{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4003428","name":"Highway 70 Pit","status":"Abandoned","status_date":"2017-04-13","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"TN","county":"Rutherford","nearest_town":"Murfreesboro, TN","operator_id":"0125075","operator_name":"Charles R Farrer","controller_id":"0106265","controller_name":"Charles R  Farrer","district":"M3","office":"Franklin TN Field Office","employees":0,"latitude":35.834167,"longitude":-86.348333},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":186},"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":"4003428","name":"Highway 70 Pit"},"operator":{"type":"operator","id":"0125075","name":"Charles R Farrer"},"controller":{"type":"controller","id":"0106265","name":"Charles R  Farrer"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0125075","name":"Charles R Farrer"},"object":{"type":"mine","id":"4003428","name":"Highway 70 Pit"},"validFrom":"2012-09-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4003428|0125075|2012-09-17|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0106265","name":"Charles R  Farrer"},"object":{"type":"mine","id":"4003428","name":"Highway 70 Pit"},"validFrom":"2012-09-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4003428|0106265|2012-09-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0106265","name":"Charles R  Farrer"},"object":{"type":"operator","id":"0125075","name":"Charles R Farrer"},"validFrom":"2012-09-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"4003428","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4003428|0125075|2012-09-17|0106265|2012-09-17|18768"}}],"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":"2017-04-13","lastDate":"2017-04-13","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":12,"firstDate":"2012-10-01","lastDate":"2012-10-09","metrics":{"ss":5,"delinquent":12,"recentRows":0,"paidPenalty":2694.05,"proposedPenalty":2696,"currentAssessment":2696},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2085046","VIOLATION_NO":"8792136","ISSUE_DT":"10/09/2012","CFR_STANDARD_CD":"56.14100(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-09"},{"SOURCE_ROW_NUMBER":"2085045","VIOLATION_NO":"8792135","ISSUE_DT":"10/09/2012","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"243.00","CURRENT_ASSESSMENT_AMT":"243.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-09"},{"SOURCE_ROW_NUMBER":"2085044","VIOLATION_NO":"8792134","ISSUE_DT":"10/09/2012","CFR_STANDARD_CD":"56.14100(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":"2012-10-09"},{"SOURCE_ROW_NUMBER":"2085043","VIOLATION_NO":"8792133","ISSUE_DT":"10/09/2012","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-09"},{"SOURCE_ROW_NUMBER":"2085042","VIOLATION_NO":"8792132","ISSUE_DT":"10/01/2012","CFR_STANDARD_CD":"46.3(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2085041","VIOLATION_NO":"8792131","ISSUE_DT":"10/01/2012","CFR_STANDARD_CD":"46.5(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"897.00","CURRENT_ASSESSMENT_AMT":"897.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2085040","VIOLATION_NO":"8792130","ISSUE_DT":"10/01/2012","CFR_STANDARD_CD":"46.3(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2085039","VIOLATION_NO":"8792129","ISSUE_DT":"10/01/2012","CFR_STANDARD_CD":"46.5(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"270.00","CURRENT_ASSESSMENT_AMT":"270.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2085038","VIOLATION_NO":"8792128","ISSUE_DT":"10/01/2012","CFR_STANDARD_CD":"46.3(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2085037","VIOLATION_NO":"8792127","ISSUE_DT":"10/01/2012","CFR_STANDARD_CD":"46.5(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"343.00","CURRENT_ASSESSMENT_AMT":"343.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2085036","VIOLATION_NO":"8792126","ISSUE_DT":"10/01/2012","CFR_STANDARD_CD":"46.12(a)(2)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"243.00","CURRENT_ASSESSMENT_AMT":"243.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2085035","VIOLATION_NO":"8792125","ISSUE_DT":"10/01/2012","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-01"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":151,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":3,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-yearly","name":"Contractor Employment and Production — Yearly","domains":["contractors","production","safety"],"products":["long-run contractor trend","annual denominator reconciliation"],"rowCount":5,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":3,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"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":"2012-09-17","lastDate":"2012-09-17","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":3,"firstDate":"2012-10-01","lastDate":"2013-07-31","metrics":{"inspectors":3,"recentRows":0,"onSiteHours":15,"inspectionHours":30.