{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2103065","name":"Crusher","status":"Abandoned","status_date":"2013-04-03","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MN","county":"Morrison","nearest_town":"Little Falls","operator_id":"L35226","operator_name":"Kingsway Construction Inc","controller_id":"M35226","controller_name":"Virgil J  Brisk","district":"M4","office":"Duluth District","employees":0,"latitude":45.962777,"longitude":-94.364166},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":164},"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":"2103065","name":"Crusher"},"operator":{"type":"operator","id":"L35226","name":"Kingsway Construction Inc"},"controller":{"type":"controller","id":"M35226","name":"Virgil J  Brisk"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L35226","name":"Kingsway Construction Inc"},"object":{"type":"mine","id":"2103065","name":"Crusher"},"validFrom":"1993-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103065|L35226|1993-04-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M35226","name":"Virgil J  Brisk"},"object":{"type":"mine","id":"2103065","name":"Crusher"},"validFrom":"1993-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103065|M35226|1993-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M35226","name":"Virgil J  Brisk"},"object":{"type":"operator","id":"L35226","name":"Kingsway Construction Inc"},"validFrom":"1993-04-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103065","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103065|L35226|1993-04-01|M35226|1993-04-01|164116"}}],"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":"2013-04-03","lastDate":"2013-04-03","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":4,"firstDate":"2001-07-17","lastDate":"2012-10-10","metrics":{"ss":1,"delinquent":4,"recentRows":0,"paidPenalty":329,"proposedPenalty":329,"currentAssessment":329},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2165988","VIOLATION_NO":"8665690","ISSUE_DT":"10/10/2012","CFR_STANDARD_CD":"56.12005","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"321063","VIOLATION_NO":"6158504","ISSUE_DT":"11/17/2003","CFR_STANDARD_CD":"56.14107(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":"2003-11-17"},{"SOURCE_ROW_NUMBER":"320014","VIOLATION_NO":"6158197","ISSUE_DT":"05/13/2003","CFR_STANDARD_CD":"56.5001(a/5)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"114.00","CURRENT_ASSESSMENT_AMT":"114.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-05-13"},{"SOURCE_ROW_NUMBER":"84116","VIOLATION_NO":"7839672","ISSUE_DT":"07/17/2001","CFR_STANDARD_CD":"56.14109(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-07-17"}]},{"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":"1993-04-01","lastDate":"1993-04-01","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":18,"firstDate":"2000-01-06","lastDate":"2012-10-10","metrics":{"inspectors":21,"recentRows":0,"onSiteHours":81,"inspectionHours":159,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"886180","EVENT_NO":"6574896","INSPECTION_BEGIN_DT":"10/10/2012","INSPECTION_END_DT":"10/10/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"4.75","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"2575","EVENT_NO":"6631220","INSPECTION_BEGIN_DT":"07/16/2012","INSPECTION_END_DT":"07/17/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19","SUM_TOTAL_ON_SITE_HOURS":"13.75","sourceDate":"2012-07-16"},{"SOURCE_ROW_NUMBER":"832663","EVENT_NO":"6513454","INSPECTION_BEGIN_DT":"11/09/2010","INSPECTION_END_DT":"11/09/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2010-11-09"},{"SOURCE_ROW_NUMBER":"797038","EVENT_NO":"6513305","INSPECTION_BEGIN_DT":"08/23/2010","INSPECTION_END_DT":"08/23/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2010-08-23"},{"SOURCE_ROW_NUMBER":"727225","EVENT_NO":"6512688","INSPECTION_BEGIN_DT":"07/27/2010","INSPECTION_END_DT":"07/27/2010","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.75","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2010-07-27"},{"SOURCE_ROW_NUMBER":"548013","EVENT_NO":"1006885","INSPECTION_BEGIN_DT":"05/14/2009","INSPECTION_END_DT":"05/14/2009","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2009-05-14"},{"SOURCE_ROW_NUMBER":"648257","EVENT_NO":"1005867","INSPECTION_BEGIN_DT":"11/14/2007","INSPECTION_END_DT":"11/14/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2007-11-14"},{"SOURCE_ROW_NUMBER":"928648","EVENT_NO":"0991536","INSPECTION_BEGIN_DT":"11/02/2006","INSPECTION_END_DT":"11/02/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2006-11-02"},{"SOURCE_ROW_NUMBER":"579503","EVENT_NO":"0990899","INSPECTION_BEGIN_DT":"04/25/2006","INSPECTION_END_DT":"04/26/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"14","sourceDate":"2006-04-25"},{"SOURCE_ROW_NUMBER":"738897","EVENT_NO":"0990887","INSPECTION_BEGIN_DT":"11/16/2005","INSPECTION_END_DT":"11/16/2005","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2005-11-16"},{"SOURCE_ROW_NUMBER":"1146653","EVENT_NO":"0968750","INSPECTION_BEGIN_DT":"11/10/2004","INSPECTION_END_DT":"11/10/2004","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2004-11-10"},{"SOURCE_ROW_NUMBER":"18599","EVENT_NO":"0968785","INSPECTION_BEGIN_DT":"11/17/2003","INSPECTION_END_DT":"11/20/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2003-11-17"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":101,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2013-Q