{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"0103375","name":"Johnson Mine","status":"Abandoned","status_date":"2026-05-21","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"AL","county":"Jefferson","nearest_town":"Abernant","operator_id":"0054599","operator_name":"Cahaba Resources LLC","controller_id":"0045287","controller_name":"Randall E  Crawford","district":"M3","office":"Birmingham AL Field Office (A)","employees":0,"latitude":33.3425,"longitude":-87.171667},"coverage":{"contributingSources":16,"registeredSources":20,"sourceRows":870},"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":"0103375","name":"Johnson Mine"},"operator":{"type":"operator","id":"0054599","name":"Cahaba Resources LLC"},"controller":{"type":"controller","id":"0045287","name":"Randall E  Crawford"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0045287","name":"Randall E  Crawford et al"},"object":{"type":"mine","id":"0103375","name":"Johnson Mine"},"validFrom":"2004-10-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103375|0045287|2004-10-12|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0054599","name":"Cahaba Resources LLC"},"object":{"type":"mine","id":"0103375","name":"Johnson Mine"},"validFrom":"2008-01-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103375|0054599|2008-01-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0045287","name":"Randall E  Crawford et al"},"object":{"type":"operator","id":"0054599","name":"Cahaba Resources LLC"},"validFrom":"2008-01-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"0103375","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103375|0054599|2008-01-16|0045287|2004-10-12|5253"}}],"coverage":{"historyRecords":1,"edgeCount":3,"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":2,"firstDate":"2008-08-12","lastDate":"2015-09-26","metrics":{"daysLost":2,"injuries":2,"fatalities":1,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"176546","DOCUMENT_NO":"220152730014","ACCIDENT_DT":"09/26/2015","DEGREE_INJURY":"FATALITY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall from machine","OCCUPATION":"Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer","NO_INJURIES":"1","NARRATIVE":"Employee was checking transmission fluid on dozer, and was found unconscious on ground, possibly related to medical emergency. *The miner never regained consciousness and succumbed to his injuries on October 5, 2015.","sourceDate":"2015-09-26"},{"SOURCE_ROW_NUMBER":"103147","DOCUMENT_NO":"220082280020","ACCIDENT_DT":"08/12/2008","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck by powered moving object","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"2","NARRATIVE":"Employee got off service truck, walked behind moving truck while looking the other direction.  Truck hit him mid-back per employee, resulted in muscle strain to back.","sourceDate":"2008-08-12"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2026-05-21","lastDate":"2026-05-21","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":36,"firstDate":"2008-03-14","lastDate":"2014-09-12","metrics":{"ss":13,"delinquent":36,"recentRows":0,"paidPenalty":7706,"proposedPenalty":10385,"currentAssessment":7706},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1583277","VIOLATION_NO":"8524198","ISSUE_DT":"09/12/2014","CFR_STANDARD_CD":"77.400(c)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2014-09-12"},{"SOURCE_ROW_NUMBER":"1580406","VIOLATION_NO":"8524741","ISSUE_DT":"10/05/2012","CFR_STANDARD_CD":"77.1110","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-05"},{"SOURCE_ROW_NUMBER":"1578601","VIOLATION_NO":"8523466","ISSUE_DT":"05/07/2012","CFR_STANDARD_CD":"77.1110","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"1578600","VIOLATION_NO":"8523465","ISSUE_DT":"05/07/2012","CFR_STANDARD_CD":"77.1110","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"1578599","VIOLATION_NO":"8523464","ISSUE_DT":"05/07/2012","CFR_STANDARD_CD":"77.409(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"176.00","CURRENT_ASSESSMENT_AMT":"176.