{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3901440","name":"UNIT # 1","status":"Abandoned","status_date":"2002-08-26","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"SD","county":"Pennington","nearest_town":"","operator_id":"L17499","operator_name":"Quinn Construction Inc","controller_id":"M13350","controller_name":"Robert J  Quinn","district":"M6","office":"Rapid City SD Field Office","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":68},"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":"3901440","name":"UNIT # 1"},"operator":{"type":"operator","id":"L17499","name":"Quinn Construction Inc"},"controller":{"type":"controller","id":"M13350","name":"Robert J  Quinn"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17499","name":"Quinn Construction Inc"},"object":{"type":"mine","id":"3901440","name":"UNIT # 1"},"validFrom":"2000-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901440|L17499|2000-05-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13350","name":"Robert J  Quinn"},"object":{"type":"mine","id":"3901440","name":"UNIT # 1"},"validFrom":"2000-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901440|M13350|2000-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13350","name":"Robert J  Quinn"},"object":{"type":"operator","id":"L17499","name":"Quinn Construction Inc"},"validFrom":"2000-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3901440","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901440|L17499|2000-05-01|M13350|2000-05-01|156058"}}],"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":"2002-08-26","lastDate":"2002-08-26","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":16,"firstDate":"2000-07-13","lastDate":"2001-10-10","metrics":{"ss":3,"delinquent":16,"recentRows":0,"paidPenalty":1168,"proposedPenalty":1168,"currentAssessment":1168},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"40155","VIOLATION_NO":"7935806","ISSUE_DT":"10/10/2001","CFR_STANDARD_CD":"46.11(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"40154","VIOLATION_NO":"7935805","ISSUE_DT":"10/10/2001","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":"2001-10-10"},{"SOURCE_ROW_NUMBER":"40153","VIOLATION_NO":"7935804","ISSUE_DT":"10/10/2001","CFR_STANDARD_CD":"56.14107(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":"2001-10-10"},{"SOURCE_ROW_NUMBER":"40152","VIOLATION_NO":"7935803","ISSUE_DT":"10/10/2001","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"140.00","CURRENT_ASSESSMENT_AMT":"140.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"40151","VIOLATION_NO":"7935802","ISSUE_DT":"10/10/2001","CFR_STANDARD_CD":"56.14132(b)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"40150","VIOLATION_NO":"7935801","ISSUE_DT":"10/10/2001","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"140.00","CURRENT_ASSESSMENT_AMT":"140.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"40149","VIOLATION_NO":"7935200","ISSUE_DT":"10/10/2001","CFR_STANDARD_CD":"56.12018","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"40148","VIOLATION_NO":"7935199","ISSUE_DT":"10/10/2001","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"173.00","CURRENT_ASSESSMENT_AMT":"173.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"40147","VIOLATION_NO":"7935198","ISSUE_DT":"10/10/2001","CFR_STANDARD_CD":"56.12008","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"22662","VIOLATION_NO":"7919714","ISSUE_DT":"11/08/2000","CFR_STANDARD_CD":"56.18002(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":"2000-11-08"},{"SOURCE_ROW_NUMBER":"22661","VIOLATION_NO":"7919713","ISSUE_DT":"11/08/2000","CFR_STANDARD_CD":"56.14101(a)(3)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-11-08"},{"SOURCE_ROW_NUMBER":"22660","VIOLATION_NO":"7919712","ISSUE_DT":"11/08/2000","CFR_STANDARD_CD":"56.12008","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2000-11-08"}]},{"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":"2000-05-01","lastDate":"2000-05-01","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":7,"firstDate":"2000-07-13","lastDate":"2002-07-02","metrics":{"inspectors":9,"recentRows":0,"onSiteHours":60,"inspectionHours":73,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"429726","EVENT_NO":"1065078","INSPECTION_BEGIN_DT":"07/02/2002","INSPECTION_END_DT":"07/02/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2002-07-02"},{"SOURCE_ROW_NUMBER":"236680","EVENT_NO":"0640100","INSPECTION_BEGIN_DT":"11/06/2001","INSPECTION_END_DT":"11/06/2001","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2001-11-06"},{"SOURCE_ROW_NUMBER":"153849","EVENT_NO":"0640090","INSPECTION_BEGIN_DT":"10/10/2001","INSPECTION_END_DT":"10/11/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"26","SUM_TOTAL_ON_SITE_HOURS":"24","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"750504","EVENT_NO":"0639924","INSPECTION_BEGIN_DT":"01/31/2001","INSPECTION_END_DT":"01/31/2001","ACTIVITY_CODE":"09","ACTIVITY":"VERBAL HAZARD