{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2302484","name":"T&M Stone Quarry LLC","status":"Abandoned","status_date":"2017-07-27","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"MO","county":"Polk","nearest_town":"Fair Play","operator_id":"L14740","operator_name":"T & M Stone Quarry LLC","controller_id":"M11215","controller_name":"Leroy  Tarr; Wanda  Tarr","district":"C10","office":"Rolla MO Field Office","employees":0,"latitude":37.62247,"longitude":-93.630886},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":53},"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":"2302484","name":"T&M Stone Quarry LLC"},"operator":{"type":"operator","id":"L14740","name":"T & M Stone Quarry LLC"},"controller":{"type":"controller","id":"M11215","name":"Leroy  Tarr; Wanda  Tarr"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11215","name":"Wanda  Tarr et al"},"object":{"type":"mine","id":"2302484","name":"T&M Stone Quarry LLC"},"validFrom":"1996-04-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302484|M11215|1996-04-29|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14740","name":"T & M Stone Quarry LLC"},"object":{"type":"mine","id":"2302484","name":"T&M Stone Quarry LLC"},"validFrom":"2014-10-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302484|L14740|2014-10-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11215","name":"Wanda  Tarr et al"},"object":{"type":"operator","id":"L14740","name":"T & M Stone Quarry LLC"},"validFrom":"2014-10-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"2302484","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302484|L14740|2014-10-22|M11215|1996-04-29|150934"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11215","name":"Leroy  Tarr et al"},"object":{"type":"operator","id":"L14740","name":"T & M Stone Quarry LLC"},"validFrom":"2014-10-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"2302484","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2302484|L14740|2014-10-22|M11215|1996-04-29|150935"}}],"coverage":{"historyRecords":2,"edgeCount":4,"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":"2017-07-27","lastDate":"2017-07-27","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":10,"firstDate":"2016-01-26","lastDate":"2017-02-24","metrics":{"ss":3,"delinquent":10,"recentRows":0,"paidPenalty":928.58,"proposedPenalty":1130,"currentAssessment":1130},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2443120","VIOLATION_NO":"9352006","ISSUE_DT":"02/24/2017","CFR_STANDARD_CD":"50.30(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"116.00","CURRENT_ASSESSMENT_AMT":"116.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-02-24"},{"SOURCE_ROW_NUMBER":"2443119","VIOLATION_NO":"9352005","ISSUE_DT":"02/23/2017","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"116.00","CURRENT_ASSESSMENT_AMT":"116.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-02-23"},{"SOURCE_ROW_NUMBER":"2443118","VIOLATION_NO":"9352004","ISSUE_DT":"02/23/2017","CFR_STANDARD_CD":"56.9300(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"116.00","CURRENT_ASSESSMENT_AMT":"116.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-02-23"},{"SOURCE_ROW_NUMBER":"2443117","VIOLATION_NO":"9352003","ISSUE_DT":"02/23/2017","CFR_STANDARD_CD":"56.11002","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"116.00","CURRENT_ASSESSMENT_AMT":"116.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-02-23"},{"SOURCE_ROW_NUMBER":"2443116","VIOLATION_NO":"9352002","ISSUE_DT":"02/23/2017","CFR_STANDARD_CD":"56.16006","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"116.00","CURRENT_ASSESSMENT_AMT":"116.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-02-23"},{"SOURCE_ROW_NUMBER":"2425336","VIOLATION_NO":"8961063","ISSUE_DT":"07/20/2016","CFR_STANDARD_CD":"56.12019","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"114.00","CURRENT_ASSESSMENT_AMT":"114.