{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3304395","name":"Plano Road","status":"Active","status_date":"2013-02-05","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"OH","county":"Ross","nearest_town":"Washington Court House","operator_id":"L17040","operator_name":"Melvin Stone Company LLC","controller_id":"0142503","controller_name":"James P  Jurgensen II; Jacqueline J  Alf; Jason R  Jurgensen","district":"M2","office":"Hebron OH Field Office","employees":5,"latitude":39.450556,"longitude":-83.234167},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":1108},"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":"3304395","name":"Plano Road"},"operator":{"type":"operator","id":"L17040","name":"Melvin Stone Company LLC"},"controller":{"type":"controller","id":"0142503","name":"James P  Jurgensen II; Jacqueline J  Alf; Jason R  Jurgensen"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05741","name":"Craig  Beam  et al"},"object":{"type":"mine","id":"3304395","name":"Plano Road"},"validFrom":"1950-01-01","validTo":"1999-08-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304395|M05741|1950-01-01|1999-08-05"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07210","name":"Melvin Stone Company"},"object":{"type":"mine","id":"3304395","name":"Plano Road"},"validFrom":"1997-04-01","validTo":"1999-08-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304395|L07210|1997-04-01|1999-08-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05741","name":"Craig  Beam  et al"},"object":{"type":"operator","id":"L07210","name":"Melvin Stone Company"},"validFrom":"1997-04-01","validTo":"1999-08-05","current":false,"derived":true,"evidenceMineId":"3304395","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304395|L07210|1997-04-01|M05741|1950-01-01|135287"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17040","name":"Melvin Stone Company LLC"},"object":{"type":"mine","id":"3304395","name":"Plano Road"},"validFrom":"1999-08-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304395|L17040|1999-08-06|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08714","name":"James P  Jurgensen"},"object":{"type":"mine","id":"3304395","name":"Plano Road"},"validFrom":"1999-08-06","validTo":"2018-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304395|M08714|1999-08-06|2018-04-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08714","name":"James P  Jurgensen"},"object":{"type":"operator","id":"L17040","name":"Melvin Stone Company LLC"},"validFrom":"1999-08-06","validTo":"2018-04-30","current":false,"derived":true,"evidenceMineId":"3304395","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304395|L17040|1999-08-06|M08714|1999-08-06|143944"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0142503","name":"Jason R  Jurgensen et al"},"object":{"type":"mine","id":"3304395","name":"Plano Road"},"validFrom":"2018-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304395|0142503|2018-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0142503","name":"Jason R  Jurgensen et al"},"object":{"type":"operator","id":"L17040","name":"Melvin Stone Company LLC"},"validFrom":"2018-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304395","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304395|L17040|1999-08-06|0142503|2018-05-01|28824"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0142503","name":"Jacqueline J  Alf et al"},"object":{"type":"operator","id":"L17040","name":"Melvin Stone Company LLC"},"validFrom":"2018-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304395","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304395|L17040|1999-08-06|0142503|2018-05-01|28825"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0142503","name":"James P  Jurgensen II et al"},"object":{"type":"operator","id":"L17040","name":"Melvin Stone Company LLC"},"validFrom":"2018-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3304395","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3304395|L17040|1999-08-06|0142503|2018-05-01|28826"}}],"coverage":{"historyRecords":5,"edgeCount":10,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":5,"firstDate":"2002-06-28","lastDate":"2017-12-14","metrics":{"daysLost":103,"injuries":5,"fatalities":0,"recentRows":0,"restrictedDays":71,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"53998","DOCUMENT_NO":"220173560001","ACCIDENT_DT":"12/14/2017","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman","NO_INJURIES":"1","DAYS_LOST":"90","NARRATIVE":"Three