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"1578598","VIOLATION_NO":"8523463","ISSUE_DT":"05/07/2012","CFR_STANDARD_CD":"77.410(a)(1)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"263.00","CURRENT_ASSESSMENT_AMT":"263.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"1578597","VIOLATION_NO":"8523462","ISSUE_DT":"05/07/2012","CFR_STANDARD_CD":"77.404(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"263.00","CURRENT_ASSESSMENT_AMT":"263.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"1578596","VIOLATION_NO":"8523461","ISSUE_DT":"05/07/2012","CFR_STANDARD_CD":"77.1606(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"1578595","VIOLATION_NO":"8523460","ISSUE_DT":"05/07/2012","CFR_STANDARD_CD":"77.1605(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"1578594","VIOLATION_NO":"8523459","ISSUE_DT":"05/07/2012","CFR_STANDARD_CD":"71.403(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"1578540","VIOLATION_NO":"8521660","ISSUE_DT":"10/12/2011","CFR_STANDARD_CD":"77.410(a)(1)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"4689.00","CURRENT_ASSESSMENT_AMT":"2010.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-10-12"},{"SOURCE_ROW_NUMBER":"1578539","VIOLATION_NO":"8521651","ISSUE_DT":"10/04/2011","CFR_STANDARD_CD":"77.1104","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"190.00","CURRENT_ASSESSMENT_AMT":"190.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-10-04"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":1,"firstDate":"2017-08-10","lastDate":"2017-08-10","metrics":{"appeals":0,"decisions":1,"recentRows":0,"decisionPenalty":2010,"originalPenalty":4689},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"80934","VIOLATION_NO":"8521660","DOCKET_NO":"SE 2012-128","DECISION_DT":"08/10/2017","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"4689.00","DECISION_PENALTY_AMT":"2010.00","JUDGE_FIRST_NAME":"Kenneth","JUDGE_LAST_NAME":"Andrews","sourceDate":"2017-08-10"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":150,"firstDate":"2008-03-21","lastDate":"2016-09-14","metrics":{"recentRows":0,"cpdmSamples":0,"voidSamples":1,"validSamples":149,"maxConcentration":0.966,"concentrationTotal":16.729},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1574080","CASS_NUM":"51453823","SMP_TAKEN_DT":"9/14/2016","CONC":".966","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-09-14"},{"SOURCE_ROW_NUMBER":"114693","CASS_NUM":"51450761","SMP_TAKEN_DT":"9/13/2016","CONC":".386","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-09-13"},{"SOURCE_ROW_NUMBER":"903016","CASS_NUM":"51437790","SMP_TAKEN_DT":"6/10/2016","CONC":".17","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-06-10"},{"SOURCE_ROW_NUMBER":"552418","CASS_NUM":"51454275","SMP_TAKEN_DT":"6/10/2016","CONC":".24","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-06-10"},{"SOURCE_ROW_NUMBER":"1618297","CASS_NUM":"51437722","SMP_TAKEN_DT":"3/30/2016","CONC":".17","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-03-30"},{"SOURCE_ROW_NUMBER":"1020927","CASS_NUM":"51437567","SMP_TAKEN_DT":"3/30/2016","CONC":".25","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"HIGHWALL DRILL OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-03-30"},{"SOURCE_ROW_NUMBER":"954157","CASS_NUM":"51413918","SMP_TAKEN_DT":"3/30/2016","CONC":".105","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT YET USED IN DETERMINATION","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-03-30"},{"SOURCE_ROW_NUMBER":"1622366","CASS_NUM":"58196461","SMP_TAKEN_DT":"3/28/2016","CONC":".2","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-03-28"},{"SOURCE_ROW_NUMBER":"1603825","CASS_NUM":"58196448","SMP_TAKEN_DT":"3/28/2016","CONC":".06","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-03-28"},{"SOURCE_ROW_NUMBER":"1518850","CASS_NUM":"58196454","SMP_TAKEN_DT":"3/28/2016","CONC":".078","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-03-28"},{"SOURCE_ROW_NUMBER":"1171633","CASS_NUM":"58196514","SMP_TAKEN_DT":"3/28/2016","CONC":".082","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"BACKHOE OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-03-28"},{"SOURCE_ROW_NUMBER":"643482","CASS_NUM":"58196515","SMP_TAKEN_DT":"3/28/2016","CONC":".031","SMP_TYPE_CD_DESC":"NONDESIGNATED WORK POSITION","SMP_USE_CD_DESC":"NOT USED ON INSPECTOR SAMPLES; NOT FOUND ON OPERATOR SAMPLE","VOID_CD_DESC":"SAMPLE NOT VOIDED","OCC_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2016-03-28"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":1,"firstDate":"2011-10-12","lastDate":"2011-10-12","metrics":{"decisions":1,"ssChanged":0,"recentRows":0,"decisionPenalty":2010,"proposedPenalty":4689},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"253897","CITATION_NO":"8521660","CITATION_ISSUE_DT":"10/12/2011","DOCKET_NO":"SE 2012-128","DECISION_DT":"08/10/2017","CFR_STANDARD_CODE":"77.410(a)(1)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"4689.00","DECISION_PENALTY_AMT":"2010.00","sourceDate":"2011-10-12"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":399,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"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":76,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"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":"2008-01-16","lastDate":"2008-01-16","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":32,"firstDate":"2008-03-14","lastDate":"2019-12-16","metrics":{"inspectors":44,"recentRows":0,"onSiteHours":362.5,"inspectionHours":766,"inspectionSamples":160},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"638845","EVENT_NO":"4457251","INSPECTION_BEGIN_DT":"12/16/2019","INSPECTION_END_DT":"12/16/2019","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2019-12-16"},{"SOURCE_ROW_NUMBER":"853349","EVENT_NO":"6493005","INSPECTION_BEGIN_DT":"09/20/2016","INSPECTION_END_DT":"09/26/2016","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2016-09-20"},{"SOURCE_ROW_NUMBER":"1083527","EVENT_NO":"6492464","INSPECTION_BEGIN_DT":"10/16/2015","INSPECTION_END_DT":"03/28/2016","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"51","SUM_TOTAL_ON_SITE_HOURS":"30.75","sourceDate":"2015-10-16"},{"SOURCE_ROW_NUMBER":"43034","EVENT_NO":"6492461","INSPECTION_BEGIN_DT":"09/26/2015","INSPECTION_END_DT":"04/04/2016","ACTIVITY_CODE":"E06","ACTIVITY":"Fatal Accident Investigation","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"239.25","SUM_TOTAL_ON_SITE_HOURS":"25.75","sourceDate":"2015-09-26"},{"SOURCE_ROW_NUMBER":"1130207","EVENT_NO":"4496890","INSPECTION_BEGIN_DT":"04/16/2015","INSPECTION_END_DT":"06/02/2015","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"27.75","SUM_TOTAL_ON_SITE_HOURS":"19","sourceDate":"2015-04-16"},{"SOURCE_ROW_NUMBER":"468798","EVENT_NO":"6492301","INSPECTION_BEGIN_DT":"12/18/2014","INSPECTION_END_DT":"03/26/2015","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"33.25","SUM_TOTAL_ON_SITE_HOURS":"18.25","sourceDate":"2014-12-18"},{"SOURCE_ROW_NUMBER":"748985","EVENT_NO":"4497914","INSPECTION_BEGIN_DT":"09/09/2014","INSPECTION_END_DT":"09/25/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"42.25","SUM_TOTAL_ON_SITE_HOURS":"23.5","sourceDate":"2014-09-09"},{"SOURCE_ROW_NUMBER":"710247","EVENT_NO":"4497744","INSPECTION_BEGIN_DT":"04/21/2014","INSPECTION_END_DT":"04/23/2014","ACTIVITY_CODE":"E03","ACTIVITY":"103 (g) Written Notification Hazard Complaint