{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3200218","name":"Center Mine","status":"Active","status_date":"1970-01-22","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Lignite)","state":"ND","county":"Oliver","nearest_town":"Center","operator_id":"P20244","operator_name":"BNI Coal, Ltd","controller_id":"C13807","controller_name":"Allete Inc","district":"M6","office":"Rapid City SD Field Office","employees":182,"latitude":47.064722,"longitude":-101.212778},"coverage":{"contributingSources":16,"registeredSources":20,"sourceRows":3539},"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":"3200218","name":"Center Mine"},"operator":{"type":"operator","id":"P20244","name":"BNI Coal, Ltd"},"controller":{"type":"controller","id":"C13807","name":"Allete Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00198","name":"Baukol-Noonan Inc"},"object":{"type":"mine","id":"3200218","name":"Center Mine"},"validFrom":"1950-01-01","validTo":"1988-11-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3200218|P00198|1950-01-01|1988-11-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00147","name":"R W  Rovelstad et al"},"object":{"type":"mine","id":"3200218","name":"Center Mine"},"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":"3200218|C00147|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00147","name":"R W  Rovelstad et al"},"object":{"type":"operator","id":"P00198","name":"Baukol-Noonan Inc"},"validFrom":"1950-01-01","validTo":"1988-11-16","current":false,"derived":true,"evidenceMineId":"3200218","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3200218|P00198|1950-01-01|C00147|1950-01-01|44491"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00147","name":"L A  Rutherford et al"},"object":{"type":"operator","id":"P00198","name":"Baukol-Noonan Inc"},"validFrom":"1950-01-01","validTo":"1988-11-16","current":false,"derived":true,"evidenceMineId":"3200218","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3200218|P00198|1950-01-01|C00147|1950-01-01|44492"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20244","name":"BNI Coal, Ltd"},"object":{"type":"mine","id":"3200218","name":"Center Mine"},"validFrom":"1988-11-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3200218|P20244|1988-11-17|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13807","name":"Allete Inc"},"object":{"type":"mine","id":"3200218","name":"Center Mine"},"validFrom":"1988-11-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3200218|C13807|1988-11-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13807","name":"Allete Inc"},"object":{"type":"operator","id":"P20244","name":"BNI Coal, Ltd"},"validFrom":"1988-11-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"3200218","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3200218|P20244|1988-11-17|C13807|1988-11-17|91217"}}],"coverage":{"historyRecords":3,"edgeCount":7,"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":95,"firstDate":"2000-04-29","lastDate":"2025-08-14","metrics":{"daysLost":1425,"injuries":92,"fatalities":0,"recentRows":15,"restrictedDays":1272,"contractorRecords":13},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"62474","DOCUMENT_NO":"220252300020","ACCIDENT_DT":"08/14/2025","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Utility man, Shift tech, Service/Dump truck operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee 1 was operating a pickup truck that was being backed up to hook up to a pump so it could be relocated.  Affected employee was guiding the truck to align the pintle hitch of the pump.  As the trucks bumper and the pintle hitch made contact, employee pinched a finger as they were trying to align the pin that didn't fully seat itself.","sourceDate":"2025-08-14"},{"SOURCE_ROW_NUMBER":"101104","DOCUMENT_NO":"220250830022","ACCIDENT_DT":"03/04/2025","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was replacing a lip shroud on an Esco dragline bucket. While removing the wedge that locks the lip shroud to the bucket, the lip shroud fell (10 inches) onto the EE's feet.  The bucket was located in the welding shop.  