1":{"hours":1,"employees":1,"production":0},"2012-Q4":{"hours":838,"employees":4,"production":0},"2012-Q3":{"hours":26,"employees":2,"production":0},"2012-Q1":{"hours":1,"employees":1,"production":0},"2011-Q4":{"hours":1297,"employees":4,"production":0},"2011-Q3":{"hours":658,"employees":3,"production":0},"2011-Q1":{"hours":1,"employees":1,"production":0},"2010-Q4":{"hours":467,"employees":3,"production":0},"2010-Q3":{"hours":1206,"employees":3,"production":0},"2010-Q2":{"hours":1339,"employees":4,"production":0},"2010-Q1":{"hours":1,"employees":1,"production":0},"2009-Q4":{"hours":704,"employees":4,"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":27,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2004":{"hours":7522,"employees":6,"production":0},"2005":{"hours":4841,"employees":6,"production":0},"2006":{"hours":4394,"employees":4,"production":0},"2007":{"hours":3672,"employees":4,"production":0},"2008":{"hours":3000,"employees":4,"production":0},"2009":{"hours":3382,"employees":4,"production":0},"2010":{"hours":3013,"employees":3,"production":0},"2011":{"hours":1956,"employees":4,"production":0},"2012":{"hours":865,"employees":3,"production":0},"2013":{"hours":1,"employees":1,"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":7,"firstDate":"2003-05-13","lastDate":"2012-07-17","metrics":{"recentRows":0,"actionTaken":7,"maxExposureRatio":1.36,"overExposureLimit":1,"exposureRatioTotal":2.2},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"169859","EVENT_NO":"6631220","SAMPLE_NO":"000000201206046800","SAMPLE_DATE":"07/17/2012","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2012-07-17"},{"SOURCE_ROW_NUMBER":"169858","EVENT_NO":"6631220","SAMPLE_NO":"000000201206046700","SAMPLE_DATE":"07/17/2012","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.15","EXPOSURE_LIMIT":"0000.65","C_OVER_E":"00.23","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2012-07-17"},{"SOURCE_ROW_NUMBER":"169857","EVENT_NO":"6631220","SAMPLE_NO":"000000201206046600","SAMPLE_DATE":"07/17/2012","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":"2012-07-17"},{"SOURCE_ROW_NUMBER":"52895","EVENT_NO":"0990899","SAMPLE_NO":"000000200603627400","SAMPLE_DATE":"04/26/2006","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.15","EXPOSURE_LIMIT":"0000.71","C_OVER_E":"00.21","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2006-04-26"},{"SOURCE_ROW_NUMBER":"46106","EVENT_NO":"0968323","SAMPLE_NO":"000000200304198500","SAMPLE_DATE":"05/13/2003","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.76","EXPOSURE_LIMIT":"0000.56","C_OVER_E":"01.36","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"CITATION/ORDER ISSUED","sourceDate":"2003-05-13"},{"SOURCE_ROW_NUMBER":"46105","EVENT_NO":"0968323","SAMPLE_NO":"000000200304198400","SAMPLE_DATE":"05/13/2003","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.30","EXPOSURE_LIMIT":"0000.75","C_OVER_E":"00.40","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2003-05-13"},{"SOURCE_ROW_NUMBER":"46104","EVENT_NO":"0968323","SAMPLE_NO":"000000200304198300","SAMPLE_DATE":"05/13/2003","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2003-05-13"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":4,"firstDate":"2001-07-17","lastDate":"2012-10-10","metrics":{"ss":1,"amountDue":329,"contested":0,"amountPaid":329,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":329},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1362504","VIOLATION_NO":"8665690","VIOLATION_ISSUE_DT":"10/10/2012","SIG_SUB":"N","PART_SECTION":"56.12005","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/10/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-10"},{"SOURCE_ROW_NUMBER":"1362505","VIOLATION_NO":"6158504","VIOLATION_ISSUE_DT":"11/17/2003","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/20/2003","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2003-11-17"},{"SOURCE_ROW_NUMBER":"1362502","VIOLATION_NO":"6158197","VIOLATION_ISSUE_DT":"05/13/2003","SIG_SUB":"Y","PART_SECTION":"56.5001(a/5)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/08/2003","PROPOSED_PENALTY":"114","AMOUNT_DUE":"114","AMOUNT_PAID":"114","CONTESTED_IND":"N","sourceDate":"2003-05-13"},{"SOURCE_ROW_NUMBER":"1362503","VIOLATION_NO":"7839672","VIOLATION_ISSUE_DT":"07/17/2001","SIG_SUB":"N","PART_SECTION":"56.14109(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/18/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-07-17"}]}],"safety":{"href":"/api/v1/mines/2103065/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2103065/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":"Protection of power conductors from mobile equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12005","part":"56","subchapter":"K","subpart":"K","id":"56.12005","citation":"30 CFR 56.12005","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":1},{"chapter":"I","heading":"Exposure limits for airborne contaminants.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-D/section-56.5001","part":"56","subchapter":"K","subpart":"D","id":"56.5001","citation":"30 CFR 56.5001","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":"Unguarded conveyors with adjacent travelways.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14109","part":"56","subchapter":"K","subpart":"M","id":"56.14109","citation":"30 CFR 56.14109","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":"2103065","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}