Inspectio","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"8.5","sourceDate":"2014-04-21"},{"SOURCE_ROW_NUMBER":"129262","EVENT_NO":"4496387","INSPECTION_BEGIN_DT":"08/14/2013","INSPECTION_END_DT":"09/20/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2013-08-14"},{"SOURCE_ROW_NUMBER":"1004099","EVENT_NO":"4496325","INSPECTION_BEGIN_DT":"10/05/2012","INSPECTION_END_DT":"11/27/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"24","SUM_TOTAL_ON_SITE_HOURS":"17","sourceDate":"2012-10-05"},{"SOURCE_ROW_NUMBER":"426454","EVENT_NO":"4493098","INSPECTION_BEGIN_DT":"08/20/2012","INSPECTION_END_DT":"08/20/2012","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2012-08-20"},{"SOURCE_ROW_NUMBER":"682439","EVENT_NO":"4495591","INSPECTION_BEGIN_DT":"05/07/2012","INSPECTION_END_DT":"05/22/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"26","SUM_TOTAL_ON_SITE_HOURS":"17","sourceDate":"2012-05-07"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":71,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017-Q1":{"hours":0,"employees":0,"production":0},"2016-Q4":{"hours":0,"employees":0,"production":0},"2016-Q2":{"hours":160,"employees":4,"production":0},"2016-Q1":{"hours":20562,"employees":20,"production":5870},"2015-Q4":{"hours":13770,"employees":20,"production":29700},"2015-Q3":{"hours":10819,"employees":18,"production":34451},"2015-Q2":{"hours":10300,"employees":20,"production":29630},"2015-Q1":{"hours":9150,"employees":15,"production":23980},"2014-Q4":{"hours":5800,"employees":8,"production":22930},"2014-Q3":{"hours":3110,"employees":12,"production":7052},"2014-Q2":{"hours":800,"employees":2,"production":0},"2014-Q1":{"hours":760,"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":10,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2008":{"hours":29813,"employees":13,"production":55398},"2009":{"hours":52749,"employees":24,"production":97067},"2010":{"hours":50269,"employees":22,"production":94209},"2011":{"hours":43152,"employees":17,"production":91237},"2012":{"hours":35740,"employees":14,"production":58022},"2013":{"hours":1900,"employees":2,"production":580},"2014":{"hours":10470,"employees":6,"production":29982},"2015":{"hours":44039,"employees":18,"production":117761},"2016":{"hours":20722,"employees":12,"production":5870}},"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-noise-samples","name":"Noise Samples","domains":["health","safety","equipment"],"products":["hearing exposure","machine and manufacturer patterns","occupation coverage"],"rowCount":43,"firstDate":"2008-03-21","lastDate":"2016-03-28","metrics":{"recentRows":0,"doseOver100":1,"actDoseTotal":1028,"pelDoseTotal":369},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"10932","EVENT_NO":"6492464","SURVEY_DATE":"03/28/2016","OCCUPATION_CD_DESC":"LABORER/BLACKSMITH","MACHINE_CD":"10","MANUFACTURER_CD":"119","ACT_DOSE_85":"4","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2016-03-28"},{"SOURCE_ROW_NUMBER":"10931","EVENT_NO":"6492464","SURVEY_DATE":"03/28/2016","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","MANUFACTURER_CD":"063","ACT_DOSE_85":"50","PEL_DOSE_90":"10","SURVEY_TYPE":"I","sourceDate":"2016-03-28"},{"SOURCE_ROW_NUMBER":"10930","EVENT_NO":"6492464","SURVEY_DATE":"03/28/2016","OCCUPATION_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","MACHINE_CD":"39","MANUFACTURER_CD":"063","ACT_DOSE_85":"27","PEL_DOSE_90":"11","SURVEY_TYPE":"I","sourceDate":"2016-03-28"},{"SOURCE_ROW_NUMBER":"10929","EVENT_NO":"6492464","SURVEY_DATE":"03/28/2016","OCCUPATION_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","MACHINE_CD":"39","MANUFACTURER_CD":"063","ACT_DOSE_85":"9","PEL_DOSE_90":"2","SURVEY_TYPE":"I","sourceDate":"2016-03-28"},{"SOURCE_ROW_NUMBER":"10928","EVENT_NO":"6492464","SURVEY_DATE":"03/28/2016","OCCUPATION_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","MACHINE_CD":"39","MANUFACTURER_CD":"063","ACT_DOSE_85":"8","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2016-03-28"},{"SOURCE_ROW_NUMBER":"10927","EVENT_NO":"6492464","SURVEY_DATE":"03/28/2016","OCCUPATION_CD_DESC":"BACKHOE