{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2103140","name":"43490","status":"Abandoned","status_date":"2009-06-08","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MN","county":"Benton","nearest_town":"Sauk Rapids","operator_id":"L00358","operator_name":"Knife River North Central","controller_id":"0176802","controller_name":"Knife River Corporation","district":"M4","office":"Duluth District","employees":0,"latitude":null,"longitude":null},"coverage":{"contributingSources":11,"registeredSources":20,"sourceRows":151},"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":"2103140","name":"43490"},"operator":{"type":"operator","id":"L00358","name":"Knife River North Central"},"controller":{"type":"controller","id":"0176802","name":"Knife River Corporation"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00294","name":"Bauerly Brothers Inc"},"object":{"type":"mine","id":"2103140","name":"43490"},"validFrom":"1950-01-01","validTo":"2001-04-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103140|M00294|1950-01-01|2001-04-25"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00358","name":"Knife River North Central"},"object":{"type":"mine","id":"2103140","name":"43490"},"validFrom":"1997-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103140|L00358|1997-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00294","name":"Bauerly Brothers Inc"},"object":{"type":"operator","id":"L00358","name":"Knife River North Central"},"validFrom":"1997-05-01","validTo":"2001-04-25","current":false,"derived":true,"evidenceMineId":"2103140","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103140|L00358|1997-05-01|M00294|1950-01-01|109094"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09717","name":"MDU Resources Group Inc"},"object":{"type":"mine","id":"2103140","name":"43490"},"validFrom":"2001-04-26","validTo":"2023-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103140|M09717|2001-04-26|2023-05-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09717","name":"MDU Resources Group Inc"},"object":{"type":"operator","id":"L00358","name":"Knife River North Central"},"validFrom":"2001-04-26","validTo":"2023-05-31","current":false,"derived":true,"evidenceMineId":"2103140","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103140|L00358|1997-05-01|M09717|2001-04-26|147206"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0176802","name":"Knife River Corporation"},"object":{"type":"mine","id":"2103140","name":"43490"},"validFrom":"2023-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103140|0176802|2023-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0176802","name":"Knife River Corporation"},"object":{"type":"operator","id":"L00358","name":"Knife River North Central"},"validFrom":"2023-06-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103140","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103140|L00358|1997-05-01|0176802|2023-06-01|37731"}}],"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":3,"firstDate":"2002-08-13","lastDate":"2003-10-10","metrics":{"daysLost":0,"injuries":3,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"10420","DOCUMENT_NO":"220033170030","ACCIDENT_DT":"10/10/2003","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"ELECTRICAL","ACCIDENT_TYPE":"Contact with electrical current","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","NARRATIVE":"EE STARTED CONVEYOR - RECEIVED SHOCK.","sourceDate":"2003-10-10"},{"SOURCE_ROW_NUMBER":"109089","DOCUMENT_NO":"220023040029","ACCIDENT_DT":"10/17/2002","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","NARRATIVE":"EMPLOYEE WAS INSTALLING SCREEN & STRAINED UPPER BACK & NECK.","sourceDate":"2002-10-17"},{"SOURCE_ROW_NUMBER":"148095","DOCUMENT_NO":"220022770034","ACCIDENT_DT":"08/13/2002","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by flying object","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","NARRATIVE":"FIXING FASTENERS ON CONVEYOR. PIECE OF FASTENER STRUCK EE IN