{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2002998","name":"36 Plant","status":"Abandoned","status_date":"2007-11-08","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MI","county":"Clinton","nearest_town":"St. Johns","operator_id":"L10171","operator_name":"Searles Construction Inc","controller_id":"M07935","controller_name":"Leon D  Searles","district":"M4","office":"Duluth District","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":105},"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":"2002998","name":"36 Plant"},"operator":{"type":"operator","id":"L10171","name":"Searles Construction Inc"},"controller":{"type":"controller","id":"M07935","name":"Leon D  Searles"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07935","name":"Leon D  Searles"},"object":{"type":"mine","id":"2002998","name":"36 Plant"},"validFrom":"1980-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002998|M07935|1980-07-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10171","name":"Searles Construction Inc"},"object":{"type":"mine","id":"2002998","name":"36 Plant"},"validFrom":"1997-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002998|L10171|1997-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07935","name":"Leon D  Searles"},"object":{"type":"operator","id":"L10171","name":"Searles Construction Inc"},"validFrom":"1997-04-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2002998","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2002998|L10171|1997-04-01|M07935|1980-07-01|142371"}}],"coverage":{"historyRecords":1,"edgeCount":3,"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":"2007-11-08","lastDate":"2007-11-08","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":7,"firstDate":"2000-04-25","lastDate":"2002-03-28","metrics":{"ss":0,"delinquent":7,"recentRows":0,"paidPenalty":719,"proposedPenalty":719,"currentAssessment":719},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"125303","VIOLATION_NO":"6149091","ISSUE_DT":"03/28/2002","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-03-28"},{"SOURCE_ROW_NUMBER":"125302","VIOLATION_NO":"6149090","ISSUE_DT":"03/28/2002","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-03-28"},{"SOURCE_ROW_NUMBER":"123746","VIOLATION_NO":"7846599","ISSUE_DT":"06/21/2001","CFR_STANDARD_CD":"56.14130(i)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-06-21"},{"SOURCE_ROW_NUMBER":"123745","VIOLATION_NO":"7846598","ISSUE_DT":"06/21/2001","CFR_STANDARD_CD":"56.14112(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-06-21"},{"SOURCE_ROW_NUMBER":"123744","VIOLATION_NO":"7846597","ISSUE_DT":"06/21/2001","CFR_STANDARD_CD":"56.16006","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-06-21"},{"SOURCE_ROW_NUMBER":"86537","VIOLATION_NO":"7846474","ISSUE_DT":"11/14/2000","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"150.00","CURRENT_ASSESSMENT_AMT":"150.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-11-14"},{"SOURCE_ROW_NUMBER":"82032","VIOLATION_NO":"7803637","ISSUE_DT":"04/25/2000","CFR_STANDARD_CD":"56.5050","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"294.00","CURRENT_ASSESSMENT_AMT":"294.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-04-25"}]},{"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":"1997-04-01","lastDate":"1997-04-01","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":13,"firstDate":"2000-04-25","lastDate":"2007-08-08","metrics":{"inspectors":13,"recentRows":0,"onSiteHours":84,"inspectionHours":118.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"837148","EVENT_NO":"0997774","INSPECTION_BEGIN_DT":"08/08/2007","INSPECTION_END_DT":"08/09/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2007-08-08"},{"SOURCE_ROW_NUMBER":"946870","EVENT_NO":"0986513","INSPECTION_BEGIN_DT":"08/02/2006","INSPECTION_END_DT":"08/03/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"9.5","sourceDate":"2006-08-02"},{"SOURCE_ROW_NUMBER":"856201","EVENT_NO":"0984931","INSPECTION_BEGIN_DT":"11/16/2004","INSPECTION_END_DT":"11/16/2004","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2004-11-16"},{"SOURCE_ROW_NUMBER":"113282","EVENT_NO":"0965652","INSPECTION_BEGIN_DT":"04/13/2004","INSPECTION_END_DT":"04/14/2004","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2004-04-13"},{"SOURCE_ROW_NUMBER":"17270","EVENT_NO":"0965742","INSPECTION_BEGIN_DT":"09/02/2003","INSPECTION_END_DT":"09/02/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2003-09-02"},{"SOURCE_ROW_NUMBER":"771433","EVENT_NO":"0786624","INSPECTION_BEGIN_DT":"05/09/2002","INSPECTION_END_DT":"05/09/2002","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2002-05-09"},{"SOURCE_ROW_NUMBER":"681647","EVENT_NO":"0786501","INSPECTION_BEGIN_DT":"03/28/2002","INSPECTION_END_DT":"03/28/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2002-03-28"},{"SOURCE_ROW_NUMBER":"1090594","EVENT_NO":"0787013","INSPECTION_BEGIN_DT":"09/11/2001","INSPECTION_END_DT":"09/11/2001","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2001-09-11"},{"SOURCE_ROW_NUMBER":"587103","EVENT_NO":"0782945","INSPECTION_BEGIN_DT":"06/21/2001","INSPECTION_END_DT":"06/21/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2001-06-21"},{"SOURCE_ROW_NUMBER":"792879","EVENT_NO":"0719094","INSPECTION_BEGIN_DT":"11/14/2000","INSPECTION_END_DT":"11/14/2000","ACTIVITY_CODE":"37","ACTIVITY":"MISCELLANEOUS