EE was wearing steel toed boots.","sourceDate":"2025-03-04"},{"SOURCE_ROW_NUMBER":"15266","DOCUMENT_NO":"220243440017","ACCIDENT_DT":"11/26/2024","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Utility man, Shift tech, Service/Dump truck operator","NO_INJURIES":"1","DAYS_LOST":"40","NARRATIVE":"Employee and Co-worker were down Slope 3 attempting to set a suction hose into a sump.  The hole in the ice was not very large and both miners had to hold the pipe above their shoulders to get the end into the sump.  EE was behind Co-worker when they were handling the poly pipe and stated after they had the pipe set that EE slipped a bit and felt something in EE's back.","sourceDate":"2024-11-26"},{"SOURCE_ROW_NUMBER":"243297","DOCUMENT_NO":"220242750011","ACCIDENT_DT":"09/25/2024","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Utility man, Shift tech, Service/Dump truck operator","NO_INJURIES":"1","DAYS_LOST":"1","NARRATIVE":"Employee tried lifting a 4\" poly pipe that was plugged with mud to try and clear the pipe.  When the employee dropped the pipe, they felt something was wrong with their lower back.","sourceDate":"2024-09-25"},{"SOURCE_ROW_NUMBER":"15265","DOCUMENT_NO":"220241230010","ACCIDENT_DT":"04/26/2024","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Scraper-loader operator","NO_INJURIES":"1","DAYS_LOST":"1","NARRATIVE":"EE was cleaning a scraper tire fender. EE thinks that is when the left knee was injured. EE had a limp at the end of shift.","sourceDate":"2024-04-26"},{"SOURCE_ROW_NUMBER":"126794","DOCUMENT_NO":"220232910012","ACCIDENT_DT":"10/17/2023","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Utility man, Shift tech, Service/Dump truck operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"IE was using a wrench to remove an oil filter off of a 24M during regular PM. EE was wearing rubber gloves when their finger got pinched between the wrench and a piece of metal. Injury required stitches","sourceDate":"2023-10-17"},{"SOURCE_ROW_NUMBER":"62473","DOCUMENT_NO":"220231790027","ACCIDENT_DT":"06/26/2023","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Crane operator, Mobile equipment operator (MEO), Dragline operator, Dropball operator, Rigger","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was trying to free a stuck dump rope, was using prybar and slipped and hit EE in the mouth.","sourceDate":"2023-06-26"},{"SOURCE_ROW_NUMBER":"41019","DOCUMENT_NO":"220231870018","ACCIDENT_DT":"06/26/2023","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck against a moving object","OCCUPATION":"Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer","NO_INJURIES":"1","DAYS_LOST":"4","NARRATIVE":"EE was moving dirt with a D10 dozer when the dozer blade struck a rock and abruptly stopped the machine. The EE reported soreness to the neck and shoulder area and sought medical attention off site.","sourceDate":"2023-06-26"},{"SOURCE_ROW_NUMBER":"45316","DOCUMENT_NO":"220230590008","ACCIDENT_DT":"02/21/2023","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Utility man, Shift tech, Service/Dump truck operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"At approximately 5:30 AM. Miner parked in the employee parking lot before work shift started. They plugged in their personal vehicle also lifting their windshield wipers to prevent freezing. They stepped on an uneven surface, approximately � inch or less in height of the paved parking lot, rolled their left ankle resulted in a sprain.","sourceDate":"2023-02-21"},{"SOURCE_ROW_NUMBER":"191475","DOCUMENT_NO":"220230330045","ACCIDENT_DT":"01/28/2023","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Welder (shop)","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was installing an I-beam to tie the revolving frame to the tub base and was using a hammer to tap the I-beam into place. EE struck middle finger of left hand with the hammer and fractured the tip of finger.","sourceDate":"2023-01-28"},{"SOURCE_ROW_NUMBER":"15264","DOCUMENT_NO":"220213620010","ACCIDENT_DT":"12/20/2021","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"A mechanic was removing a park brake from a 993K loader. The park brake weighs approx. 