RT. EYE.","sourceDate":"2002-08-13"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2009-06-08","lastDate":"2009-06-08","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":14,"firstDate":"2001-06-04","lastDate":"2007-10-10","metrics":{"ss":4,"delinquent":14,"recentRows":0,"paidPenalty":1931,"proposedPenalty":1931,"currentAssessment":1931},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"372823","VIOLATION_NO":"6194438","ISSUE_DT":"10/10/2007","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-10"},{"SOURCE_ROW_NUMBER":"372822","VIOLATION_NO":"6194437","ISSUE_DT":"10/10/2007","CFR_STANDARD_CD":"56.14101(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-10"},{"SOURCE_ROW_NUMBER":"372821","VIOLATION_NO":"6194436","ISSUE_DT":"10/10/2007","CFR_STANDARD_CD":"56.12016","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"190.00","CURRENT_ASSESSMENT_AMT":"190.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-10"},{"SOURCE_ROW_NUMBER":"372364","VIOLATION_NO":"6193487","ISSUE_DT":"05/22/2007","CFR_STANDARD_CD":"56.5001(a)/.5005","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"176.00","CURRENT_ASSESSMENT_AMT":"176.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-05-22"},{"SOURCE_ROW_NUMBER":"349843","VIOLATION_NO":"6174161","ISSUE_DT":"12/06/2004","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2004-12-06"},{"SOURCE_ROW_NUMBER":"320466","VIOLATION_NO":"6158896","ISSUE_DT":"11/04/2003","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-11-04"},{"SOURCE_ROW_NUMBER":"319546","VIOLATION_NO":"6158301","ISSUE_DT":"11/13/2002","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-11-13"},{"SOURCE_ROW_NUMBER":"147025","VIOLATION_NO":"6134473","ISSUE_DT":"04/09/2002","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"294.00","CURRENT_ASSESSMENT_AMT":"294.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-04-09"},{"SOURCE_ROW_NUMBER":"83271","VIOLATION_NO":"7839870","ISSUE_DT":"06/25/2001","CFR_STANDARD_CD":"56.9300(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-06-25"},{"SOURCE_ROW_NUMBER":"83270","VIOLATION_NO":"7839869","ISSUE_DT":"06/25/2001","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"399.00","CURRENT_ASSESSMENT_AMT":"399.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-06-25"},{"SOURCE_ROW_NUMBER":"146879","VIOLATION_NO":"7839814","ISSUE_DT":"06/04/2001","CFR_STANDARD_CD":"56.14100(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-06-04"},{"SOURCE_ROW_NUMBER":"146878","VIOLATION_NO":"7839813","ISSUE_DT":"06/04/2001","CFR_STANDARD_CD":"56.11001","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"277.00","CURRENT_ASSESSMENT_AMT":"277.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2001-06-04"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":1,"firstDate":"2007-11-14","lastDate":"2007-11-14","metrics":{"linkedIssuances":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":"1997-05-01","lastDate":"1997-05-01","metrics":{"recentRows":0,"currentOperatorTenures":3,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":14,"firstDate":"2001-06-04","lastDate":"2007-10-10","metrics":{"inspectors":15,"recentRows":0,"onSiteHours":111,"inspectionHours":167.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"578904","EVENT_NO":"1005634","INSPECTION_BEGIN_DT":"10/10/2007","INSPECTION_END_DT":"10/10/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2007-10-10"},{"SOURCE_ROW_NUMBER":"98804","EVENT_NO":"1005327","INSPECTION_BEGIN_DT":"05/30/2007","INSPECTION_END_DT":"05/30/2007","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18.5","SUM_TOTAL_ON_SITE_HOURS":"12.5","sourceDate":"2007-05-30"},{"SOURCE_ROW_NUMBER":"729531","EVENT_NO":"1005319","INSPECTION_BEGIN_DT":"05/01/2007","INSPECTION_END_DT":"05/02/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"50","SUM_TOTAL_ON_SITE_HOURS":"31","sourceDate":"2007-05-01"},{"SOURCE_ROW_NUMBER":"11669","EVENT_NO":"0990729","INSPECTION_BEGIN_DT":"10/25/2005","INSPECTION_END_DT":"10/25/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.25","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2005-10-25"},{"SOURCE_ROW_NUMBER":"79695","EVENT_NO":"0990297","INSPECTION_BEGIN_DT":"12/06/2004","INSPECTION_END_DT":"12/07/2004","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"13","sourceDate":"2004-12-06"},{"SOURCE_ROW_NUMBER":"221397","EVENT_NO":"0977912","INSPECTION_BEGIN_DT":"02/25/2004","INSPECTION_END_DT":"02/26/2004","ACTIVITY_CODE":"16","ACTIVITY":"PART 