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-07-20"},{"SOURCE_ROW_NUMBER":"2425335","VIOLATION_NO":"8961062","ISSUE_DT":"07/20/2016","CFR_STANDARD_CD":"56.4402","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"114.00","CURRENT_ASSESSMENT_AMT":"114.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-07-20"},{"SOURCE_ROW_NUMBER":"2425334","VIOLATION_NO":"8961061","ISSUE_DT":"07/20/2016","CFR_STANDARD_CD":"56.14132(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":"2016-07-20"},{"SOURCE_ROW_NUMBER":"2424235","VIOLATION_NO":"8867433","ISSUE_DT":"01/26/2016","CFR_STANDARD_CD":"56.4201(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-01-26"},{"SOURCE_ROW_NUMBER":"2424234","VIOLATION_NO":"8867432","ISSUE_DT":"01/26/2016","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-01-26"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":2,"firstDate":"2014-10-22","lastDate":"2014-10-22","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":6,"firstDate":"2015-09-16","lastDate":"2017-03-22","metrics":{"inspectors":6,"recentRows":0,"onSiteHours":20,"inspectionHours":52,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"13477","EVENT_NO":"6740205","INSPECTION_BEGIN_DT":"03/22/2017","INSPECTION_END_DT":"03/22/2017","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.25","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2017-03-22"},{"SOURCE_ROW_NUMBER":"555246","EVENT_NO":"6740203","INSPECTION_BEGIN_DT":"02/23/2017","INSPECTION_END_DT":"02/24/2017","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.25","SUM_TOTAL_ON_SITE_HOURS":"7.75","sourceDate":"2017-02-23"},{"SOURCE_ROW_NUMBER":"103857","EVENT_NO":"6736840","INSPECTION_BEGIN_DT":"12/12/2016","INSPECTION_END_DT":"12/13/2016","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2016-12-12"},{"SOURCE_ROW_NUMBER":"72401","EVENT_NO":"6731974","INSPECTION_BEGIN_DT":"07/20/2016","INSPECTION_END_DT":"07/21/2016","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.75","SUM_TOTAL_ON_SITE_HOURS":"4.25","sourceDate":"2016-07-20"},{"SOURCE_ROW_NUMBER":"96797","EVENT_NO":"6731347","INSPECTION_BEGIN_DT":"01/25/2016","INSPECTION_END_DT":"01/26/2016","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11.25","SUM_TOTAL_ON_SITE_HOURS":"3.75","sourceDate":"2016-01-25"},{"SOURCE_ROW_NUMBER":"727202","EVENT_NO":"6660229","INSPECTION_BEGIN_DT":"09/16/2015","INSPECTION_END_DT":"09/16/2015","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2015-09-16"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":16,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017-Q1":{"hours":902,"employees":3,"production":0},"2016-Q4":{"hours":844,"employees":4,"production":0},"2016-Q3":{"hours":1972,"employees":4,"production":0},"2016-Q2":{"hours":1280,"employees":6,"production":0},"2016-Q1":{"hours":1179,"employees":4,"production":0},"2015-Q4":{"hours":1193,"employees":5,"production":0},"2015-Q1":{"hours":731,"employees":2,"production":0},"2014-Q4":{"hours":987,"employees":2,"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":7,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2014":{"hours":987,"employees":2,"production":0},"2015":{"hours":1924,"employees":4,"production":0},"2016":{"hours":5275,"employees":5,"production":0},"2017":{"hours":902,"employees":3,"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":10,"firstDate":"2016-01-26","lastDate":"2017-02-24","metrics":{"ss":3,"amountDue":1130,"contested":0,"amountPaid":928.58,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":1130},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1451183","VIOLATION_NO":"9352006","VIOLATION_ISSUE_DT":"02/24/2017","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/24/2017","PROPOSED_PENALTY":"116","AMOUNT_DUE":"116","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2017-02-24"},{"SOURCE_ROW_NUMBER":"1451182","VIOLATION_NO":"9352005","VIOLATION_ISSUE_DT":"02/23/2017","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"02/23/2017","PROPOSED_PENALTY":"116","AMOUNT_DUE":"116","AMOUNT_PAID":"79.14","CONTESTED_IND":"N","sourceDate":"2017-02-23"},{"SOURCE_ROW_NUMBER":"1451181","VIOLATION_NO":"9352004","VIOLATION_ISSUE_DT":"02/23/2017","SIG_SUB":"N","PART_SECTION":"56.9300(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/23/2017","PROPOSED_PENALTY":"116","AMOUNT_DUE":"116","AMOUNT_PAID":"116","CONTESTED_IND":"N","sourceDate":"2017-02-23"},{"SOURCE_ROW_NUMBER":"1451180","VIOLATION_NO":"9352003","VIOLATION_ISSUE_DT":"02/23/2017","SIG_SUB":"Y","PART_SECTION":"56.11002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/23/2017","PROPOSED_PENALTY":"116","AMOUNT_DUE":"116","AMOUNT_PAID":"116","CONTESTED_IND":"N","sourceDate":"2017-02-23"},{"SOURCE_ROW_NUMBER":"1451179","VIOLATION_NO":"9352002","VIOLATION_ISSUE_DT":"02/23/2017","SIG_SUB":"N","PART_SECTION":"56.16006","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/23/2017","PROPOSED_PENALTY":"116","AMOUNT_DUE":"116","AMOUNT_PAID":"116","CONTESTED_IND":"N","sourceDate":"2017-02-23"},{"SOURCE_ROW_NUMBER":"1451186","VIOLATION_NO":"8961063","VIOLATION_ISSUE_DT":"07/20/2016","SIG_SUB":"Y","PART_SECTION":"56.12019","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/20/2016","PROPOSED_PENALTY":"114","AMOUNT_DUE":"114","AMOUNT_PAID":"114","CONTESTED_IND":"N","sourceDate":"2016-07-20"},{"SOURCE_ROW_NUMBER":"1451185","VIOLATION_NO":"8961062","VIOLATION_ISSUE_DT":"07/20/2016","SIG_SUB":"N","PART_SECTION":"56.4402","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/21/2016","PROPOSED_PENALTY":"114","AMOUNT_DUE":"114","AMOUNT_PAID":"114","CONTESTED_IND":"N","sourceDate":"2016-07-20"},{"SOURCE_ROW_NUMBER":"1451184","VIOLATION_NO":"8961061","VIOLATION_ISSUE_DT":"07/20/2016","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/21/2016","PROPOSED_PENALTY":"114","AMOUNT_DUE":"114","AMOUNT_PAID":"114","CONTESTED_IND":"N","sourceDate":"2016-07-20"},{"SOURCE_ROW_NUMBER":"1451178","VIOLATION_NO":"8867433","VIOLATION_ISSUE_DT":"01/26/2016","SIG_SUB":"N","PART_SECTION":"56.4201(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"01/26/2016","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"51.44","CONTESTED_IND":"N","sourceDate":"2016-01-26"},{"SOURCE_ROW_NUMBER":"1451177","VIOLATION_NO":"8867432","VIOLATION_ISSUE_DT":"01/26/2016","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/26/2016","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2016-01-26"}]}],"safety":{"href":"/api/v1/mines/2302484/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2302484/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":"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":"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":"Berms or guardrails.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300","part":"56","subchapter":"K","subpart":"H","id":"56.9300","citation":"30 CFR 56.9300","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":"Protection of gas cylinder valves.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006","part":"56","subchapter":"K","subpart":"O","id":"56.16006","citation":"30 CFR 56.16006","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":"Access to stationary electrical equipment or switchgear.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12019","part":"56","subchapter":"K","subpart":"K","id":"56.12019","citation":"30 CFR 56.12019","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":"Safety can use.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4402","part":"56","subchapter":"K","subpart":"C","id":"56.4402","citation":"30 CFR 56.4402","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.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201","part":"56","subchapter":"K","subpart":"C","id":"56.4201","citation":"30 CFR 56.4201","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":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2302484","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}