300lbs. and shifted as EE was positioning for removal. The EE pinched their RT middle finger tip, resulting in sutures to close the wound.","sourceDate":"2021-12-20"},{"SOURCE_ROW_NUMBER":"131141","DOCUMENT_NO":"220213130001","ACCIDENT_DT":"10/24/2021","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Welder (non-shop)","NO_INJURIES":"1","DAYS_LOST":"2","NARRATIVE":"Lift of structural beam being made. Miner was inside safe zone upon commencement. Load began to pivot as it came up. Miner placed self in pinch point in an attempt to stop collision between load and separate piece. Load impacted miner and piece at same time.","sourceDate":"2021-10-24"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"1970-01-22","lastDate":"1970-01-22","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":179,"firstDate":"2001-06-14","lastDate":"2026-08-11","metrics":{"ss":31,"delinquent":153,"recentRows":33,"paidPenalty":72316,"proposedPenalty":108472,"currentAssessment":73315},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2759455","VIOLATION_NO":"5055158","ISSUE_DT":"08/11/2026","CFR_STANDARD_CD":"50.20-7(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Printed","sourceDate":"2026-08-11"},{"SOURCE_ROW_NUMBER":"3022102","VIOLATION_NO":"5058055","ISSUE_DT":"07/09/2026","CFR_STANDARD_CD":"77.502-2","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2026-07-09"},{"SOURCE_ROW_NUMBER":"3022101","VIOLATION_NO":"5057469","ISSUE_DT":"07/08/2026","CFR_STANDARD_CD":"77.1606(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"697.00","CURRENT_ASSESSMENT_AMT":"697.00","ASSESS_CASE_STATUS_CD":"Received","sourceDate":"2026-07-08"},{"SOURCE_ROW_NUMBER":"2935703","VIOLATION_NO":"9728262","ISSUE_DT":"03/09/2026","CFR_STANDARD_CD":"47.31(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":"2026-03-09"},{"SOURCE_ROW_NUMBER":"2935698","VIOLATION_NO":"6582271","ISSUE_DT":"03/05/2026","CFR_STANDARD_CD":"77.502-2","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-03-05"},{"SOURCE_ROW_NUMBER":"2935697","VIOLATION_NO":"6582270","ISSUE_DT":"03/05/2026","CFR_STANDARD_CD":"48.27(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":"2026-03-05"},{"SOURCE_ROW_NUMBER":"2935702","VIOLATION_NO":"9728261","ISSUE_DT":"03/04/2026","CFR_STANDARD_CD":"77.204","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-03-04"},{"SOURCE_ROW_NUMBER":"2935701","VIOLATION_NO":"9728260","ISSUE_DT":"03/03/2026","CFR_STANDARD_CD":"77.1605(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-03-03"},{"SOURCE_ROW_NUMBER":"2935700","VIOLATION_NO":"9728259","ISSUE_DT":"03/03/2026","CFR_STANDARD_CD":"77.204","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"209.00","CURRENT_ASSESSMENT_AMT":"209.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-03-03"},{"SOURCE_ROW_NUMBER":"2935699","VIOLATION_NO":"9728258","ISSUE_DT":"03/03/2026","CFR_STANDARD_CD":"77.204","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"209.00","CURRENT_ASSESSMENT_AMT":"209.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-03-03"},{"SOURCE_ROW_NUMBER":"2935696","VIOLATION_NO":"6582269","ISSUE_DT":"03/03/2026","CFR_STANDARD_CD":"48.27(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"297.00","CURRENT_ASSESSMENT_AMT":"297.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-03-03"},{"SOURCE_ROW_NUMBER":"2036016","VIOLATION_NO":"9732400","ISSUE_DT":"04/28/2025","CFR_STANDARD_CD":"77.904","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-04-28"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":5,"firstDate":"2007-07-25","lastDate":"2015-02-26","metrics":{"appeals":0,"decisions":5,"recentRows":0,"decisionPenalty":17620,"originalPenalty":56091},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"356999","VIOLATION_NO":"8476805","DOCKET_NO":"CENT 2014-0340","DECISION_DT":"02/26/2015","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"52500.00","DECISION_PENALTY_AMT":"17500.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2015-02-26"},{"SOURCE_ROW_NUMBER":"25022","VIOLATION_NO":"7610192","DOCKET_NO":"CENT 2008-613","DECISION_DT":"11/20/2009","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"1657.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Gary","JUDGE_LAST_NAME":"Melick","sourceDate":"2009-11-20"},{"SOURCE_ROW_NUMBER":"25021","VIOLATION_NO":"7610191","DOCKET_NO":"CENT 2008-613","DECISION_DT":"11/20/2009","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"1657.