{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"0103214","name":"River Farms Pit","status":"Abandoned","status_date":"2005-12-16","mine_type":"Surface","coal_metal":"M","commodity":"Common Clays NEC","state":"AL","county":"Elmore","nearest_town":"Millbrook","operator_id":"L01719","operator_name":"Jenkins Brick Company","controller_id":"M01543","controller_name":"Jenkins Brick Company","district":"M3","office":"Birmingham AL Field Office (A)","employees":0,"latitude":32.494324,"longitude":-86.369747},"coverage":{"contributingSources":9,"registeredSources":20,"sourceRows":77},"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":"0103214","name":"River Farms Pit"},"operator":{"type":"operator","id":"L01719","name":"Jenkins Brick Company"},"controller":{"type":"controller","id":"M01543","name":"Jenkins Brick Company"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01543","name":"Jenkins Brick Company"},"object":{"type":"mine","id":"0103214","name":"River Farms Pit"},"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":"0103214|M01543|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01719","name":"Jenkins Brick Company"},"object":{"type":"mine","id":"0103214","name":"River Farms Pit"},"validFrom":"2001-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103214|L01719|2001-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01543","name":"Jenkins Brick Company"},"object":{"type":"operator","id":"L01719","name":"Jenkins Brick Company"},"validFrom":"2001-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"0103214","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103214|L01719|2001-05-01|M01543|1950-01-01|119194"}}],"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":"2005-12-16","lastDate":"2005-12-16","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":8,"firstDate":"2001-07-17","lastDate":"2003-03-20","metrics":{"ss":3,"delinquent":8,"recentRows":0,"paidPenalty":1167,"proposedPenalty":1167,"currentAssessment":1167},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"159354","VIOLATION_NO":"6091280","ISSUE_DT":"03/20/2003","CFR_STANDARD_CD":"46.5(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"161.00","CURRENT_ASSESSMENT_AMT":"161.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-03-20"},{"SOURCE_ROW_NUMBER":"159353","VIOLATION_NO":"6091279","ISSUE_DT":"03/19/2003","CFR_STANDARD_CD":"46.5(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"231.00","CURRENT_ASSESSMENT_AMT":"231.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-03-19"},{"SOURCE_ROW_NUMBER":"154906","VIOLATION_NO":"6090984","ISSUE_DT":"01/14/2003","CFR_STANDARD_CD":"56.14103(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-01-14"},{"SOURCE_ROW_NUMBER":"154905","VIOLATION_NO":"6090983","ISSUE_DT":"01/14/2003","CFR_STANDARD_CD":"56.9300(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":"2003-01-14"},{"SOURCE_ROW_NUMBER":"124987","VIOLATION_NO":"6090805","ISSUE_DT":"04/16/2002","CFR_STANDARD_CD":"56.18013","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-04-16"},{"SOURCE_ROW_NUMBER":"124986","VIOLATION_NO":"6090804","ISSUE_DT":"04/16/2002","CFR_STANDARD_CD":"56.14132(b)(1)(i)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-04-16"},{"SOURCE_ROW_NUMBER":"51811","VIOLATION_NO":"7764714","ISSUE_DT":"07/17/2001","CFR_STANDARD_CD":"56.14132(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-07-17"},{"SOURCE_ROW_NUMBER":"51810","VIOLATION_NO":"7764713","ISSUE_DT":"07/17/2001","CFR_STANDARD_CD":"56.14130(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"500.00","CURRENT_ASSESSMENT_AMT":"500.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-07-17"}]},{"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":"2001-05-01","lastDate":"2001-05-01","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":12,"firstDate":"2001-07-17","lastDate":"2005-09-01","metrics":{"inspectors":10,"recentRows":0,"onSiteHours":59.5,"inspectionHours":90.