miners were cleaning up. One was operating a wheel loader and the other two were throwing scrap steel into the bucket to be taken to a dumpster. The loader operator thought one of the other miners signaled operator to lower the bucket. Operator then lowered the bucket onto one of the miners foot.","sourceDate":"2017-12-14"},{"SOURCE_ROW_NUMBER":"109727","DOCUMENT_NO":"220100640010","ACCIDENT_DT":"02/19/2010","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Miner was exiting plant control tower coming down steps, and slipped on wet step.  Miner reported incident on day of occurence, but refused medical attention at time of incident.  Miner later (3-3-2010) decided to seek medical attention as left shoulder was irritating him, and upon visit to physician, was issued prescription pain meds.","sourceDate":"2010-02-19"},{"SOURCE_ROW_NUMBER":"269096","DOCUMENT_NO":"220071650027","ACCIDENT_DT":"06/11/2007","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Pumper","NO_INJURIES":"1","DAYS_LOST":"3","NARRATIVE":"Miner was lifting a fuel transfer tank and twisted the wrong way causing immediate pain to his lower back.","sourceDate":"2007-06-11"},{"SOURCE_ROW_NUMBER":"23981","DOCUMENT_NO":"220063110014","ACCIDENT_DT":"10/20/2006","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Assayer, Geologist, Metallurgist, Engineer, Engineer management","NO_INJURIES":"1","DAYS_LOST":"10","NARRATIVE":"Employee was closing lid on VSI crusher got his finger pinched when lid closed.","sourceDate":"2006-10-20"},{"SOURCE_ROW_NUMBER":"19630","DOCUMENT_NO":"220021890044","ACCIDENT_DT":"06/28/2002","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"OTHER","ACCIDENT_TYPE":"Struck by flying object","OCCUPATION":"Mine manager, Mine foreman, Mine owner","NO_INJURIES":"1","NARRATIVE":"EMPLOYEE'S EYE FELT IRRITATION IN RIGHT EYE. FLUSHED WITH WATER HIMSELF. STILL FELT LIKE SOMETHING IN EYE. WENT TO ER AT FAYETTE CO MEMORIAL HOSP. DR FOUND SMALL PIECE OF DIRT IN EYE. REMOV ED AND FLUSHED OUT EYE.","sourceDate":"2002-06-28"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2013-02-05","lastDate":"2013-02-05","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":100,"firstDate":"2000-04-05","lastDate":"2025-11-18","metrics":{"ss":21,"delinquent":92,"recentRows":22,"paidPenalty":11802.45,"proposedPenalty":11971,"currentAssessment":11971},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3018244","VIOLATION_NO":"5074538","ISSUE_DT":"11/18/2025","CFR_STANDARD_CD":"46.11(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"168.00","CURRENT_ASSESSMENT_AMT":"168.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-11-18"},{"SOURCE_ROW_NUMBER":"3018243","VIOLATION_NO":"5074537","ISSUE_DT":"11/17/2025","CFR_STANDARD_CD":"56.18002(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-11-17"},{"SOURCE_ROW_NUMBER":"3018242","VIOLATION_NO":"5074536","ISSUE_DT":"11/17/2025","CFR_STANDARD_CD":"56.14108","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-11-17"},{"SOURCE_ROW_NUMBER":"2982637","VIOLATION_NO":"9809463","ISSUE_DT":"04/08/2025","CFR_STANDARD_CD":"56.14100(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-04-08"},{"SOURCE_ROW_NUMBER":"2982636","VIOLATION_NO":"9809462","ISSUE_DT":"04/08/2025","CFR_STANDARD_CD":"46.7","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"168.00","CURRENT_ASSESSMENT_AMT":"168.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2025-04-08"},{"SOURCE_ROW_NUMBER":"2898338","VIOLATION_NO":"9804830","ISSUE_DT":"08/28/2024","CFR_STANDARD_CD":"46.12(a)(2)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"239.00","CURRENT_ASSESSMENT_AMT":"239.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-08-28"},{"SOURCE_ROW_NUMBER":"2898339","VIOLATION_NO":"9804831","ISSUE_DT":"08/26/2024","CFR_STANDARD_CD":"46.5(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"164.00","CURRENT_ASSESSMENT_AMT":"164.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-08-26"},{"SOURCE_ROW_NUMBER":"2898337","VIOLATION_NO":"9804829","ISSUE_DT":"08/26/2024","CFR_STANDARD_CD":"56.14112(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"161.00","CURRENT_ASSESSMENT_AMT":"161.