{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2104006","name":"Headwaters Concrete LLC","status":"Intermittent","status_date":"2021-11-08","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MN","county":"Hubbard","nearest_town":"Laporte","operator_id":"0177373","operator_name":"Headwaters Concrete LLC","controller_id":"0055029","controller_name":"Dale C Vogt","district":"M4","office":"Hibbing MN Field Office","employees":2,"latitude":47.216389,"longitude":-94.842222},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":82},"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":"2104006","name":"Headwaters Concrete LLC"},"operator":{"type":"operator","id":"0177373","name":"Headwaters Concrete LLC"},"controller":{"type":"controller","id":"0055029","name":"Dale C Vogt"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0177373","name":"Headwaters Concrete LLC"},"object":{"type":"mine","id":"2104006","name":"Headwaters Concrete LLC"},"validFrom":"2021-06-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104006|0177373|2021-06-07|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0055029","name":"Dale C Vogt"},"object":{"type":"mine","id":"2104006","name":"Headwaters Concrete LLC"},"validFrom":"2021-06-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104006|0055029|2021-06-07|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0055029","name":"Dale C Vogt"},"object":{"type":"operator","id":"0177373","name":"Headwaters Concrete LLC"},"validFrom":"2021-06-07","validTo":null,"current":true,"derived":true,"evidenceMineId":"2104006","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2104006|0177373|2021-06-07|0055029|2021-06-07|7079"}}],"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":"2021-11-08","lastDate":"2021-11-08","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":14,"firstDate":"2022-08-18","lastDate":"2026-06-22","metrics":{"ss":2,"delinquent":13,"recentRows":14,"paidPenalty":2152,"proposedPenalty":2152,"currentAssessment":2152},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3028217","VIOLATION_NO":"5115539","ISSUE_DT":"06/22/2026","CFR_STANDARD_CD":"56.14101(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-06-22"},{"SOURCE_ROW_NUMBER":"3028216","VIOLATION_NO":"5115538","ISSUE_DT":"06/22/2026","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-06-22"},{"SOURCE_ROW_NUMBER":"2770362","VIOLATION_NO":"8888765","ISSUE_DT":"05/15/2024","CFR_STANDARD_CD":"50.30(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-05-15"},{"SOURCE_ROW_NUMBER":"2770361","VIOLATION_NO":"8888764","ISSUE_DT":"05/15/2024","CFR_STANDARD_CD":"56.14101(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-05-15"},{"SOURCE_ROW_NUMBER":"2770360","VIOLATION_NO":"8888763","ISSUE_DT":"05/15/2024","CFR_STANDARD_CD":"56.12008","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-05-15"},{"SOURCE_ROW_NUMBER":"2770359","VIOLATION_NO":"8888762","ISSUE_DT":"05/15/2024","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-05-15"},{"SOURCE_ROW_NUMBER":"2700945","VIOLATION_NO":"9625802","ISSUE_DT":"07/19/2023","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-07-19"},{"SOURCE_ROW_NUMBER":"2594466","VIOLATION_NO":"9624340","ISSUE_DT":"08/18/2022","CFR_STANDARD_CD":"56.11002","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-08-18"},{"SOURCE_ROW_NUMBER":"2594465","VIOLATION_NO":"9624339","ISSUE_DT":"08/18/2022","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-08-18"},{"SOURCE_ROW_NUMBER":"2594464","VIOLATION_NO":"9624338","ISSUE_DT":"08/18/2022","CFR_STANDARD_CD":"56.14112(a)(1)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"321.00","CURRENT_ASSESSMENT_AMT":"321.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-08-18"},{"SOURCE_ROW_NUMBER":"2594463","VIOLATION_NO":"9624337","ISSUE_DT":"08/18/2022","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-08-18"},{"SOURCE_ROW_NUMBER":"2594462","VIOLATION_NO":"9624336","ISSUE_DT":"08/18/2022","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-08-18"}]},{"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":"2021-06-07","lastDate":"2021-06-07","metrics":{"recentRows":1,"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":"2022-08-18","lastDate":"2026-07-06","metrics":{"inspectors":6,"recentRows":7,"onSiteHours":21.75,"inspectionHours":45,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"18454","EVENT_NO":"F035B4A","INSPECTION_BEGIN_DT":"07/06/2026","INSPECTION_END_DT":"07/06/2026","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2026-07-06"},{"SOURCE_ROW_NUMBER":"691040","EVENT_NO":"F035B48","INSPECTION_BEGIN_DT":"06/22/2026","INSPECTION_END_DT":"06/22/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"4.75","sourceDate":"2026-06-22"},{"SOURCE_ROW_NUMBER":"172393","EVENT_NO":"F01C1DB","INSPECTION_BEGIN_DT":"07/24/2025","INSPECTION_END_DT":"07/24/2025","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2025-07-24"},{"SOURCE_ROW_NUMBER":"397385","EVENT_NO":"6956017","INSPECTION_BEGIN_DT":"05/15/2024","INSPECTION_END_DT":"05/16/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.75","SUM_TOTAL_ON_SITE_HOURS":"4.25","sourceDate":"2024-05-15"},{"SOURCE_ROW_NUMBER":"785444","EVENT_NO":"6907803","INSPECTION_BEGIN_DT":"07/19/2023","INSPECTION_END_DT":"07/19/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.75","SUM_TOTAL_ON_SITE_HOURS":"2.75","sourceDate":"2023-07-19"},{"SOURCE_ROW_NUMBER":"1107416","EVENT_NO":"6579772","INSPECTION_BEGIN_DT":"05/17/2023","INSPECTION_END_DT":"05/18/2023","ACTIVITY_CODE":"E17","ACTIVITY":"Special