112","citation":"30 CFR 56.14112","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Insulation and fittings for power wires and cables.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008","part":"56","subchapter":"K","subpart":"K","id":"56.12008","citation":"30 CFR 56.12008","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Moving machine parts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107","part":"56","subchapter":"K","subpart":"M","id":"56.14107","citation":"30 CFR 56.14107","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Electrical conductors.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004","part":"56","subchapter":"K","subpart":"K","id":"56.12004","citation":"30 CFR 56.12004","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2002761","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}