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-08-26"},{"SOURCE_ROW_NUMBER":"2898336","VIOLATION_NO":"9804828","ISSUE_DT":"08/26/2024","CFR_STANDARD_CD":"56.14131(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-08-26"},{"SOURCE_ROW_NUMBER":"2898335","VIOLATION_NO":"9804827","ISSUE_DT":"08/26/2024","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":"2024-08-26"},{"SOURCE_ROW_NUMBER":"2681433","VIOLATION_NO":"9666657","ISSUE_DT":"04/25/2022","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":"2022-04-25"},{"SOURCE_ROW_NUMBER":"2681432","VIOLATION_NO":"9666656","ISSUE_DT":"04/25/2022","CFR_STANDARD_CD":"56.12008","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-04-25"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":419,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":7,"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":115,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":7,"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":5,"firstDate":"1997-04-01","lastDate":"1999-08-06","metrics":{"recentRows":0,"currentOperatorTenures":4,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":71,"firstDate":"2000-02-01","lastDate":"2026-05-11","metrics":{"inspectors":73,"recentRows":13,"onSiteHours":607.25,"inspectionHours":1007.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"814984","EVENT_NO":"F04167D","INSPECTION_BEGIN_DT":"05/11/2026","INSPECTION_END_DT":"05/14/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"34","SUM_TOTAL_ON_SITE_HOURS":"22.5","sourceDate":"2026-05-11"},{"SOURCE_ROW_NUMBER":"840692","EVENT_NO":"F02CD47","INSPECTION_BEGIN_DT":"11/17/2025","INSPECTION_END_DT":"11/18/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"23.5","SUM_TOTAL_ON_SITE_HOURS":"14","sourceDate":"2025-11-17"},{"SOURCE_ROW_NUMBER":"485067","EVENT_NO":"F0179AC","INSPECTION_BEGIN_DT":"04/08/2025","INSPECTION_END_DT":"04/10/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22.5","SUM_TOTAL_ON_SITE_HOURS":"17","sourceDate":"2025-04-08"},{"SOURCE_ROW_NUMBER":"222198","EVENT_NO":"7121075","INSPECTION_BEGIN_DT":"11/14/2024","INSPECTION_END_DT":"11/14/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"6.25","sourceDate":"2024-11-14"},{"SOURCE_ROW_NUMBER":"171971","EVENT_NO":"7121048","INSPECTION_BEGIN_DT":"08/26/2024","INSPECTION_END_DT":"08/28/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22.5","SUM_TOTAL_ON_SITE_HOURS":"10.25","sourceDate":"2024-08-26"},{"SOURCE_ROW_NUMBER":"452587","EVENT_NO":"7027484","INSPECTION_BEGIN_DT":"02/15/2024","INSPECTION_END_DT":"02/15/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2024-02-15"},{"SOURCE_ROW_NUMBER":"877442","EVENT_NO":"6926835","INSPECTION_BEGIN_DT":"07/26/2023","INSPECTION_END_DT":"07/27/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.75","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2023-07-26"},{"SOURCE_ROW_NUMBER":"100532","EVENT_NO":"6896083","INSPECTION_BEGIN_DT":"12/05/2022","INSPECTION_END_DT":"12/06/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.75","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2022-12-05"},{"SOURCE_ROW_NUMBER":"680257","EVENT_NO":"6897258","INSPECTION_BEGIN_DT":"04/25/2022","INSPECTION_END_DT":"04/26/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"23.5","SUM_TOTAL_ON_SITE_HOURS":"17","sourceDate":"2022-04-25"},{"SOURCE_ROW_NUMBER":"201586","EVENT_NO":"6897236","INSPECTION_BEGIN_DT":"01/04/2022","INSPECTION_END_DT":"01/06/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"25","SUM_TOTAL_ON_SITE_HOURS":"18.25","sourceDate":"2022-01-04"},{"SOURCE_ROW_NUMBER":"875548","EVENT_NO":"6897411","INSPECTION_BEGIN_DT":"09/07/2021","INSPECTION_END_DT":"09/17/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"21.25","SUM_TOTAL_ON_SITE_HOURS":"10.5","sourceDate":"2021-09-07"},{"SOURCE_ROW_NUMBER":"645953","EVENT_NO":"6820390","INSPECTION_BEGIN_DT":"06/08/2021","INSPECTION_END_DT":"06/08/2021","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2021-06-08"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":212,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":2740,"employees":4,"production":0},"2026-Q1":{"hours":2798,"employees":5,"production":0},"2025-Q4":{"hours":2531,"employees":5,"production":0},"2025-Q3":{"hours":1977,"employees":3,"production":0},"2025-Q2":{"hours":2572,"employees":4,"production":0},"2025-Q1":{"hours":1884,"employees":3,"production":0},"2024-Q4":{"hours":1524,"employees":3,"production":0},"2024-Q3":{"hours":1773,"employees":3,"production":0},"