OPERATOR","MACHINE_CD":"40","MANUFACTURER_CD":"018","ACT_DOSE_85":"9","PEL_DOSE_90":"3","SURVEY_TYPE":"I","sourceDate":"2016-03-28"},{"SOURCE_ROW_NUMBER":"10926","EVENT_NO":"4497914","SURVEY_DATE":"09/09/2014","OCCUPATION_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","MACHINE_CD":"03","MANUFACTURER_CD":"063","ACT_DOSE_85":"16","PEL_DOSE_90":"9","SURVEY_TYPE":"I","sourceDate":"2014-09-09"},{"SOURCE_ROW_NUMBER":"10925","EVENT_NO":"4497914","SURVEY_DATE":"09/09/2014","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","MANUFACTURER_CD":"063","ACT_DOSE_85":"11","PEL_DOSE_90":"3","SURVEY_TYPE":"I","sourceDate":"2014-09-09"},{"SOURCE_ROW_NUMBER":"10924","EVENT_NO":"4497914","SURVEY_DATE":"09/09/2014","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"39","MANUFACTURER_CD":"063","ACT_DOSE_85":"12","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2014-09-09"},{"SOURCE_ROW_NUMBER":"10923","EVENT_NO":"4497914","SURVEY_DATE":"09/09/2014","OCCUPATION_CD_DESC":"ROTARY BUCKET EXCAVATOR OPERATOR","MACHINE_CD":"31","MANUFACTURER_CD":"063","ACT_DOSE_85":"16","PEL_DOSE_90":"11","SURVEY_TYPE":"I","sourceDate":"2014-09-09"},{"SOURCE_ROW_NUMBER":"10922","EVENT_NO":"4497914","SURVEY_DATE":"09/09/2014","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"39","MANUFACTURER_CD":"063","ACT_DOSE_85":"28","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2014-09-09"},{"SOURCE_ROW_NUMBER":"10921","EVENT_NO":"4497914","SURVEY_DATE":"09/09/2014","OCCUPATION_CD_DESC":"MECHANIC","MACHINE_CD":"40","MANUFACTURER_CD":"060","ACT_DOSE_85":"28","PEL_DOSE_90":"4","SURVEY_TYPE":"I","sourceDate":"2014-09-09"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":9,"firstDate":"2008-05-29","lastDate":"2016-03-28","metrics":{"recentRows":0,"voidSamples":0,"maxQuartzPct":24.8,"validSamples":9,"quartzPctTotal":180.4},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"131371","CASSETTE_NO":"58196461","SAMPLE_DT":"03/28/2016","QUARTZ_PCT":"14.2","QUARTZ_MICROGRAMS":"28","OCC_CODE_DESC":"BULLDOZER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2016-03-28"},{"SOURCE_ROW_NUMBER":"8121","CASSETTE_NO":"58225697","SAMPLE_DT":"04/27/2015","QUARTZ_PCT":"20.6","QUARTZ_MICROGRAMS":"23","OCC_CODE_DESC":"HIGHWALL DRILL OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2015-04-27"},{"SOURCE_ROW_NUMBER":"83373","CASSETTE_NO":"58226339","SAMPLE_DT":"02/11/2015","QUARTZ_PCT":"16.8","QUARTZ_MICROGRAMS":"22","OCC_CODE_DESC":"HIGHWALL DRILL OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2015-02-11"},{"SOURCE_ROW_NUMBER":"145785","CASSETTE_NO":"57943629","SAMPLE_DT":"11/14/2011","QUARTZ_PCT":"16.6","OCC_CODE_DESC":"BACKHOE OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2011-11-14"},{"SOURCE_ROW_NUMBER":"134255","CASSETTE_NO":"57854643","SAMPLE_DT":"12/21/2009","QUARTZ_PCT":"19.0","OCC_CODE_DESC":"BULLDOZER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2009-12-21"},{"SOURCE_ROW_NUMBER":"7891","CASSETTE_NO":"57854586","SAMPLE_DT":"12/21/2009","QUARTZ_PCT":"23.1","OCC_CODE_DESC":"HIGHWALL DRILL OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2009-12-21"},{"SOURCE_ROW_NUMBER":"99507","CASSETTE_NO":"50971202","SAMPLE_DT":"11/20/2008","QUARTZ_PCT":"23.5","OCC_CODE_DESC":"HIGHWALL DRILL OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-11-20"},{"SOURCE_ROW_NUMBER":"135824","CASSETTE_NO":"57772170","SAMPLE_DT":"10/28/2008","QUARTZ_PCT":"24.8","OCC_CODE_DESC":"HIGHWALL DRILL OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-10-28"},{"SOURCE_ROW_NUMBER":"148618","CASSETTE_NO":"57718317","SAMPLE_DT":"05/29/2008","QUARTZ_PCT":"21.8","OCC_CODE_DESC":"BULLDOZER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-05-29"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":37,"firstDate":"2008-03-14","lastDate":"2015-09-26","metrics":{"ss":13,"amountDue":7706,"contested":0,"amountPaid":7706,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":10385},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"91091","VIOLATION_NO":"8529466","VIOLATION_ISSUE_DT":"09/26/2015","