50 AUDIT","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2004-02-25"},{"SOURCE_ROW_NUMBER":"193805","EVENT_NO":"0977915","INSPECTION_BEGIN_DT":"02/25/2004","INSPECTION_END_DT":"02/25/2004","ACTIVITY_CODE":"44","ACTIVITY":"SPECIAL ENFORCEMENT 3","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2004-02-25"},{"SOURCE_ROW_NUMBER":"570984","EVENT_NO":"0968510","INSPECTION_BEGIN_DT":"11/04/2003","INSPECTION_END_DT":"11/04/2003","ACTIVITY_CODE":"44","ACTIVITY":"SPECIAL ENFORCEMENT 3","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2003-11-04"},{"SOURCE_ROW_NUMBER":"451709","EVENT_NO":"0968507","INSPECTION_BEGIN_DT":"11/04/2003","INSPECTION_END_DT":"11/04/2003","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2003-11-04"},{"SOURCE_ROW_NUMBER":"231436","EVENT_NO":"0968576","INSPECTION_BEGIN_DT":"08/14/2003","INSPECTION_END_DT":"08/14/2003","ACTIVITY_CODE":"82","ACTIVITY":"AT MINE TRAINING ACTIVITIES","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2003-08-14"},{"SOURCE_ROW_NUMBER":"1121858","EVENT_NO":"0968024","INSPECTION_BEGIN_DT":"11/13/2002","INSPECTION_END_DT":"11/14/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22","SUM_TOTAL_ON_SITE_HOURS":"14","sourceDate":"2002-11-13"},{"SOURCE_ROW_NUMBER":"278468","EVENT_NO":"0812157","INSPECTION_BEGIN_DT":"04/09/2002","INSPECTION_END_DT":"04/09/2002","ACTIVITY_CODE":"01","ACTIVITY":"REGULAR INSPECTION","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"17","sourceDate":"2002-04-09"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":73,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2009-Q1":{"hours":0,"employees":0,"production":0},"2008-Q4":{"hours":107,"employees":3,"production":0},"2008-Q3":{"hours":560,"employees":4,"production":0},"2008-Q2":{"hours":110,"employees":4,"production":0},"2008-Q1":{"hours":0,"employees":0,"production":0},"2007-Q4":{"hours":333,"employees":4,"production":0},"2007-Q3":{"hours":597,"employees":5,"production":0},"2007-Q2":{"hours":303,"employees":2,"production":0},"2007-Q1":{"hours":0,"employees":0,"production":0},"2006-Q4":{"hours":463,"employees":3,"production":0},"2006-Q3":{"hours":893,"employees":3,"production":0},"2006-Q2":{"hours":586,"employees":3,"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":18,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000":{"hours":2084,"employees":3,"production":0},"2001":{"hours":2399,"employees":3,"production":0},"2002":{"hours":2962,"employees":4,"production":0},"2003":{"hours":2405,"employees":6,"production":0},"2004":{"hours":2058,"employees":6,"production":0},"2005":{"hours":2252,"employees":6,"production":0},"2006":{"hours":1953,"employees":3,"production":0},"2007":{"hours":1233,"employees":4,"production":0},"2008":{"hours":777,"employees":4,"production":0}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":9,"firstDate":"2002-04-09","lastDate":"2007-05-30","metrics":{"recentRows":0,"actionTaken":9,"maxExposureRatio":1.48,"overExposureLimit":1,"exposureRatioTotal":4.43},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"80782","EVENT_NO":"1005327","SAMPLE_NO":"000000200704104300","SAMPLE_DATE":"05/30/2007","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.25","EXPOSURE_LIMIT":"0000.97","C_OVER_E":"00.26","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"CITATION/ORDER TERMINATED","sourceDate":"2007-05-30"},{"SOURCE_ROW_NUMBER":"79782","EVENT_NO":"1005319","SAMPLE_NO":"000000200703362500","SAMPLE_DATE":"05/02/2007","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.68","EXPOSURE_LIMIT":"0001.03","C_OVER_E":"00.66","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2007-05-02"},{"SOURCE_ROW_NUMBER":"79781","EVENT_NO":"1005319","SAMPLE_NO":"000000200703362400","SAMPLE_DATE":"05/02/2007","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.74","EXPOSURE_LIMIT":"0000.50","C_OVER_E":"01.48","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"CITATION/ORDER