2024-Q2":{"hours":1715,"employees":3,"production":0},"2024-Q1":{"hours":2021,"employees":5,"production":0},"2023-Q4":{"hours":2371,"employees":11,"production":0},"2023-Q3":{"hours":2732,"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":54,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":11450,"employees":6,"production":0},"2018":{"hours":10595,"employees":7,"production":0},"2019":{"hours":11817,"employees":9,"production":0},"2020":{"hours":10263,"employees":7,"production":0},"2021":{"hours":7762,"employees":8,"production":0},"2022":{"hours":10720,"employees":8,"production":0},"2023":{"hours":8657,"employees":7,"production":0},"2024":{"hours":7033,"employees":4,"production":0},"2025":{"hours":8964,"employees":4,"production":0},"2026":{"hours":5538,"employees":5,"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":25,"firstDate":"2003-04-08","lastDate":"2026-05-13","metrics":{"recentRows":11,"actionTaken":25,"maxExposureRatio":1.09,"overExposureLimit":1,"exposureRatioTotal":2.68},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"311968","EVENT_NO":"F04167D","SAMPLE_NO":"000000202602006600","SAMPLE_DATE":"05/13/2026","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2026-05-13"},{"SOURCE_ROW_NUMBER":"311967","EVENT_NO":"F04167D","SAMPLE_NO":"000000202602006500","SAMPLE_DATE":"05/13/2026","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2026-05-13"},{"SOURCE_ROW_NUMBER":"311791","EVENT_NO":"F04167D","SAMPLE_NO":"000000202602006400","SAMPLE_DATE":"05/13/2026","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2026-05-13"},{"SOURCE_ROW_NUMBER":"288260","EVENT_NO":"F0179AC","SAMPLE_NO":"000000202501470600","SAMPLE_DATE":"04/09/2025","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0001.39","EXPOSURE_LIMIT":"0001.28","C_OVER_E":"01.09","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"EXCEEDS THE PEL BUT NOT THE PEL X ERROR FACTOR","sourceDate":"2025-04-09"},{"SOURCE_ROW_NUMBER":"288259","EVENT_NO":"F0179AC","SAMPLE_NO":"000000202501470500","SAMPLE_DATE":"04/09/2025","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2025-04-09"},{"SOURCE_ROW_NUMBER":"263748","EVENT_NO":"6897258","SAMPLE_NO":"000000202201690900","SAMPLE_DATE":"04/26/2022","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.35","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-04-26"},{"SOURCE_ROW_NUMBER":"263747","EVENT_NO":"6897258","SAMPLE_NO":"000000202201690800","SAMPLE_DATE":"04/26/2022","CONTAMINANT_DESC":"Nuisance dust, respirable, <1% Qtz","CONCENTRATION":"0000.82","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"00.08","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-04-26"},{"SOURCE_ROW_NUMBER":"263746","EVENT_NO":"6897258","SAMPLE_NO":"000000202201690700","SAMPLE_DATE":"04/26/2022","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-04-26"},{"SOURCE_ROW_NUMBER":"250386","EVENT_NO":"6897236","SAMPLE_NO":"000000202200039000","SAMPLE_DATE":"01/05/2022","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0004.13","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Truck Driver","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-01-05"},{"SOURCE_ROW_NUMBER":"250385","EVENT_NO":"6897236","SAMPLE_NO":"000000202200038900","SAMPLE_DATE":"01/05/2022","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.15","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Backhoe Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-01-05"},{"SOURCE_ROW_NUMBER":"250384","EVENT_NO":"6897236","SAMPLE_NO":"000000202200038800","SAMPLE_DATE":"01/05/2022","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.26","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Bulldozer Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-01-05"},{"SOURCE_ROW_NUMBER":"175967","EVENT_NO":"6687836","SAMPLE_NO":"000000201700050300","SAMPLE_DATE":"01/05/2017","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.29","EXPOSURE_LIMIT":"0001.72","C_OVER_E":"00.17","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2017-01-05"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":100,"firstDate":"2000-04-05","lastDate":"2025-11-18","metrics":{"ss":21,"amountDue":11971,"contested":0,"amountPaid":11802.45,"recentRows":22,"section104d":0,"unterminated":0,"proposedPenalty":11971},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1761003","VIOLATION_NO":"5074538","VIOLATION_ISSUE_DT":"11/18/2025","SIG_SUB":"