{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"2902297","name":"Tortuga Mesa Mine","status":"Abandoned","status_date":"2007-03-21","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"NM","county":"Taos","nearest_town":"El Prado","operator_id":"0065263","operator_name":"J & R Excavation & Concrete Specialty Inc","controller_id":"0054689","controller_name":"Jason A  Rael","district":"M5","office":"Albuquerque NM Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":30},"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":"2026-10-17T05:35:58.500035+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":"2902297","name":"Tortuga Mesa Mine"},"operator":{"type":"operator","id":"0065263","name":"J & R Excavation & Concrete Specialty Inc"},"controller":{"type":"controller","id":"0054689","name":"Jason A  Rael"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0065263","name":"J & R Excavation & Concrete Specialty Inc"},"object":{"type":"mine","id":"2902297","name":"Tortuga Mesa Mine"},"validFrom":"2005-10-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2902297|0065263|2005-10-27|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0054689","name":"Jason A  Rael"},"object":{"type":"mine","id":"2902297","name":"Tortuga Mesa Mine"},"validFrom":"2005-10-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2902297|0054689|2005-10-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0054689","name":"Jason A  Rael"},"object":{"type":"operator","id":"0065263","name":"J & R Excavation & Concrete Specialty Inc"},"validFrom":"2005-10-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"2902297","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2902297|0065263|2005-10-27|0054689|2005-10-27|7011"}}],"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":"2007-03-21","lastDate":"2007-03-21","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":9,"firstDate":"2006-03-07","lastDate":"2006-03-09","metrics":{"ss":3,"delinquent":9,"recentRows":0,"paidPenalty":0,"proposedPenalty":682,"currentAssessment":682},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"427474","VIOLATION_NO":"6245135","ISSUE_DT":"03/09/2006","CFR_STANDARD_CD":"62.120","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-03-09"},{"SOURCE_ROW_NUMBER":"427473","VIOLATION_NO":"6245133","ISSUE_DT":"03/07/2006","CFR_STANDARD_CD":"56.4200(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"427472","VIOLATION_NO":"6245132","ISSUE_DT":"03/07/2006","CFR_STANDARD_CD":"56.14130(i)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"124.00","CURRENT_ASSESSMENT_AMT":"124.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"427471","VIOLATION_NO":"6245131","ISSUE_DT":"03/07/2006","CFR_STANDARD_CD":"56.12002","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"99.00","CURRENT_ASSESSMENT_AMT":"99.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"427470","VIOLATION_NO":"6245130","ISSUE_DT":"03/07/2006","CFR_STANDARD_CD":"56.12002","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"427469","VIOLATION_NO":"6245129","ISSUE_DT":"03/07/2006","CFR_STANDARD_CD":"56.12002","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"427468","VIOLATION_NO":"6245128","ISSUE_DT":"03/07/2006","CFR_STANDARD_CD":"56.12008","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"427467","VIOLATION_NO":"6245127","ISSUE_DT":"03/07/2006","CFR_STANDARD_CD":"56.11001","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"99.00","CURRENT_ASSESSMENT_AMT":"99.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"427466","VIOLATION_NO":"6245126","ISSUE_DT":"03/07/2006","CFR_STANDARD_CD":"56.12032","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-03-07"}]},{"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":"2005-10-27","lastDate":"2005-10-27","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":5,"firstDate":"2006-03-06","lastDate":"2007-03-13","metrics":{"inspectors":4,"recentRows":0,"onSiteHours":23,"inspectionHours":45.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"960114","EVENT_NO":"1044625","INSPECTION_BEGIN_DT":"03/13/2007","INSPECTION_END_DT":"03/13/2007","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"0","SUM_TOTAL_INSP_HOURS":"0","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2007-03-13"},{"SOURCE_ROW_NUMBER":"1150262","EVENT_NO":"1031663","INSPECTION_BEGIN_DT":"04/11/2006","INSPECTION_END_DT":"04/12/2006","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2006-04-11"},{"SOURCE_ROW_NUMBER":"858419","EVENT_NO":"1044014","INSPECTION_BEGIN_DT":"03/22/2006","INSPECTION_END_DT":"03/22/2006","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2006-03-22"},{"SOURCE_ROW_NUMBER":"871568","EVENT_NO":"1044012","INSPECTION_BEGIN_DT":"03/16/2006","INSPECTION_END_DT":"03/16/2006","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2006-03-16"},{"SOURCE_ROW_NUMBER":"171747","EVENT_NO":"1044009","INSPECTION_BEGIN_DT":"03/06/2006","INSPECTION_END_DT":"03/09/