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Gary","JUDGE_LAST_NAME":"Melick","sourceDate":"2009-11-20"},{"SOURCE_ROW_NUMBER":"9872","VIOLATION_NO":"7610122","DOCKET_NO":"CENT 2007-101","DECISION_DT":"07/25/2007","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"217.00","DECISION_PENALTY_AMT":"60.00","JUDGE_FIRST_NAME":"T","JUDGE_LAST_NAME":"Hodgdon","sourceDate":"2007-07-25"},{"SOURCE_ROW_NUMBER":"9558","VIOLATION_NO":"7610123","DOCKET_NO":"CENT 2007-101","DECISION_DT":"07/25/2007","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"60.00","DECISION_PENALTY_AMT":"60.00","JUDGE_FIRST_NAME":"T","JUDGE_LAST_NAME":"Hodgdon","sourceDate":"2007-07-25"}]},{"id":"msha-coal-dust-samples","name":"Coal Dust Samples","domains":["health","safety"],"products":["respirable dust trends","CPDM coverage","void patterns","occupation exposure"],"rowCount":464,"firstDate":"2000-03-28","lastDate":"2026-09-03","metrics":{"recentRows":138,"cpdmSamples":0,"voidSamples":11,"validSamples":453,"maxConcentration":21.749,"concentrationTotal":64.658},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1650193","CASS_NUM":"51648366","SMP_TAKEN_DT":"9/3/2026","CONC":".029","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":"2026-09-03"},{"SOURCE_ROW_NUMBER":"1010421","CASS_NUM":"51648368","SMP_TAKEN_DT":"9/1/2026","CONC":".058","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":"2026-09-01"},{"SOURCE_ROW_NUMBER":"990296","CASS_NUM":"51648426","SMP_TAKEN_DT":"8/18/2026","CONC":".034","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":"2026-08-18"},{"SOURCE_ROW_NUMBER":"399373","CASS_NUM":"51648546","SMP_TAKEN_DT":"8/18/2026","CONC":".035","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":"2026-08-18"},{"SOURCE_ROW_NUMBER":"1638056","CASS_NUM":"58417599","SMP_TAKEN_DT":"7/9/2026","CONC":".016","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":"2026-07-09"},{"SOURCE_ROW_NUMBER":"426371","CASS_NUM":"58417608","SMP_TAKEN_DT":"7/9/2026","CONC":".014","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":"2026-07-09"},{"SOURCE_ROW_NUMBER":"550923","CASS_NUM":"51648353","SMP_TAKEN_DT":"6/22/2026","CONC":".066","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"EXCESS SAMPLE","OCC_CD_DESC":"HIGHWALL DRILL OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-06-22"},{"SOURCE_ROW_NUMBER":"1465045","CASS_NUM":"51648728","SMP_TAKEN_DT":"4/7/2026","CONC":".027","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":"2026-04-07"},{"SOURCE_ROW_NUMBER":"1378963","CASS_NUM":"51648735","SMP_TAKEN_DT":"4/7/2026","CONC":".001","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":"2026-04-07"},{"SOURCE_ROW_NUMBER":"1271134","CASS_NUM":"51648378","SMP_TAKEN_DT":"4/7/2026","CONC":".011","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":"2026-04-07"},{"SOURCE_ROW_NUMBER":"466886","CASS_NUM":"51648418","SMP_TAKEN_DT":"3/26/2026","CONC":"0","SMP_TYPE_CD_DESC":"DESIGNATED WORK POSITION","SMP_USE_CD_DESC":"VOID SAMPLE","VOID_CD_DESC":"DISCARDED SAMPLE (TOO OLD)","OCC_CD_DESC":"BULLDOZER OPERATOR","DEVICE_TYPE_CD":"CMDPSU","sourceDate":"2026-03-26"},{"SOURCE_ROW_NUMBER":"1590632","CASS_NUM":"51648422","SMP_TAKEN_DT":"3/24/2026","CONC":".007","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":"2026-03-24"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":5,"firstDate":"2006-09-27","lastDate":"2013-11-19","metrics":{"decisions":5,"ssChanged":3,"recentRows":0,"decisionPenalty":17620,"proposedPenalty":56091},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"430624","CITATION_NO":"8476805","CITATION_ISSUE_DT":"11/19/2013","DOCKET_NO":"CENT 2014-0340","DECISION_DT":"02/26/2015","CFR_STANDARD_CODE":"77.404(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"52500.00","DECISION_PENALTY_AMT":"17500.00","sourceDate":"2013-11-19"},{"SOURCE_ROW_NUMBER":"283889","CITATION_NO":"7610192","CITATION_ISSUE_DT":"03/19/2008","DOCKET_NO":"CENT 2008-613","DECISION_DT":"11/20/2009","CFR_STANDARD_CODE":"77.408","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1657.00","DECISION_PENALTY_AMT":".00","sourceDate":"2008-03-19"},{"SOURCE_ROW_NUMBER":"114360","CITATION_NO":"7610191","CITATION_ISSUE_DT":"03/19/2008","DOCKET_NO":"CENT 