N","PART_SECTION":"46.11(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/18/2025","PROPOSED_PENALTY":"168","AMOUNT_DUE":"168","AMOUNT_PAID":"168","CONTESTED_IND":"N","sourceDate":"2025-11-18"},{"SOURCE_ROW_NUMBER":"1761002","VIOLATION_NO":"5074537","VIOLATION_ISSUE_DT":"11/17/2025","SIG_SUB":"N","PART_SECTION":"56.18002(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/18/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-11-17"},{"SOURCE_ROW_NUMBER":"1761001","VIOLATION_NO":"5074536","VIOLATION_ISSUE_DT":"11/17/2025","SIG_SUB":"N","PART_SECTION":"56.14108","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/18/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-11-17"},{"SOURCE_ROW_NUMBER":"1760952","VIOLATION_NO":"9809463","VIOLATION_ISSUE_DT":"04/08/2025","SIG_SUB":"N","PART_SECTION":"56.14100(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/08/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-04-08"},{"SOURCE_ROW_NUMBER":"1760951","VIOLATION_NO":"9809462","VIOLATION_ISSUE_DT":"04/08/2025","SIG_SUB":"N","PART_SECTION":"46.7","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/08/2025","PROPOSED_PENALTY":"168","AMOUNT_DUE":"168","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2025-04-08"},{"SOURCE_ROW_NUMBER":"1760988","VIOLATION_NO":"9804830","VIOLATION_ISSUE_DT":"08/28/2024","SIG_SUB":"Y","PART_SECTION":"46.12(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/28/2024","PROPOSED_PENALTY":"239","AMOUNT_DUE":"239","AMOUNT_PAID":"239","CONTESTED_IND":"N","sourceDate":"2024-08-28"},{"SOURCE_ROW_NUMBER":"1760989","VIOLATION_NO":"9804831","VIOLATION_ISSUE_DT":"08/26/2024","SIG_SUB":"Y","PART_SECTION":"46.5(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"09/09/2024","PROPOSED_PENALTY":"164","AMOUNT_DUE":"164","AMOUNT_PAID":"164","CONTESTED_IND":"N","sourceDate":"2024-08-26"},{"SOURCE_ROW_NUMBER":"1760987","VIOLATION_NO":"9804829","VIOLATION_ISSUE_DT":"08/26/2024","SIG_SUB":"Y","PART_SECTION":"56.14112(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/27/2024","PROPOSED_PENALTY":"161","AMOUNT_DUE":"161","AMOUNT_PAID":"161","CONTESTED_IND":"N","sourceDate":"2024-08-26"},{"SOURCE_ROW_NUMBER":"1760986","VIOLATION_NO":"9804828","VIOLATION_ISSUE_DT":"08/26/2024","SIG_SUB":"Y","PART_SECTION":"56.14131(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/26/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-08-26"},{"SOURCE_ROW_NUMBER":"1760985","VIOLATION_NO":"9804827","VIOLATION_ISSUE_DT":"08/26/2024","SIG_SUB":"N","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/26/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-08-26"},{"SOURCE_ROW_NUMBER":"1760967","VIOLATION_NO":"9666657","VIOLATION_ISSUE_DT":"04/25/2022","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/25/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-04-25"},{"SOURCE_ROW_NUMBER":"1760966","VIOLATION_NO":"9666656","VIOLATION_ISSUE_DT":"04/25/2022","SIG_SUB":"N","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/25/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-04-25"}]}],"safety":{"href":"/api/v1/mines/3304395/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3304395/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":"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":"Overhead drive belts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14108","part":"56","subchapter":"K","subpart":"M","id":"56.14108","citation":"30 CFR 56.14108","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 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":1},{"chapter":"I","heading":"New task training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.7","part":"46","subchapter":"H","subpart":"","id":"46.7","citation":"30 CFR 46.7","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":"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":"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":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},{"chapter":"I","heading":"Seat belts for haulage trucks.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14131","part":"56","subchapter":"K","subpart":"M","id":"56.14131","citation":"30 CFR 56.14131","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":"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":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3304395","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}