{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3304403","name":"Staley Farm","status":"Abandoned","status_date":"2015-08-14","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"OH","county":"Shelby","nearest_town":"Sidney","operator_id":"L03974","operator_name":"Barrett Paving Materials Inc","controller_id":"M03183","controller_name":"Colas S A","district":"M2","office":"Hebron OH Field Office","employees":0,"latitude":40.309167,"longitude":-84.135},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":110},"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":"3304403","name":"Staley Farm"},"operator":{"type":"operator","id":"L03974","name":"Barrett Paving Materials Inc"},"controller":{"type":"controller","id":"M03183","name":"Colas S A"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M36212","name":"Thomas  Milligan"},"object":{"type":"mine","id":"3304403","name":"Staley Farm"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304403|M36212|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03183","name":"Colas S A"},"object":{"type":"mine","id":"3304403","name":"Staley Farm"},"validFrom":"1979-12-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304403|M03183|1979-12-14|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L36212","name":"Miami River Stone Company"},"object":{"type":"mine","id":"3304403","name":"Staley Farm"},"validFrom":"1997-11-01","validTo":"2008-07-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304403|L36212|1997-11-01|2008-07-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M36212","name":"Thomas  Milligan"},"object":{"type":"operator","id":"L36212","name":"Miami River Stone Company"},"validFrom":"1997-11-01","validTo":"2008-07-08","current":false,"derived":true,"evidenceMineId":"3304403","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304403|L36212|1997-11-01|M36212|1950-01-01|165272"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L03974","name":"Barrett Paving Materials Inc"},"object":{"type":"mine","id":"3304403","name":"Staley Farm"},"validFrom":"2008-07-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304403|L03974|2008-07-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03183","name":"Colas S A"},"object":{"type":"operator","id":"L03974","name":"Barrett Paving Materials Inc"},"validFrom":"2008-07-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304403","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304403|L03974|2008-07-09|M03183|1979-12-14|128294"}}],"coverage":{"historyRecords":2,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2015-08-14","lastDate":"2015-08-14","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":8,"firstDate":"2001-07-16","lastDate":"2015-07-23","metrics":{"ss":0,"delinquent":8,"recentRows":0,"paidPenalty":550,"proposedPenalty":550,"currentAssessment":550},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2352700","VIOLATION_NO":"8808957","ISSUE_DT":"07/23/2015","CFR_STANDARD_CD":"50.30(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":"2015-07-23"},{"SOURCE_ROW_NUMBER":"378010","VIOLATION_NO":"6401987","ISSUE_DT":"10/15/2008","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-10-15"},{"SOURCE_ROW_NUMBER":"161950","VIOLATION_NO":"6167861","ISSUE_DT":"11/15/2006","CFR_STANDARD_CD":"56.9100(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-11-15"},{"SOURCE_ROW_NUMBER":"341492","VIOLATION_NO":"6167214","ISSUE_DT":"11/30/2004","CFR_STANDARD_CD":"50.30(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-11-30"},{"SOURCE_ROW_NUMBER":"341491","VIOLATION_NO":"6150799","ISSUE_DT":"08/03/2004","CFR_STANDARD_CD":"56.18002(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-08-03"},{"SOURCE_ROW_NUMBER":"327753","VIOLATION_NO":"7835948","ISSUE_DT":"04/15/2003","CFR_STANDARD_CD":"56.14132(b)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-04-15"},{"SOURCE_ROW_NUMBER":"160292","VIOLATION_NO":"4548374","ISSUE_DT":"03/11/2003","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-03-11"},{"SOURCE_ROW_NUMBER":"138453","VIOLATION_NO":"7835492","ISSUE_DT":"07/16/2001","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-07-16"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":2,"firstDate":"1997-11-01","lastDate":"2008-07-09","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":14,"firstDate":"2000-03-22","lastDate":"2015-07-22","metrics":{"inspectors":15,"recentRows":0,"onSiteHours":67.75,"inspectionHours":120.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"817158","EVENT_NO":"6686395","INSPECTION_BEGIN_DT":"07/22/2015","INSPECTION_END_DT":"07/23/2015","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.75","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2015-07-22"},{"SOURCE_ROW_NUMBER":"180586","EVENT_NO":"1008115","INSPECTION_BEGIN_DT":"10/14/2008","INSPECTION_END_DT":"10/15/2008","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.5","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2008-10-14"},{"SOURCE_ROW_NUMBER":"1073265","EVENT_NO":"1007364","INSPECTION_BEGIN_DT":"10/15/2007","INSPECTION_END_DT":"10/15/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2007-10-15"},{"SOURCE_ROW_NUMBER":"391121","EVENT_NO":"0858497","INSPECTION_BEGIN_DT":"11/15/2006","INSPECTION_END_DT":"11/15/2006","ACTIVITY_CODE":"E25","ACTIVITY":"Part 50 Audit","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2006-11-15"},{"SOURCE_ROW_NUMBER":"1009414","EVENT_NO":"0858496","INSPECTION_BEGIN_DT":"11/13/2006","INSPECTION_END_DT":"11/16/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2006-11-13"},{"SOURCE_ROW_NUMBER":"583822","EVENT_NO":"0993471","INSPECTION_BEGIN_DT":"06/20/2006","INSPECTION_END_DT":"06/20/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.25","SUM_TOTAL_ON_SITE_HOURS":"4.25","sourceDate":"2006-06-20"},{"SOURCE_ROW_NUMBER":"871120","EVENT_NO":"0980443","INSPECTION_BEGIN_DT":"09/20/2005","INSPECTION_END_DT":"09/21/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2005-09-20"},{"SOURCE_ROW_NUMBER":"110695","EVENT_NO":"0984817","INSPECTION_BEGIN_DT":"08/03/2004","INSPECTION_END_DT":"08/03/2004","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2004-08-03"},{"SOURCE_ROW_NUMBER":"175700","EVENT_NO":"0979204","INSPECTION_BEGIN_DT":"11/18/2003","INSPECTION_END_DT":"11/18/2003","ACTIVITY_CODE":"40","ACTIVITY":"SPECIAL