2008-613","DECISION_DT":"11/20/2009","CFR_STANDARD_CODE":"71.100","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1657.00","DECISION_PENALTY_AMT":".00","sourceDate":"2008-03-19"},{"SOURCE_ROW_NUMBER":"400285","CITATION_NO":"7610122","CITATION_ISSUE_DT":"09/27/2006","DOCKET_NO":"CENT 2007-101","DECISION_DT":"07/25/2007","CFR_STANDARD_CODE":"77.400(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"217.00","DECISION_PENALTY_AMT":"60.00","sourceDate":"2006-09-27"},{"SOURCE_ROW_NUMBER":"285923","CITATION_NO":"7610123","CITATION_ISSUE_DT":"09/27/2006","DOCKET_NO":"CENT 2007-101","DECISION_DT":"07/25/2007","CFR_STANDARD_CODE":"77.400(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"60.00","DECISION_PENALTY_AMT":"60.00","sourceDate":"2006-09-27"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":1691,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":10,"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":355,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":10,"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":3,"firstDate":"1950-01-01","lastDate":"1988-11-17","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":100,"firstDate":"2000-01-10","lastDate":"2026-08-11","metrics":{"inspectors":176,"recentRows":21,"onSiteHours":2933.5,"inspectionHours":5826.25,"inspectionSamples":275},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"435502","EVENT_NO":"6941588","INSPECTION_BEGIN_DT":"08/11/2026","INSPECTION_END_DT":"08/11/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":".75","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2026-08-11"},{"SOURCE_ROW_NUMBER":"812071","EVENT_NO":"F02FE9E","INSPECTION_BEGIN_DT":"07/06/2026","INSPECTION_END_DT":"07/21/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"161","SUM_TOTAL_ON_SITE_HOURS":"80.5","sourceDate":"2026-07-06"},{"SOURCE_ROW_NUMBER":"401762","EVENT_NO":"F00BBC6","INSPECTION_BEGIN_DT":"03/02/2026","INSPECTION_END_DT":"03/09/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"117","SUM_TOTAL_ON_SITE_HOURS":"67.25","sourceDate":"2026-03-02"},{"SOURCE_ROW_NUMBER":"811862","EVENT_NO":"F01797D","INSPECTION_BEGIN_DT":"11/17/2025","INSPECTION_END_DT":"11/18/2025","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15.25","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2025-11-17"},{"SOURCE_ROW_NUMBER":"1066050","EVENT_NO":"6941560","INSPECTION_BEGIN_DT":"05/29/2025","INSPECTION_END_DT":"05/29/2025","ACTIVITY_CODE":"E03","ACTIVITY":"103 (g) Written Notification Hazard Complaint Inspectio","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11.5","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2025-05-29"},{"SOURCE_ROW_NUMBER":"647719","EVENT_NO":"6472754","INSPECTION_BEGIN_DT":"04/21/2025","INSPECTION_END_DT":"05/07/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"88","SUM_TOTAL_ON_SITE_HOURS":"52.25","sourceDate":"2025-04-21"},{"SOURCE_ROW_NUMBER":"743157","EVENT_NO":"F0102F8","INSPECTION_BEGIN_DT":"01/21/2025","INSPECTION_END_DT":"02/10/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"109.5","SUM_TOTAL_ON_SITE_HOURS":"55.5","sourceDate":"2025-01-21"},{"SOURCE_ROW_NUMBER":"697958","EVENT_NO":"6472846","INSPECTION_BEGIN_DT":"12/10/2024","INSPECTION_END_DT":"12/16/2024","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19.5","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2024-12-10"},{"SOURCE_ROW_NUMBER":"109711","EVENT_NO":"6472836","INSPECTION_BEGIN_DT":"07/25/2024","INSPECTION_END_DT":"08/27/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"149.25","SUM_TOTAL_ON_SITE_HOURS":"74","sourceDate":"2024-07-25"},{"SOURCE_ROW_NUMBER":"126620","EVENT_NO":"6472534","INSPECTION_BEGIN_DT":"02/03/2024","INSPECTION_END_DT":"03/06/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"7","SUM_TOTAL_INSP_HOURS":"130.75","SUM_TOTAL_ON_SITE_HOURS":"72","sourceDate":"2024-02-03"},{"SOURCE_ROW_NUMBER":"1027484","EVENT_NO":"6469185","INSPECTION_BEGIN_DT":"07/14/2023","INSPECTION_END_DT":"07/31/2023","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12.5","SUM_TOTAL_ON_SITE_HOURS":"8.5","sourceDate":"2023-07-14"},{"SOURCE_ROW_NUMBER":"980029","EVENT_NO":"6469121","INSPECTION_BEGIN_DT":"05/17/2023","INSPECTION_END_DT":"05/17/2023","ACTIVITY_CODE":"E17","ACTIVITY":"Special Emphasis