Emphasis Programs","NBR_INSPECTOR":"0","SUM_TOTAL_INSP_HOURS":"0","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2023-05-17"},{"SOURCE_ROW_NUMBER":"144208","EVENT_NO":"6836781","INSPECTION_BEGIN_DT":"08/18/2022","INSPECTION_END_DT":"08/19/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12.5","SUM_TOTAL_ON_SITE_HOURS":"7.5","sourceDate":"2022-08-18"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":34,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":200,"employees":2,"production":0},"2026-Q1":{"hours":0,"employees":0,"production":0},"2025-Q4":{"hours":60,"employees":1,"production":0},"2025-Q3":{"hours":272,"employees":4,"production":0},"2025-Q2":{"hours":472,"employees":6,"production":0},"2025-Q1":{"hours":0,"employees":0,"production":0},"2024-Q4":{"hours":760,"employees":4,"production":0},"2024-Q3":{"hours":645,"employees":5,"production":0},"2024-Q2":{"hours":1952,"employees":5,"production":0},"2024-Q1":{"hours":0,"employees":0,"production":0},"2023-Q4":{"hours":1280,"employees":4,"production":0},"2023-Q3":{"hours":3690,"employees":8,"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":10,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2022":{"hours":1971,"employees":3,"production":0},"2023":{"hours":5170,"employees":5,"production":0},"2024":{"hours":3357,"employees":5,"production":0},"2025":{"hours":804,"employees":5,"production":0},"2026":{"hours":200,"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":14,"firstDate":"2022-08-18","lastDate":"2026-06-22","metrics":{"ss":2,"amountDue":2152,"contested":0,"amountPaid":2152,"recentRows":14,"section104d":0,"unterminated":0,"proposedPenalty":2152},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1387661","VIOLATION_NO":"5115539","VIOLATION_ISSUE_DT":"06/22/2026","SIG_SUB":"N","PART_SECTION":"56.14101(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/06/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-06-22"},{"SOURCE_ROW_NUMBER":"1387660","VIOLATION_NO":"5115538","VIOLATION_ISSUE_DT":"06/22/2026","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"06/22/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-06-22"},{"SOURCE_ROW_NUMBER":"1387659","VIOLATION_NO":"8888765","VIOLATION_ISSUE_DT":"05/15/2024","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/15/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-05-15"},{"SOURCE_ROW_NUMBER":"1387658","VIOLATION_NO":"8888764","VIOLATION_ISSUE_DT":"05/15/2024","SIG_SUB":"N","PART_SECTION":"56.14101(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/15/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-05-15"},{"SOURCE_ROW_NUMBER":"1387657","VIOLATION_NO":"8888763","VIOLATION_ISSUE_DT":"05/15/2024","SIG_SUB":"N","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/15/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-05-15"},{"SOURCE_ROW_NUMBER":"1387656","VIOLATION_NO":"8888762","VIOLATION_ISSUE_DT":"05/15/2024","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/15/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-05-15"},{"SOURCE_ROW_NUMBER":"1387662","VIOLATION_NO":"9625802","VIOLATION_ISSUE_DT":"07/19/2023","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/19/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-07-19"},{"SOURCE_ROW_NUMBER":"1387669","VIOLATION_NO":"9624340","VIOLATION_ISSUE_DT":"08/18/2022","SIG_SUB":"Y","PART_SECTION":"56.11002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/19/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-08-18"},{"SOURCE_ROW_NUMBER":"1387668","VIOLATION_NO":"9624339","VIOLATION_ISSUE_DT":"08/18/2022","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/18/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-08-18"},{"SOURCE_ROW_NUMBER":"1387667","VIOLATION_NO":"9624338","VIOLATION_ISSUE_DT":"08/18/2022","SIG_SUB":"Y","PART_SECTION":"56.14112(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/18/2022","PROPOSED_PENALTY":"321","AMOUNT_DUE":"321","AMOUNT_PAID":"321","CONTESTED_IND":"N","sourceDate":"2022-08-18"},{"SOURCE_ROW_NUMBER":"1387666","VIOLATION_NO":"9624337","VIOLATION_ISSUE_DT":"08/18/2022","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/18/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-08-18"},{"SOURCE_ROW_NUMBER":"1387665","VIOLATION_NO":"9624336","VIOLATION_ISSUE_DT":"08/18/2022","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/18/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-08-18"}]}],"safety":{"href":"/api/v1/mines/2104006/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2104006/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":"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":2},{"chapter":"I","heading":"Electrical conductors.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004","part":"56","subchapter":"K","subpart":"K","id":"56.12004","citation":"30 CFR 56.12004","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":6},{"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":"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":"Handrails and toeboards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002","part":"56","subchapter":"K","subpart":"J","id":"56.11002","citation":"30 CFR 56.11002","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2104006","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}