INSPECTION/INVESTIGATION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2000-11-14"},{"SOURCE_ROW_NUMBER":"396770","EVENT_NO":"0714023","INSPECTION_BEGIN_DT":"07/06/2000","INSPECTION_END_DT":"07/06/2000","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"12","sourceDate":"2000-07-06"},{"SOURCE_ROW_NUMBER":"340658","EVENT_NO":"0714241","INSPECTION_BEGIN_DT":"06/01/2000","INSPECTION_END_DT":"06/01/2000","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2000-06-01"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":62,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2008-Q2":{"hours":0,"employees":0,"production":0},"2008-Q1":{"hours":0,"employees":0,"production":0},"2007-Q4":{"hours":17,"employees":2,"production":0},"2007-Q3":{"hours":10,"employees":1,"production":0},"2007-Q2":{"hours":0,"employees":0,"production":0},"2007-Q1":{"hours":0,"employees":0,"production":0},"2006-Q4":{"hours":1025,"employees":3,"production":0},"2006-Q3":{"hours":583,"employees":3,"production":0},"2006-Q2":{"hours":0,"employees":0,"production":0},"2006-Q1":{"hours":0,"employees":0,"production":0},"2005-Q4":{"hours":87,"employees":2,"production":0},"2005-Q3":{"hours":558,"employees":3,"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":13,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":3816,"employees":4,"production":0},"2001":{"hours":3679,"employees":3,"production":0},"2002":{"hours":6001,"employees":3,"production":0},"2003":{"hours":602,"employees":1,"production":0},"2004":{"hours":2389,"employees":3,"production":0},"2005":{"hours":645,"employees":3,"production":0},"2006":{"hours":1608,"employees":3,"production":0},"2007":{"hours":27,"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-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":7,"firstDate":"2000-04-25","lastDate":"2002-03-28","metrics":{"ss":0,"amountDue":719,"contested":0,"amountPaid":719,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":719},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1316794","VIOLATION_NO":"6149091","VIOLATION_ISSUE_DT":"03/28/2002","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/10/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-03-28"},{"SOURCE_ROW_NUMBER":"1316793","VIOLATION_NO":"6149090","VIOLATION_ISSUE_DT":"03/28/2002","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/09/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-03-28"},{"SOURCE_ROW_NUMBER":"1316798","VIOLATION_NO":"7846599","VIOLATION_ISSUE_DT":"06/21/2001","SIG_SUB":"N","PART_SECTION":"56.14130(i)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-06-21"},{"SOURCE_ROW_NUMBER":"1316797","VIOLATION_NO":"7846598","VIOLATION_ISSUE_DT":"06/21/2001","SIG_SUB":"N","PART_SECTION":"56.14112(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-06-21"},{"SOURCE_ROW_NUMBER":"1316796","VIOLATION_NO":"7846597","VIOLATION_ISSUE_DT":"06/21/2001","SIG_SUB":"N","PART_SECTION":"56.16006","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"06/21/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-06-21"},{"SOURCE_ROW_NUMBER":"1316799","VIOLATION_NO":"7846474","VIOLATION_ISSUE_DT":"11/14/2000","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/14/2000","PROPOSED_PENALTY":"150","AMOUNT_DUE":"150","AMOUNT_PAID":"150","CONTESTED_IND":"N","sourceDate":"2000-11-14"},{"SOURCE_ROW_NUMBER":"1316795","VIOLATION_NO":"7803637","VIOLATION_ISSUE_DT":"04/25/2000","SIG_SUB":"N","PART_SECTION":"56.5050","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/06/2000","PROPOSED_PENALTY":"294","AMOUNT_DUE":"294","AMOUNT_PAID":"294","CONTESTED_IND":"N","sourceDate":"2000-04-25"}]}],"safety":{"href":"/api/v1/mines/2002998/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2002998/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":"Testing grounding systems.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028","part":"56","subchapter":"K","subpart":"K","id":"56.12028","citation":"30 CFR 56.12028","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},{"chapter":"I","heading":"Roll-over protective structures (ROPS) and seat belts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130","part":"56","subchapter":"K","subpart":"M","id":"56.14130","citation":"30 CFR 56.14130","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":"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":"Protection of gas cylinder valves.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006","part":"56","subchapter":"K","subpart":"O","id":"56.16006","citation":"30 CFR 56.16006","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":"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":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2002998","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}