Programs","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.75","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2023-05-17"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":212,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":81357,"employees":175,"production":1071925},"2026-Q1":{"hours":83060,"employees":172,"production":1007983},"2025-Q4":{"hours":77872,"employees":173,"production":357299},"2025-Q3":{"hours":83017,"employees":173,"production":717025},"2025-Q2":{"hours":81667,"employees":175,"production":881266},"2025-Q1":{"hours":83655,"employees":174,"production":1003823},"2024-Q4":{"hours":78925,"employees":173,"production":956519},"2024-Q3":{"hours":82462,"employees":177,"production":1053567},"2024-Q2":{"hours":82623,"employees":173,"production":1114476},"2024-Q1":{"hours":82070,"employees":171,"production":1115774},"2023-Q4":{"hours":75439,"employees":169,"production":883950},"2023-Q3":{"hours":77527,"employees":171,"production":1004352}},"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":330193,"employees":173,"production":4288404},"2018":{"hours":335803,"employees":176,"production":4256867},"2019":{"hours":331575,"employees":174,"production":3958707},"2020":{"hours":332966,"employees":177,"production":4168628},"2021":{"hours":314485,"employees":173,"production":3585724},"2022":{"hours":303671,"employees":168,"production":3902744},"2023":{"hours":307218,"employees":168,"production":3901324},"2024":{"hours":326080,"employees":174,"production":4240336},"2025":{"hours":326211,"employees":174,"production":2959413},"2026":{"hours":164417,"employees":174,"production":2079908}},"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":177,"firstDate":"2001-02-27","lastDate":"2026-07-09","metrics":{"recentRows":32,"doseOver100":7,"actDoseTotal":5600,"pelDoseTotal":2972},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"125111","EVENT_NO":"F02FE9E","SURVEY_DATE":"07/09/2026","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"65","PEL_DOSE_90":"26","SURVEY_TYPE":"I","sourceDate":"2026-07-09"},{"SOURCE_ROW_NUMBER":"125110","EVENT_NO":"F02FE9E","SURVEY_DATE":"07/09/2026","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"3","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2026-07-09"},{"SOURCE_ROW_NUMBER":"125100","EVENT_NO":"6472754","SURVEY_DATE":"04/24/2025","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"87","PEL_DOSE_90":"83","SURVEY_TYPE":"I","sourceDate":"2025-04-24"},{"SOURCE_ROW_NUMBER":"125099","EVENT_NO":"6472754","SURVEY_DATE":"04/24/2025","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"84","PEL_DOSE_90":"73","SURVEY_TYPE":"I","sourceDate":"2025-04-24"},{"SOURCE_ROW_NUMBER":"125098","EVENT_NO":"6472754","SURVEY_DATE":"04/24/2025","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"72","PEL_DOSE_90":"65","SURVEY_TYPE":"I","sourceDate":"2025-04-24"},{"SOURCE_ROW_NUMBER":"125097","EVENT_NO":"6472754","SURVEY_DATE":"04/24/2025","OCCUPATION_CD_DESC":"STRIPPING SHOVEL OPERATOR","MACHINE_CD":"07","ACT_DOSE_85":"68","PEL_DOSE_90":"60","SURVEY_TYPE":"I","sourceDate":"2025-04-24"},{"SOURCE_ROW_NUMBER":"125109","EVENT_NO":"F0102F8","SURVEY_DATE":"01/23/2025","OCCUPATION_CD_DESC":"COAL TRUCK DRIVER","MACHINE_CD":"39","ACT_DOSE_85":"4","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2025-01-23"},{"SOURCE_ROW_NUMBER":"125108","EVENT_NO":"F0102F8","SURVEY_DATE":"01/23/2025","OCCUPATION_CD_DESC":"HIGHLIFT OPERATOR/FRONT END LOADER","MACHINE_CD":"18","ACT_DOSE_85":"2","PEL_DOSE_90":"0","SURVEY_TYPE":"I","sourceDate":"2025-01-23"},{"SOURCE_ROW_NUMBER":"125107","EVENT_NO":"F0102F8","SURVEY_DATE":"01/23/2025","OCCUPATION_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","MACHINE_CD":"39","ACT_DOSE_85":"4","PEL_DOSE_90":"0","SURVEY_TYPE":"I","sourceDate":"2025-01-23"},{"SOURCE_ROW_NUMBER":"125106","EVENT_NO":"F0102F8","SURVEY_DATE":"01/23/2025","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"22","PEL_DOSE_90":"3","SURVEY_TYPE":"I","sourceDate":"2025-01-23"},{"SOURCE_ROW_NUMBER":"125105","EVENT_NO":"F0102F8","SURVEY_DATE":"01/23/2025","OCCUPATION_CD_DESC":"BULLDOZER OPERATOR","MACHINE_CD":"03","ACT_DOSE_85":"28","PEL_DOSE_90":"3","SURVEY_TYPE":"I","sourceDate":"2025-01-23"},{"SOURCE_ROW_NUMBER":"125104","EVENT_NO":"6472836","SURVEY_DATE":"08/09/2024","OCCUPATION_CD_DESC":"REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE","MACHINE_CD":"39","ACT_DOSE_85":"15","PEL_DOSE_90":"1","SURVEY_TYPE":"I","sourceDate":"2024-08-09"}]},{"id":"msha-quartz-samples","name":"Quartz