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"03/14/2016","CONTESTED_IND":"N","sourceDate":"2015-09-26"},{"SOURCE_ROW_NUMBER":"91090","VIOLATION_NO":"8524198","VIOLATION_ISSUE_DT":"09/12/2014","SIG_SUB":"Y","PART_SECTION":"77.400(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/12/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2014-09-12"},{"SOURCE_ROW_NUMBER":"91097","VIOLATION_NO":"8524741","VIOLATION_ISSUE_DT":"10/05/2012","SIG_SUB":"N","PART_SECTION":"77.1110","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/05/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-05"},{"SOURCE_ROW_NUMBER":"91088","VIOLATION_NO":"8523466","VIOLATION_ISSUE_DT":"05/07/2012","SIG_SUB":"N","PART_SECTION":"77.1110","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/07/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"91087","VIOLATION_NO":"8523465","VIOLATION_ISSUE_DT":"05/07/2012","SIG_SUB":"N","PART_SECTION":"77.1110","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/07/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"91086","VIOLATION_NO":"8523464","VIOLATION_ISSUE_DT":"05/07/2012","SIG_SUB":"Y","PART_SECTION":"77.409(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/11/2012","PROPOSED_PENALTY":"176","AMOUNT_DUE":"176","AMOUNT_PAID":"176","CONTESTED_IND":"N","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"91085","VIOLATION_NO":"8523463","VIOLATION_ISSUE_DT":"05/07/2012","SIG_SUB":"Y","PART_SECTION":"77.410(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/22/2012","PROPOSED_PENALTY":"263","AMOUNT_DUE":"263","AMOUNT_PAID":"263","CONTESTED_IND":"N","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"91084","VIOLATION_NO":"8523462","VIOLATION_ISSUE_DT":"05/07/2012","SIG_SUB":"Y","PART_SECTION":"77.404(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/11/2012","PROPOSED_PENALTY":"263","AMOUNT_DUE":"263","AMOUNT_PAID":"263","CONTESTED_IND":"N","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"91083","VIOLATION_NO":"8523461","VIOLATION_ISSUE_DT":"05/07/2012","SIG_SUB":"N","PART_SECTION":"77.1606(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/11/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"91082","VIOLATION_NO":"8523460","VIOLATION_ISSUE_DT":"05/07/2012","SIG_SUB":"N","PART_SECTION":"77.1605(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/07/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"91081","VIOLATION_NO":"8523459","VIOLATION_ISSUE_DT":"05/07/2012","SIG_SUB":"N","PART_SECTION":"71.403(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/11/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-05-07"},{"SOURCE_ROW_NUMBER":"91096","VIOLATION_NO":"8521660","VIOLATION_ISSUE_DT":"10/12/2011","SIG_SUB":"Y","PART_SECTION":"77.410(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/12/2011","PROPOSED_PENALTY":"4689","AMOUNT_DUE":"2010","AMOUNT_PAID":"2010","CONTESTED_IND":"N","sourceDate":"2011-10-12"}]}],"safety":{"href":"/api/v1/mines/0103375/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0103375/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","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.400","heading":"Mechanical equipment guards.","id":"77.400","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Safeguards for Mechanical Equipment","text":"(a) Gears; sprockets; chains; drive, head, tail, and takeup pulleys; flywheels; couplings; shafts; sawblades; fan inlets; and similar exposed moving machine parts which may be contacted by persons, and which may cause injury to persons shall be guarded.\n\n(b) Overhead belts shall be guarded if the whipping action from a broken line would be hazardous to persons below.\n\n(c) Guards at conveyor-drive, conveyor-head, and conveyor-tail pulleys shall extend a distance sufficient to prevent a person from reaching behind the guard and becoming caught between the belt and the pulley.