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"767557","EVENT_NO":"0825001","INSPECTION_BEGIN_DT":"09/01/2005","INSPECTION_END_DT":"09/01/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.5","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2005-09-01"},{"SOURCE_ROW_NUMBER":"48031","EVENT_NO":"0832738","INSPECTION_BEGIN_DT":"03/10/2005","INSPECTION_END_DT":"03/10/2005","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"0","SUM_TOTAL_INSP_HOURS":"0","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2005-03-10"},{"SOURCE_ROW_NUMBER":"1064456","EVENT_NO":"0832415","INSPECTION_BEGIN_DT":"08/10/2004","INSPECTION_END_DT":"08/10/2004","ACTIVITY_CODE":"37","ACTIVITY":"MISCELLANEOUS INSPECTION/INVESTIGATION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2004-08-10"},{"SOURCE_ROW_NUMBER":"480483","EVENT_NO":"0824217","INSPECTION_BEGIN_DT":"04/30/2003","INSPECTION_END_DT":"04/30/2003","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2003-04-30"},{"SOURCE_ROW_NUMBER":"254531","EVENT_NO":"0830711","INSPECTION_BEGIN_DT":"04/21/2003","INSPECTION_END_DT":"04/22/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"0","SUM_TOTAL_INSP_HOURS":"0","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2003-04-21"},{"SOURCE_ROW_NUMBER":"1107226","EVENT_NO":"0832701","INSPECTION_BEGIN_DT":"03/19/2003","INSPECTION_END_DT":"03/20/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2003-03-19"},{"SOURCE_ROW_NUMBER":"774754","EVENT_NO":"0824183","INSPECTION_BEGIN_DT":"02/05/2003","INSPECTION_END_DT":"02/05/2003","ACTIVITY_CODE":"02","ACTIVITY":"COMPLIANCE FOLLOW-UP INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2003-02-05"},{"SOURCE_ROW_NUMBER":"701116","EVENT_NO":"0824173","INSPECTION_BEGIN_DT":"01/14/2003","INSPECTION_END_DT":"01/15/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2003-01-14"},{"SOURCE_ROW_NUMBER":"499263","EVENT_NO":"0780985","INSPECTION_BEGIN_DT":"06/26/2002","INSPECTION_END_DT":"06/26/2002","ACTIVITY_CODE":"16","ACTIVITY":"PART 50 AUDIT","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2002-06-26"},{"SOURCE_ROW_NUMBER":"118347","EVENT_NO":"0785663","INSPECTION_BEGIN_DT":"04/16/2002","INSPECTION_END_DT":"04/17/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2002-04-16"},{"SOURCE_ROW_NUMBER":"610817","EVENT_NO":"0781150","INSPECTION_BEGIN_DT":"11/26/2001","INSPECTION_END_DT":"11/27/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"21","SUM_TOTAL_ON_SITE_HOURS":"17","sourceDate":"2001-11-26"},{"SOURCE_ROW_NUMBER":"657567","EVENT_NO":"0668096","INSPECTION_BEGIN_DT":"07/17/2001","INSPECTION_END_DT":"07/18/2001","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2001-07-17"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":36,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2005-Q4":{"hours":293,"employees":1,"production":0},"2005-Q3":{"hours":0,"employees":0,"production":0},"2005-Q2":{"hours":12,"employees":1,"production":0},"2005-Q1":{"hours":0,"employees":0,"production":0},"2004-Q4":{"hours":730,"employees":2,"production":0},"2004-Q3":{"hours":198,"employees":2,"production":0},"2004-Q2":{"hours":0,"employees":0,"production":0},"2004-Q1":{"hours":0,"employees":0,"production":0},"2003-Q4":{"hours":155,"employees":2,"production":0},"2003-Q3":{"hours":250,"employees":2,"production":0},"2003-Q2":{"hours":572,"employees":3,"production":0},"2003-Q1":{"hours":2099,"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":8,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2001":{"hours":5284,"employees":9,"production":0},"2002":{"hours":5552,"employees":5,"production":0},"2003":{"hours":3076,"employees":4,"production":0},"2004":{"hours":928,"employees":2,"production":0},"2005":{"hours":305,"employees":1,"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":2,"firstDate":"2001-11-27","lastDate":"2001-11-27","metrics":{"recentRows":0,"actionTaken":2,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"23285","EVENT_NO":"0781150","SAMPLE_NO":"000000200104352800","SAMPLE_DATE":"11/27/2001","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Backhoe Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2001-11-27"},{"SOURCE_ROW_NUMBER":"23284","EVENT_NO":"0781150","SAMPLE_NO":"000000200104352700","SAMPLE_DATE":"11/27/2001","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Road