Samples — Coal","domains":["health","safety"],"products":["quartz exposure trends","occupation context","applicable-rule linkage"],"rowCount":7,"firstDate":"2008-11-19","lastDate":"2018-10-18","metrics":{"recentRows":0,"voidSamples":0,"maxQuartzPct":6.6,"validSamples":7,"quartzPctTotal":15.6},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"96361","CASSETTE_NO":"58323001","SAMPLE_DT":"10/18/2018","QUARTZ_PCT":"02.0","QUARTZ_MICROGRAMS":"2","OCC_CODE_DESC":"BULLDOZER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2018-10-18"},{"SOURCE_ROW_NUMBER":"152637","CASSETTE_NO":"58180380","SAMPLE_DT":"10/21/2015","QUARTZ_PCT":"00.5","QUARTZ_MICROGRAMS":"3","OCC_CODE_DESC":"BULLDOZER OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2015-10-21"},{"SOURCE_ROW_NUMBER":"9454","CASSETTE_NO":"58180596","SAMPLE_DT":"10/21/2015","QUARTZ_PCT":"03.6","QUARTZ_MICROGRAMS":"10","OCC_CODE_DESC":"WELDER (NON-SHOP)","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2015-10-21"},{"SOURCE_ROW_NUMBER":"71854","CASSETTE_NO":"58178382","SAMPLE_DT":"04/20/2015","QUARTZ_PCT":"00.7","QUARTZ_MICROGRAMS":"4","OCC_CODE_DESC":"WELDER (NON-SHOP)","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2015-04-20"},{"SOURCE_ROW_NUMBER":"125643","CASSETTE_NO":"58180198","SAMPLE_DT":"11/21/2014","QUARTZ_PCT":"06.6","QUARTZ_MICROGRAMS":"12","OCC_CODE_DESC":"HIGHWALL DRILL OPERATOR","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2014-11-21"},{"SOURCE_ROW_NUMBER":"80329","CASSETTE_NO":"57987946","SAMPLE_DT":"05/08/2013","QUARTZ_PCT":"02.2","OCC_CODE_DESC":"WELDER (NON-SHOP)","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2013-05-08"},{"SOURCE_ROW_NUMBER":"64977","CASSETTE_NO":"57777483","SAMPLE_DT":"11/19/2008","OCC_CODE_DESC":"WELDER (NON-SHOP)","SAMPLE_TYPE_DESC":"DESIGNATED WORK POSITION","VOID_CD_DESC":"SAMPLE NOT VOIDED","sourceDate":"2008-11-19"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":190,"firstDate":"2001-06-14","lastDate":"2026-08-11","metrics":{"ss":33,"amountDue":73315,"contested":2,"amountPaid":72316,"recentRows":41,"section104d":0,"unterminated":0,"proposedPenalty":108472},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1701950","VIOLATION_NO":"5055158","VIOLATION_ISSUE_DT":"08/11/2026","SIG_SUB":"N","PART_SECTION":"50.20-7(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/12/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2026-08-11"},{"SOURCE_ROW_NUMBER":"1701939","VIOLATION_NO":"5058055","VIOLATION_ISSUE_DT":"07/09/2026","SIG_SUB":"N","PART_SECTION":"77.502-2","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/09/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2026-07-09"},{"SOURCE_ROW_NUMBER":"1701938","VIOLATION_NO":"5057469","VIOLATION_ISSUE_DT":"07/08/2026","SIG_SUB":"N","PART_SECTION":"77.1606(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/08/2026","PROPOSED_PENALTY":"697","AMOUNT_DUE":"697","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2026-07-08"},{"SOURCE_ROW_NUMBER":"1701869","VIOLATION_NO":"9728262","VIOLATION_ISSUE_DT":"03/09/2026","SIG_SUB":"N","PART_SECTION":"47.31(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/18/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-03-09"},{"SOURCE_ROW_NUMBER":"1701864","VIOLATION_NO":"6582271","VIOLATION_ISSUE_DT":"03/05/2026","SIG_SUB":"N","PART_SECTION":"77.502-2","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/05/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-03-05"},{"SOURCE_ROW_NUMBER":"1701863","VIOLATION_NO":"6582270","VIOLATION_ISSUE_DT":"03/05/2026","SIG_SUB":"N","PART_SECTION":"48.27(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"03/17/2026","PROPOSED_PENALTY":"168","AMOUNT_DUE":"168","AMOUNT_PAID":"168","CONTESTED_IND":"N","sourceDate":"2026-03-05"},{"SOURCE_ROW_NUMBER":"1701868","VIOLATION_NO":"9728261","VIOLATION_ISSUE_DT":"03/04/2026","SIG_SUB":"N","PART_SECTION":"77.204","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/09/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-03-04"},{"SOURCE_ROW_NUMBER":"1701867","VIOLATION_NO":"9728260","