\n\n(d) Except when testing the machinery, guards shall be securely in place while machinery is being operated.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1110","heading":"Examination and maintenance of firefighting equipment.","id":"77.1110","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-L/section-77.1110","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"L","subpartHeading":"Subpart L—Fire Protection","text":"Firefighting equipment shall be continuously maintained in a usable and operative condition. Fire extinguishers shall be examined at least once every 6 months and the date of such examination shall be recorded on a permanent tag attached to the extinguisher.\n\n(Pub. L. No. 96-511, 94 Stat. 2812 (44 U.S.C. 3501 et seq.))\n\n[36 FR 9364, May 22, 1971, as amended at 60 FR 33723, June 29, 1995]","occurrenceCount":3},{"chapter":"I","heading":"Shovels, draglines, and tractors.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.409","part":"77","subchapter":"O","subpart":"E","id":"77.409","citation":"30 CFR 77.409","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.410","heading":"Mobile equipment; automatic warning devices.","id":"77.410","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Safeguards for Mechanical Equipment","text":"(a) Mobile equipment such as front-end loaders, forklifts, tractors, graders, and trucks, except pickup trucks with an unobstructed rear view, shall be equipped with a warning device that—\n\n(1) Gives an audible alarm when the equipment is put in reverse; or\n\n(2) Uses infrared light, ultrasonic waves, radar, or other effective devices to detect objects or persons at the rear of the equipment, and sounds an audible alarm when a person or object is detected. This type of discriminating warning device shall—\n\n(i) Have a sensing area of a sufficient size that would allow endangered persons adequate time to get out of the danger zone.\n\n(ii) Give audible and visual alarms inside the operator's compartment and an audible alarm outside of the operator's compartment when a person or object is detected in the sensing area; and\n\n(iii) When the equipment is put in reverse, activate and give a one-time audible and visual alarm inside the operator's compartment and a one-time audible alarm outside the operator's compartment.\n\n(b) Alarms shall be audible above the surrounding noise levels.\n\n(c) Warning devices shall be maintained in functional condition.\n\n(d) An automatic reverse-activated strobe light may be substituted for an audible alarm when mobile equipment is operated at night.\n\n[54 FR 30517, July 20, 1989]","occurrenceCount":2},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.404","heading":"Machinery and equipment; operation and maintenance.","id":"77.404","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.404","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"E","subpartHeading":"Subpart E—Safeguards for Mechanical Equipment","text":"(a) Mobile and stationary machinery and equipment shall be maintained in safe operating condition and machinery or equipment in unsafe condition shall be removed from service immediately.\n\n(b) Machinery and equipment shall be operated only by persons trained in the use of and authorized to operate such machinery or equipment.\n\n(c) Repairs or maintenance shall not be performed on machinery until the power is off and the machinery is blocked against motion, except where machinery motion is necessary to make adjustments.\n\n(d) Machinery shall not be lubricated while in motion where a hazard exists, unless equipped with extended fittings or cups.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1606","heading":"Loading and haulage equipment; inspection and maintenance.","id":"77.1606","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"Q","subpartHeading":"Subpart Q—Loading and Haulage","text":"(a) Mobile loading and haulage equipment shall be inspected by a competent person before such equipment is placed in operation. Equipment defects affecting safety shall be recorded and reported to the mine operator.