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"29.5","SUM_TOTAL_ON_SITE_HOURS":"16.5","sourceDate":"2006-03-06"}]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2005":{"hours":1200,"employees":4,"production":0},"2006":{"hours":2808,"employees":5,"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":"2006-03-09","lastDate":"2006-03-09","metrics":{"recentRows":0,"actionTaken":2,"maxExposureRatio":0.23,"overExposureLimit":0,"exposureRatioTotal":0.23},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"62483","EVENT_NO":"1044009","SAMPLE_NO":"000000200602033900","SAMPLE_DATE":"03/09/2006","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":"2006-03-09"},{"SOURCE_ROW_NUMBER":"62482","EVENT_NO":"1044009","SAMPLE_NO":"000000200602033800","SAMPLE_DATE":"03/09/2006","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.24","EXPOSURE_LIMIT":"0001.04","C_OVER_E":"00.23","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2006-03-09"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":9,"firstDate":"2006-03-07","lastDate":"2006-03-09","metrics":{"ss":3,"amountDue":682,"contested":0,"amountPaid":0,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":682},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1619299","VIOLATION_NO":"6245135","VIOLATION_ISSUE_DT":"03/09/2006","SIG_SUB":"N","PART_SECTION":"62.120","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/12/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2006-03-09"},{"SOURCE_ROW_NUMBER":"1619298","VIOLATION_NO":"6245133","VIOLATION_ISSUE_DT":"03/07/2006","SIG_SUB":"N","PART_SECTION":"56.4200(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/09/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"1619297","VIOLATION_NO":"6245132","VIOLATION_ISSUE_DT":"03/07/2006","SIG_SUB":"Y","PART_SECTION":"56.14130(i)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/08/2006","PROPOSED_PENALTY":"124","AMOUNT_DUE":"124","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"1619296","VIOLATION_NO":"6245131","VIOLATION_ISSUE_DT":"03/07/2006","SIG_SUB":"Y","PART_SECTION":"56.12002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/16/2006","PROPOSED_PENALTY":"99","AMOUNT_DUE":"99","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"1619295","VIOLATION_NO":"6245130","VIOLATION_ISSUE_DT":"03/07/2006","SIG_SUB":"N","PART_SECTION":"56.12002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/08/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"1619294","VIOLATION_NO":"6245129","VIOLATION_ISSUE_DT":"03/07/2006","SIG_SUB":"N","PART_SECTION":"56.12002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/08/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"1619293","VIOLATION_NO":"6245128","VIOLATION_ISSUE_DT":"03/07/2006","SIG_SUB":"N","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/22/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"1619292","VIOLATION_NO":"6245127","VIOLATION_ISSUE_DT":"03/07/2006","SIG_SUB":"Y","PART_SECTION":"56.11001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/16/2006","PROPOSED_PENALTY":"99","AMOUNT_DUE":"99","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2006-03-07"},{"SOURCE_ROW_NUMBER":"1619291","VIOLATION_NO":"6245126","VIOLATION_ISSUE_DT":"03/07/2006","SIG_SUB":"N","PART_SECTION":"56.12032","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/16/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2006-03-07"}]}],"safety":{"href":"/api/v1/mines/2902297/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2902297/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":"Action level.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.120","part":"62","subchapter":"M","subpart":"","id":"62.120","citation":"30 CFR 62.120","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER M—UNIFORM MINE HEALTH REGULATIONS","partHeading":"PART 62—OCCUPATIONAL NOISE EXPOSURE","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"General requirements.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4200","part":"56","subchapter":"K","subpart":"C","id":"56.4200","citation":"30 CFR 56.4200","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":"Controls and switches.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12002","part":"56","subchapter":"K","subpart":"K","id":"56.12002","citation":"30 CFR 56.12002","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":"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":"Safe access.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001","part":"56","subchapter":"K","subpart":"J","id":"56.11001","citation":"30 CFR 56.11001","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":"Inspection and cover plates.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032","part":"56","subchapter":"K","subpart":"K","id":"56.12032","citation":"30 CFR 56.12032","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":"2902297","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}