VIOLATION_ISSUE_DT":"03/03/2026","SIG_SUB":"N","PART_SECTION":"77.1605(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/05/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-03-03"},{"SOURCE_ROW_NUMBER":"1701866","VIOLATION_NO":"9728259","VIOLATION_ISSUE_DT":"03/03/2026","SIG_SUB":"N","PART_SECTION":"77.204","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/09/2026","PROPOSED_PENALTY":"209","AMOUNT_DUE":"209","AMOUNT_PAID":"209","CONTESTED_IND":"N","sourceDate":"2026-03-03"},{"SOURCE_ROW_NUMBER":"1701865","VIOLATION_NO":"9728258","VIOLATION_ISSUE_DT":"03/03/2026","SIG_SUB":"N","PART_SECTION":"77.204","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/09/2026","PROPOSED_PENALTY":"209","AMOUNT_DUE":"209","AMOUNT_PAID":"209","CONTESTED_IND":"N","sourceDate":"2026-03-03"},{"SOURCE_ROW_NUMBER":"1701862","VIOLATION_NO":"6582269","VIOLATION_ISSUE_DT":"03/03/2026","SIG_SUB":"N","PART_SECTION":"48.27(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"3","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/17/2026","PROPOSED_PENALTY":"297","AMOUNT_DUE":"297","AMOUNT_PAID":"297","CONTESTED_IND":"N","sourceDate":"2026-03-03"},{"SOURCE_ROW_NUMBER":"1701894","VIOLATION_NO":"9732400","VIOLATION_ISSUE_DT":"04/28/2025","SIG_SUB":"N","PART_SECTION":"77.904","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/28/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-04-28"}]}],"safety":{"href":"/api/v1/mines/3200218/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3200218/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":{"averageEmployees":174,"companyType":"Operating Subsidiary","components":[{"averageEmployees":174,"laborHours":326080,"mineType":"Surface","productionTons":4240336}],"county":"Oliver","laborHours":326080,"mineName":"Center Mine","mineType":"Surface","mshaId":"3200218","operatingAddress":"2360 35th Ave Sw, Center, ND 58530","operatingCompany":"Bni Coal, Ltd","operationType":"Mine only","productionTons":4240336,"reportedRows":1,"sourceUrl":"https://www.eia.gov/coal/data/public/xls/coalpublic2024.xlsx","state":"North Dakota","status":"Active","supplyRegion":"Western","union":"International Brotherhood Of Electrical Workers","year":2024},"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":"Criteria—MSHA Form 7000-1, Section D.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20-7","part":"50","subchapter":"I","subpart":"C","id":"50.20-7","citation":"30 CFR 50.20-7","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Electric equipment; frequency of examination and testing.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502-2","part":"77","subchapter":"O","subpart":"F","id":"77.502-2","citation":"30 CFR 77.502-2","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":2},{"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","heading":"Requirement for a HazCom program.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-D/section-47.31","part":"47","subchapter":"H","subpart":"D","id":"47.31","citation":"30 CFR 47.31","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 47—HAZARD COMMUNICATION (HazCom)","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Training of miners assigned to a task in which they have had no previous experience; minimum courses of instruction.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-48/subpart-B/section-48.27","part":"48","subchapter":"H","subpart":"B","id":"48.27","citation":"30 CFR 48.27","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 48—TRAINING AND RETRAINING OF MINERS","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Openings in surface installations; safeguards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.204","part":"77","subchapter":"O","subpart":"C","id":"77.204","citation":"30 CFR 77.204","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":3},{"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":"Identification of circuit breakers.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-J/section-77.904","part":"77","subchapter":"O","subpart":"J","id":"77.904","citation":"30 CFR 77.904","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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3200218","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}