\n\n(b) Carriers on aerial tramways, including loading and unloading mechanisms, shall be inspected each shift; brakes shall be inspected daily; ropes and supports shall be inspected as recommended by the manufacturer or as physical conditions warrant. Equipment defects affecting safety shall be reported to the mine operator.\n\n(c) Equipment defects affecting safety shall be corrected before the equipment is used.","occurrenceCount":1},{"chapter":"I","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 77.1605","heading":"Loading and haulage equipment; installations.","id":"77.1605","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605","part":"77","partHeading":"PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subchapter":"O","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","subpart":"Q","subpartHeading":"Subpart Q—Loading and Haulage","text":"(a) Cab windows shall be of safety glass or equivalent, in good condition and shall be kept clean.\n\n(b) Mobile equipment shall be equipped with adequate brakes, and all trucks and front-end loaders shall also be equipped with parking brakes.\n\n(c) Positive-action type brakes shall be provided on aerial tramways.\n\n(d) Mobile equipment shall be provided with audible warning devices. Lights shall be provided on both ends when required.\n\n(e) Guard nets or other suitable protection shall be provided where tramways pass over roadways, walkways, or buildings.\n\n(f) Guards shall be installed to prevent swaying buckets from hitting towers.\n\n(g) Aerial tramway cable connections shall be designed to offer minimum obstruction to the passage of wheels.\n\n(h) Rocker-bottom or bottom-dump cars shall be equipped with positive locking devices, or other suitable devices.\n\n(i) Ramps and dumps shall be of solid construction, of ample width, have ample clearance and headroom, and be kept reasonably free of spillage.\n\n(j) Chute-loading installations shall be designed so that the men pulling chutes are not required to be in a hazardous position during loading operations.\n\n(k) Berms or guards shall be provided on the outer bank of elevated roadways.\n\n(l) Berms, bumper blocks, safety hooks, or similar means shall be provided to prevent overtravel and overturning at dumping locations.\n\n(m) Roadbeds, rails, joints, switches, frogs, and other elements on railroads shall be designed, installed, and maintained in a safe manner consistent with the speed and type of haulage.\n\n(n) Where practicable, a minimum of 30 inches continuous clearance from the farthest projection of moving railroad equipment shall be provided on at least one side of the tracks; all places where it is not possible to provide 30-inch clearance shall be marked conspicuously.\n\n(o) Track guardrails, lead rails, and frogs shall be protected or blocked so as to prevent a person's foot from becoming wedged.\n\n(p) Positive-acting stop-blocks, derail devices, track skates, or other adequate means shall be installed wherever necessary to protect persons from runaway or moving railroad equipment.\n\n(q) Switch throws shall be installed so as to provide adequate clearance for switchmen.\n\n(r) Where necessary, bumper blocks or the equivalent shall be provided at all track dead ends.","occurrenceCount":1},{"chapter":"I","heading":"Waiver of surface facilities requirements; posting of waiver.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-71/subpart-E/section-71.403","part":"71","subchapter":"O","subpart":"E","id":"71.403","citation":"30 CFR 71.403","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER O—COAL MINE SAFETY AND HEALTH","partHeading":"PART 71—MANDATORY HEALTH STANDARDS—SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"0103375","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}