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"407151","EVENT_NO":"6643094","INSPECTION_BEGIN_DT":"07/31/2013","INSPECTION_END_DT":"07/31/2013","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":".25","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2013-07-31"},{"SOURCE_ROW_NUMBER":"879638","EVENT_NO":"6522926","INSPECTION_BEGIN_DT":"10/01/2012","INSPECTION_END_DT":"10/18/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"26","SUM_TOTAL_ON_SITE_HOURS":"13.75","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"191448","EVENT_NO":"6522925","INSPECTION_BEGIN_DT":"10/01/2012","INSPECTION_END_DT":"10/01/2012","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2012-10-01"}]},{"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":12,"firstDate":"2012-10-01","lastDate":"2012-10-09","metrics":{"ss":5,"amountDue":2696,"contested":0,"amountPaid":2694.05,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":2696},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2087309","VIOLATION_NO":"8792136","VIOLATION_ISSUE_DT":"10/09/2012","SIG_SUB":"N","PART_SECTION":"56.14100(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/17/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-09"},{"SOURCE_ROW_NUMBER":"2087308","VIOLATION_NO":"8792135","VIOLATION_ISSUE_DT":"10/09/2012","SIG_SUB":"Y","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/17/2012","PROPOSED_PENALTY":"243","AMOUNT_DUE":"243","AMOUNT_PAID":"243","CONTESTED_IND":"N","sourceDate":"2012-10-09"},{"SOURCE_ROW_NUMBER":"2087307","VIOLATION_NO":"8792134","VIOLATION_ISSUE_DT":"10/09/2012","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/17/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-09"},{"SOURCE_ROW_NUMBER":"2087306","VIOLATION_NO":"8792133","VIOLATION_ISSUE_DT":"10/09/2012","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/17/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-09"},{"SOURCE_ROW_NUMBER":"2087305","VIOLATION_NO":"8792132","VIOLATION_ISSUE_DT":"10/01/2012","SIG_SUB":"N","PART_SECTION":"46.3(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"9","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/09/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2087304","VIOLATION_NO":"8792131","VIOLATION_ISSUE_DT":"10/01/2012","SIG_SUB":"Y","PART_SECTION":"46.5(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"9","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/13/2017","PROPOSED_PENALTY":"897","AMOUNT_DUE":"897","AMOUNT_PAID":"897","CONTESTED_IND":"N","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2087303","VIOLATION_NO":"8792130","VIOLATION_ISSUE_DT":"10/01/2012","SIG_SUB":"N","PART_SECTION":"46.3(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/09/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"98.05","CONTESTED_IND":"N","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2087302","VIOLATION_NO":"8792129","VIOLATION_ISSUE_DT":"10/01/2012","SIG_SUB":"Y","PART_SECTION":"46.5(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/13/2017","PROPOSED_PENALTY":"270","AMOUNT_DUE":"270","AMOUNT_PAID":"270","CONTESTED_IND":"N","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2087301","VIOLATION_NO":"8792128","VIOLATION_ISSUE_DT":"10/01/2012","SIG_SUB":"N","PART_SECTION":"46.3(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"3","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/09/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2087300","VIOLATION_NO":"8792127","VIOLATION_ISSUE_DT":"10/01/2012","SIG_SUB":"Y","PART_SECTION":"46.5(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"3","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/13/2017","PROPOSED_PENALTY":"343","AMOUNT_DUE":"343","AMOUNT_PAID":"343","CONTESTED_IND":"N","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2087299","VIOLATION_NO":"8792126","VIOLATION_ISSUE_DT":"10/01/2012","SIG_SUB":"Y","PART_SECTION":"46.12(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/01/2012","PROPOSED_PENALTY":"243","AMOUNT_DUE":"243","AMOUNT_PAID":"243","CONTESTED_IND":"N","sourceDate":"2012-10-01"},{"SOURCE_ROW_NUMBER":"2087298","VIOLATION_NO":"8792125","VIOLATION_ISSUE_DT":"10/01/2012","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/01/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-01"}]}],"safety":{"href":"/api/v1/mines/4003428/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4003428/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":"Safety defects; examination, correction and records.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100","part":"56","subchapter":"K","subpart":"M","id":"56.14100","citation":"30 CFR 56.14100","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":"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":"Training plans.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3","part":"46","subchapter":"H","subpart":"","id":"46.3","citation":"30 CFR 46.3","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":3},{"chapter":"I","heading":"New miner training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.5","part":"46","subchapter":"H","subpart":"","id":"46.5","citation":"30 CFR 46.5","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":3},{"chapter":"I","heading":"Responsibility for independent contractor training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.12","part":"46","subchapter":"H","subpart":"","id":"46.12","citation":"30 CFR 46.12","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":"Notification of commencement of operations and closing of mines.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000","part":"56","subchapter":"K","subpart":"A","id":"56.1000","citation":"30 CFR 56.1000","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":"4003428","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}