{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1700863","name":"2nd Read Portable Screen","status":"Intermittent","status_date":"2015-11-17","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"ME","county":"Hancock","nearest_town":"Hancock","operator_id":"L06327","operator_name":"Harold MacQuinn Inc","controller_id":"M05045","controller_name":"Ronald Paul  MacQuinn Jr","district":"M2","office":"Portsmouth NH Field Office","employees":2,"latitude":44.523611,"longitude":-68.362222},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":136},"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":"1700863","name":"2nd Read Portable Screen"},"operator":{"type":"operator","id":"L06327","name":"Harold MacQuinn Inc"},"controller":{"type":"controller","id":"M05045","name":"Ronald Paul  MacQuinn Jr"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05045","name":"Ronald Paul  MacQuinn Jr"},"object":{"type":"mine","id":"1700863","name":"2nd Read Portable Screen"},"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":"1700863|M05045|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06327","name":"Harold MacQuinn Inc"},"object":{"type":"mine","id":"1700863","name":"2nd Read Portable Screen"},"validFrom":"2010-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1700863|L06327|2010-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05045","name":"Ronald Paul  MacQuinn Jr"},"object":{"type":"operator","id":"L06327","name":"Harold MacQuinn Inc"},"validFrom":"2010-07-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1700863","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1700863|L06327|2010-07-01|M05045|1950-01-01|133548"}}],"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":"2015-11-17","lastDate":"2015-11-17","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":"2015-11-17","lastDate":"2017-12-12","metrics":{"ss":0,"delinquent":5,"recentRows":0,"paidPenalty":544,"proposedPenalty":544,"currentAssessment":544},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2480116","VIOLATION_NO":"9369605","ISSUE_DT":"12/12/2017","CFR_STANDARD_CD":"56.9100(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"118.00","CURRENT_ASSESSMENT_AMT":"118.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-12-12"},{"SOURCE_ROW_NUMBER":"2468723","VIOLATION_NO":"6756406","ISSUE_DT":"12/05/2016","CFR_STANDARD_CD":"50.30(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"114.00","CURRENT_ASSESSMENT_AMT":"114.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-12-05"},{"SOURCE_ROW_NUMBER":"2358673","VIOLATION_NO":"8922546","ISSUE_DT":"11/17/2015","CFR_STANDARD_CD":"46.6(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"112.00","CURRENT_ASSESSMENT_AMT":"112.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2015-11-17"},{"SOURCE_ROW_NUMBER":"2358672","VIOLATION_NO":"8922545","ISSUE_DT":"11/17/2015","CFR_STANDARD_CD":"56.18010","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2015-11-17"},{"SOURCE_ROW_NUMBER":"2358671","VIOLATION_NO":"8922544","ISSUE_DT":"11/17/2015","CFR_STANDARD_CD":"56.18002(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":"2015-11-17"}]},{"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":"2010-07-01","lastDate":"2010-07-01","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":12,"firstDate":"2015-11-17","lastDate":"2026-07-30","metrics":{"inspectors":13,"recentRows":6,"onSiteHours":38.25,"inspectionHours":122.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"680000","EVENT_NO":"F03EEF7","INSPECTION_BEGIN_DT":"07/30/2026","INSPECTION_END_DT":"08/01/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2026-07-30"},{"SOURCE_ROW_NUMBER":"567232","EVENT_NO":"F02664A","INSPECTION_BEGIN_DT":"07/17/2025","INSPECTION_END_DT":"07/18/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.75","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2025-07-17"},{"SOURCE_ROW_NUMBER":"1146103","EVENT_NO":"6928807","INSPECTION_BEGIN_DT":"10/03/2023","INSPECTION_END_DT":"10/04/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.25","SUM_TOTAL_ON_SITE_HOURS":"2.25","sourceDate":"2023-10-03"},{"SOURCE_ROW_NUMBER":"608762","EVENT_NO":"6923552","INSPECTION_BEGIN_DT":"12/07/2022","INSPECTION_END_DT":"12/07/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2022-12-07"},{"SOURCE_ROW_NUMBER":"172462","EVENT_NO":"6923116","INSPECTION_BEGIN_DT":"06/15/2022","INSPECTION_END_DT":"06/21/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.25","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2022-06-15"},{"SOURCE_ROW_NUMBER":"520654","EVENT_NO":"6896751","INSPECTION_BEGIN_DT":"08/16/2021","INSPECTION_END_DT":"08/18/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.75","SUM_TOTAL_ON_SITE_HOURS":"2.25","sourceDate":"2021-08-16"},{"SOURCE_ROW_NUMBER":"194045","EVENT_NO":"6813818","INSPECTION_BEGIN_DT":"10/23/2019","INSPECTION_END_DT":"10/24/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.75","SUM_TOTAL_ON_SITE_HOURS":"3.25","sourceDate":"2019-10-23"},{"SOURCE_ROW_NUMBER":"84477","EVENT_NO":"6814291","INSPECTION_BEGIN_DT":"11/04/2018","INSPECTION_END_DT":"11/15/2018","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2018-11-04"},{"SOURCE_ROW_NUMBER":"188941","EVENT_NO":"6758470","INSPECTION_BEGIN_DT":"12/11/2017","INSPECTION_END_DT":"12/14/2017","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"25.5","SUM_TOTAL_ON_SITE_HOURS":"13.5","sourceDate":"2017-12-11"},{"SOURCE_ROW_NUMBER":"411618","EVENT_NO":"6757207","INSPECTION_BEGIN_DT":"04/19/2017","INSPECTION_END_DT":"04/20/2017","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.75","SUM_TOTAL_ON_SITE_HOURS":"6.5","sourceDate":"2017-04-19"},{"SOURCE_ROW_NUMBER":"582713","EVENT_NO":"6752510","INSPECTION_BEGIN_DT":"11/28/2016","INSPECTION_END_DT":"12/05/2016","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2016-11-28"},{"SOURCE_ROW_NUMBER":"243970","EVENT_NO":"6689340","INSPECTION_BEGIN_DT":"11/17/2015","INSPECTION_END_DT":"11/18/2015","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"8.75","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2015-11-17"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":84,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":43,"employees":2,"production":0},"2025-Q4":{"hours":77,"employees":2,"production":0},"2025-Q3":{"hours":44,"employees":2,"production":0},"2025-Q2":{"hours":45,"employees":2,"production":0},"2025-Q1":{"hours":191,"employees":3,"production":0},"2024-Q4":{"hours":170,"employees":2,"production":0},"2024-Q3":{"hours":176,"employees":2,"production":0},"2024-Q2":{"hours":390,"employees":4,"production":0},"2024-Q1":{"hours":146,"employees":2,"production":0},"2023-Q4":{"hours":1275,"employees":3,"production":0},"2023-Q3":{"hours":1260,"employees":3,"production":0},"2023-Q2":{"hours":1165,"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":24,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":3291,"employees":3,"production":0},"2018":{"hours":1833,"employees":3,"production":0},"2019":{"hours":1969,"employees":3,"production":0},"2020":{"hours":1302,"employees":4,"production":0},"2021":{"hours":2539,"employees":3,"production":0},"2022":{"hours":2415,"employees":3,"production":0},"2023":{"hours":4078,"employees":3,"production":0},"2024":{"hours":882,"employees":3,"production":0},"2025":{"hours":357,"employees":2,"production":0},"2026":{"hours":43,"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":3,"firstDate":"2017-12-13","lastDate":"2021-08-17","metrics":{"recentRows":1,"actionTaken":3,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"256190","EVENT_NO":"6896751","SAMPLE_NO":"000000202103459100","SAMPLE_DATE":"08/17/2021","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":"2021-08-17"},{"SOURCE_ROW_NUMBER":"212344","EVENT_NO":"6758470","SAMPLE_NO":"000000201707380900","SAMPLE_DATE":"12/13/2017","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":"2017-12-13"},{"SOURCE_ROW_NUMBER":"212343","EVENT_NO":"6758470","SAMPLE_NO":"000000201707380800","SAMPLE_DATE":"12/13/2017","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":"2017-12-13"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":5,"firstDate":"2015-11-17","lastDate":"2017-12-12","metrics":{"ss":0,"amountDue":544,"contested":0,"amountPaid":544,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":544},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1242686","VIOLATION_NO":"9369605","VIOLATION_ISSUE_DT":"12/12/2017","SIG_SUB":"N","PART_SECTION":"56.9100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/12/2017","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2017-12-12"},{"SOURCE_ROW_NUMBER":"1242685","VIOLATION_NO":"6756406","VIOLATION_ISSUE_DT":"12/05/2016","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"12/05/2016","PROPOSED_PENALTY":"114","AMOUNT_DUE":"114","AMOUNT_PAID":"114","CONTESTED_IND":"N","sourceDate":"2016-12-05"},{"SOURCE_ROW_NUMBER":"1242684","VIOLATION_NO":"8922546","VIOLATION_ISSUE_DT":"11/17/2015","SIG_SUB":"N","PART_SECTION":"46.6(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/18/2015","PROPOSED_PENALTY":"112","AMOUNT_DUE":"112","AMOUNT_PAID":"112","CONTESTED_IND":"N","sourceDate":"2015-11-17"},{"SOURCE_ROW_NUMBER":"1242683","VIOLATION_NO":"8922545","VIOLATION_ISSUE_DT":"11/17/2015","SIG_SUB":"N","PART_SECTION":"56.18010","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/04/2016","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2015-11-17"},{"SOURCE_ROW_NUMBER":"1242682","VIOLATION_NO":"8922544","VIOLATION_ISSUE_DT":"11/17/2015","SIG_SUB":"N","PART_SECTION":"56.18002(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/18/2015","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2015-11-17"}]}],"safety":{"href":"/api/v1/mines/1700863/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1700863/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":"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":"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":1},{"chapter":"I","heading":"Newly hired experienced miner training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.6","part":"46","subchapter":"H","subpart":"","id":"46.6","citation":"30 CFR 46.6","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 46—TRAINING AND RETRAINING OF MINERS ENGAGED IN SHELL DREDGING OR EMPLOYED AT SAND, GRAVEL, SURFACE STONE, SURFACE CLAY, COLLOIDAL PHOSPHATE, OR SURFACE LIMESTONE MINES.","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"First aid.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18010","part":"56","subchapter":"K","subpart":"Q","id":"56.18010","citation":"30 CFR 56.18010","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1700863","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}