COMPLAINT","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15","SUM_TOTAL_ON_SITE_HOURS":"12","sourceDate":"2001-01-31"},{"SOURCE_ROW_NUMBER":"614744","EVENT_NO":"0533186","INSPECTION_BEGIN_DT":"11/08/2000","INSPECTION_END_DT":"11/09/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2000-11-08"},{"SOURCE_ROW_NUMBER":"408780","EVENT_NO":"0606546","INSPECTION_BEGIN_DT":"08/10/2000","INSPECTION_END_DT":"08/10/2000","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2000-08-10"},{"SOURCE_ROW_NUMBER":"559272","EVENT_NO":"0606534","INSPECTION_BEGIN_DT":"07/13/2000","INSPECTION_END_DT":"07/13/2000","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2000-07-13"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":20,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002-Q3":{"hours":2148,"employees":9,"production":0},"2002-Q2":{"hours":2195,"employees":9,"production":0},"2002-Q1":{"hours":489,"employees":7,"production":0},"2001-Q4":{"hours":2587,"employees":8,"production":0},"2001-Q3":{"hours":2715,"employees":8,"production":0},"2001-Q2":{"hours":3760,"employees":27,"production":0},"2001-Q1":{"hours":1926,"employees":6,"production":0},"2000-Q4":{"hours":1843,"employees":7,"production":0},"2000-Q3":{"hours":1661,"employees":4,"production":0},"2000-Q2":{"hours":510,"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":6,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":4014,"employees":5,"production":0},"2001":{"hours":10988,"employees":13,"production":0},"2002":{"hours":4832,"employees":9,"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":16,"firstDate":"2000-07-13","lastDate":"2001-10-10","metrics":{"ss":3,"amountDue":1168,"contested":0,"amountPaid":1168,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":1168},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2039985","VIOLATION_NO":"7935806","VIOLATION_ISSUE_DT":"10/10/2001","SIG_SUB":"N","PART_SECTION":"46.11(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2039984","VIOLATION_NO":"7935805","VIOLATION_ISSUE_DT":"10/10/2001","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2039983","VIOLATION_NO":"7935804","VIOLATION_ISSUE_DT":"10/10/2001","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2039982","VIOLATION_NO":"7935803","VIOLATION_ISSUE_DT":"10/10/2001","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/11/2001","PROPOSED_PENALTY":"140","AMOUNT_DUE":"140","AMOUNT_PAID":"140","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2039981","VIOLATION_NO":"7935802","VIOLATION_ISSUE_DT":"10/10/2001","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":"10/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2039980","VIOLATION_NO":"7935801","VIOLATION_ISSUE_DT":"10/10/2001","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/11/2001","PROPOSED_PENALTY":"140","AMOUNT_DUE":"140","AMOUNT_PAID":"140","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2039979","VIOLATION_NO":"7935200","VIOLATION_ISSUE_DT":"10/10/2001","SIG_SUB":"N","PART_SECTION":"56.12018","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2039978","VIOLATION_NO":"7935199","VIOLATION_ISSUE_DT":"10/10/2001","SIG_SUB":"Y","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/11/2001","PROPOSED_PENALTY":"173","AMOUNT_DUE":"173","AMOUNT_PAID":"173","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2039977","VIOLATION_NO":"7935198","VIOLATION_ISSUE_DT":"10/10/2001","SIG_SUB":"N","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/11/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-10-10"},{"SOURCE_ROW_NUMBER":"2039989","VIOLATION_NO":"7919714","VIOLATION_ISSUE_DT":"11/08/2000","SIG_SUB":"N","PART_SECTION":"56.18002(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"3","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/08/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-11-08"},{"SOURCE_ROW_NUMBER":"2039988","VIOLATION_NO":"7919713","VIOLATION_ISSUE_DT":"11/08/2000","SIG_SUB":"N","PART_SECTION":"56.14101(a)(3)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/09/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-11-08"},{"SOURCE_ROW_NUMBER":"2039987","VIOLATION_NO":"7919712","VIOLATION_ISSUE_DT":"11/08/2000","SIG_SUB":"N","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/09/2000","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2000-11-08"}]}],"safety":{"href":"/api/v1/mines/3901440/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3901440/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":"Site-specific hazard awareness training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.11","part":"46","subchapter":"H","subpart":"","id":"46.11","citation":"30 CFR 46.11","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":"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":"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":3},{"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":2},{"chapter":"I","heading":"Identification of power switches.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018","part":"56","subchapter":"K","subpart":"K","id":"56.12018","citation":"30 CFR 56.12018","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":"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":2},{"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":"Brakes.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101","part":"56","subchapter":"K","subpart":"M","id":"56.14101","citation":"30 CFR 56.14101","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":"3901440","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}