ENFORCEMENT 1","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2003-11-18"},{"SOURCE_ROW_NUMBER":"382286","EVENT_NO":"0973711","INSPECTION_BEGIN_DT":"04/14/2003","INSPECTION_END_DT":"04/15/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2003-04-14"},{"SOURCE_ROW_NUMBER":"851773","EVENT_NO":"0845473","INSPECTION_BEGIN_DT":"03/11/2003","INSPECTION_END_DT":"03/11/2003","ACTIVITY_CODE":"37","ACTIVITY":"MISCELLANEOUS INSPECTION/INVESTIGATION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2003-03-11"},{"SOURCE_ROW_NUMBER":"364104","EVENT_NO":"0972318","INSPECTION_BEGIN_DT":"05/01/2002","INSPECTION_END_DT":"05/01/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2002-05-01"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":63,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2015-Q3":{"hours":985,"employees":1,"production":0},"2015-Q2":{"hours":60,"employees":2,"production":0},"2010-Q2":{"hours":3,"employees":1,"production":0},"2010-Q1":{"hours":2,"employees":1,"production":0},"2009-Q3":{"hours":3,"employees":1,"production":0},"2008-Q3":{"hours":0,"employees":0,"production":0},"2008-Q2":{"hours":36,"employees":1,"production":0},"2008-Q1":{"hours":0,"employees":0,"production":0},"2007-Q4":{"hours":284,"employees":1,"production":0},"2007-Q3":{"hours":579,"employees":1,"production":0},"2007-Q2":{"hours":619,"employees":1,"production":0},"2007-Q1":{"hours":43,"employees":1,"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":1858,"employees":1,"production":0},"2003":{"hours":1782,"employees":1,"production":0},"2004":{"hours":1929,"employees":2,"production":0},"2005":{"hours":1525,"employees":1,"production":0},"2006":{"hours":1511,"employees":1,"production":0},"2007":{"hours":1525,"employees":1,"production":0},"2008":{"hours":36,"employees":1,"production":0},"2009":{"hours":3,"employees":1,"production":0},"2010":{"hours":5,"employees":1,"production":0},"2015":{"hours":1045,"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":1,"firstDate":"2002-05-01","lastDate":"2002-05-01","metrics":{"recentRows":0,"actionTaken":1,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"12034","EVENT_NO":"0972318","SAMPLE_NO":"000000200203071500","SAMPLE_DATE":"05/01/2002","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-05-01"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":8,"firstDate":"2001-07-16","lastDate":"2015-07-23","metrics":{"ss":0,"amountDue":550,"contested":0,"amountPaid":550,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":550},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1761031","VIOLATION_NO":"8808957","VIOLATION_ISSUE_DT":"07/23/2015","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"08/12/2015","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2015-07-23"},{"SOURCE_ROW_NUMBER":"1761034","VIOLATION_NO":"6401987","VIOLATION_ISSUE_DT":"10/15/2008","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/15/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-10-15"},{"SOURCE_ROW_NUMBER":"1761035","VIOLATION_NO":"6167861","VIOLATION_ISSUE_DT":"11/15/2006","SIG_SUB":"N","PART_SECTION":"56.9100(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/16/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2006-11-15"},{"SOURCE_ROW_NUMBER":"1761033","VIOLATION_NO":"6167214","VIOLATION_ISSUE_DT":"11/30/2004","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/30/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-11-30"},{"SOURCE_ROW_NUMBER":"1761032","VIOLATION_NO":"6150799","VIOLATION_ISSUE_DT":"08/03/2004","SIG_SUB":"N","PART_SECTION":"56.18002(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/03/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-08-03"},{"SOURCE_ROW_NUMBER":"1761029","VIOLATION_NO":"7835948","VIOLATION_ISSUE_DT":"04/15/2003","SIG_SUB":"N","PART_SECTION":"56.14132(b)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/15/2003","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2003-04-15"},{"SOURCE_ROW_NUMBER":"1761028","VIOLATION_NO":"4548374","VIOLATION_ISSUE_DT":"03/11/2003","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/11/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2003-03-11"},{"SOURCE_ROW_NUMBER":"1761030","VIOLATION_NO":"7835492","VIOLATION_ISSUE_DT":"07/16/2001","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/16/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-07-16"}]}],"safety":{"href":"/api/v1/mines/3304403/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3304403/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":"Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30","part":"50","subchapter":"I","subpart":"D","id":"50.30","citation":"30 CFR 50.30","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Notification of commencement of operations and closing of mines.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000","part":"56","subchapter":"K","subpart":"A","id":"56.1000","citation":"30 CFR 56.1000","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":3},{"chapter":"I","heading":"Traffic control.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9100","part":"56","subchapter":"K","subpart":"H","id":"56.9100","citation":"30 CFR 56.9100","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":"Examination of working places.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002","part":"56","subchapter":"K","subpart":"Q","id":"56.18002","citation":"30 CFR 56.18002","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":"Horns and backup alarms.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132","part":"56","subchapter":"K","subpart":"M","id":"56.14132","citation":"30 CFR 56.14132","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":"3304403","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}