Grader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2001-11-27"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":8,"firstDate":"2001-07-17","lastDate":"2003-03-20","metrics":{"ss":3,"amountDue":1167,"contested":0,"amountPaid":1167,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":1167},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"83978","VIOLATION_NO":"6091280","VIOLATION_ISSUE_DT":"03/20/2003","SIG_SUB":"Y","PART_SECTION":"46.5(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"03/31/2003","PROPOSED_PENALTY":"161","AMOUNT_DUE":"161","AMOUNT_PAID":"161","CONTESTED_IND":"N","sourceDate":"2003-03-20"},{"SOURCE_ROW_NUMBER":"83977","VIOLATION_NO":"6091279","VIOLATION_ISSUE_DT":"03/19/2003","SIG_SUB":"Y","PART_SECTION":"46.5(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"03/31/2003","PROPOSED_PENALTY":"231","AMOUNT_DUE":"231","AMOUNT_PAID":"231","CONTESTED_IND":"N","sourceDate":"2003-03-19"},{"SOURCE_ROW_NUMBER":"83976","VIOLATION_NO":"6090984","VIOLATION_ISSUE_DT":"01/14/2003","SIG_SUB":"N","PART_SECTION":"56.14103(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/30/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2003-01-14"},{"SOURCE_ROW_NUMBER":"83975","VIOLATION_NO":"6090983","VIOLATION_ISSUE_DT":"01/14/2003","SIG_SUB":"N","PART_SECTION":"56.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/05/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2003-01-14"},{"SOURCE_ROW_NUMBER":"83980","VIOLATION_NO":"6090805","VIOLATION_ISSUE_DT":"04/16/2002","SIG_SUB":"N","PART_SECTION":"56.18013","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/18/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-04-16"},{"SOURCE_ROW_NUMBER":"83979","VIOLATION_NO":"6090804","VIOLATION_ISSUE_DT":"04/16/2002","SIG_SUB":"N","PART_SECTION":"56.14132(b)(1)(i)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/17/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-04-16"},{"SOURCE_ROW_NUMBER":"83982","VIOLATION_NO":"7764714","VIOLATION_ISSUE_DT":"07/17/2001","SIG_SUB":"N","PART_SECTION":"56.14132(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/18/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-07-17"},{"SOURCE_ROW_NUMBER":"83981","VIOLATION_NO":"7764713","VIOLATION_ISSUE_DT":"07/17/2001","SIG_SUB":"Y","PART_SECTION":"56.14130(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"07/18/2001","PROPOSED_PENALTY":"500","AMOUNT_DUE":"500","AMOUNT_PAID":"500","CONTESTED_IND":"N","sourceDate":"2001-07-17"}]}],"safety":{"href":"/api/v1/mines/0103214/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0103214/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":"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":2},{"chapter":"I","heading":"Operators stations.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14103","part":"56","subchapter":"K","subpart":"M","id":"56.14103","citation":"30 CFR 56.14103","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":"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":"Emergency communications system.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18013","part":"56","subchapter":"K","subpart":"Q","id":"56.18013","citation":"30 CFR 56.18013","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":"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":"Roll-over protective structures (ROPS) and seat belts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14130","part":"56","subchapter":"K","subpart":"M","id":"56.14130","citation":"30 CFR 56.14130","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":"0103214","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}