ISSUED","sourceDate":"2007-05-02"},{"SOURCE_ROW_NUMBER":"70608","EVENT_NO":"0990297","SAMPLE_NO":"000000200411004900","SAMPLE_DATE":"12/07/2004","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.44","EXPOSURE_LIMIT":"0000.87","C_OVER_E":"00.51","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-12-07"},{"SOURCE_ROW_NUMBER":"70607","EVENT_NO":"0990297","SAMPLE_NO":"000000200411004800","SAMPLE_DATE":"12/07/2004","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.13","EXPOSURE_LIMIT":"0000.74","C_OVER_E":"00.18","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-12-07"},{"SOURCE_ROW_NUMBER":"19709","EVENT_NO":"0968024","SAMPLE_NO":"000000200208787300","SAMPLE_DATE":"11/14/2002","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.71","EXPOSURE_LIMIT":"0001.01","C_OVER_E":"00.70","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-11-14"},{"SOURCE_ROW_NUMBER":"19708","EVENT_NO":"0968024","SAMPLE_NO":"000000200208787200","SAMPLE_DATE":"11/14/2002","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.70","EXPOSURE_LIMIT":"0001.09","C_OVER_E":"00.64","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-11-14"},{"SOURCE_ROW_NUMBER":"193","EVENT_NO":"0812157","SAMPLE_NO":"000000200202531400","SAMPLE_DATE":"04/09/2002","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-04-09"},{"SOURCE_ROW_NUMBER":"192","EVENT_NO":"0812157","SAMPLE_NO":"000000200202531300","SAMPLE_DATE":"04/09/2002","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-04-09"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":14,"firstDate":"2001-06-04","lastDate":"2007-10-10","metrics":{"ss":4,"amountDue":1931,"contested":0,"amountPaid":1931,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":1931},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1364302","VIOLATION_NO":"6194438","VIOLATION_ISSUE_DT":"10/10/2007","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/10/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-10-10"},{"SOURCE_ROW_NUMBER":"1364301","VIOLATION_NO":"6194437","VIOLATION_ISSUE_DT":"10/10/2007","SIG_SUB":"N","PART_SECTION":"56.14101(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/10/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-10-10"},{"SOURCE_ROW_NUMBER":"1364300","VIOLATION_NO":"6194436","VIOLATION_ISSUE_DT":"10/10/2007","SIG_SUB":"Y","PART_SECTION":"56.12016","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"2","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/10/2007","PROPOSED_PENALTY":"190","AMOUNT_DUE":"190","AMOUNT_PAID":"190","CONTESTED_IND":"N","sourceDate":"2007-10-10"},{"SOURCE_ROW_NUMBER":"1364293","VIOLATION_NO":"6193487","VIOLATION_ISSUE_DT":"05/22/2007","SIG_SUB":"Y","PART_SECTION":"56.5001(a)/.5005","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/18/2007","PROPOSED_PENALTY":"176","AMOUNT_DUE":"176","AMOUNT_PAID":"176","CONTESTED_IND":"N","sourceDate":"2007-05-22"},{"SOURCE_ROW_NUMBER":"1364305","VIOLATION_NO":"6174161","VIOLATION_ISSUE_DT":"12/06/2004","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"12/07/2004","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2004-12-06"},{"SOURCE_ROW_NUMBER":"1364303","VIOLATION_NO":"6158896","VIOLATION_ISSUE_DT":"11/04/2003","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/04/2003","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2003-11-04"},{"SOURCE_ROW_NUMBER":"1364304","VIOLATION_NO":"6158301","VIOLATION_ISSUE_DT":"11/13/2002","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/14/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-11-13"},{"SOURCE_ROW_NUMBER":"1364292","VIOLATION_NO":"6134473","VIOLATION_ISSUE_DT":"04/09/2002","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/09/2002","PROPOSED_PENALTY":"294","AMOUNT_DUE":"294","AMOUNT_PAID":"294","CONTESTED_IND":"N","sourceDate":"2002-04-09"},{"SOURCE_ROW_NUMBER":"1364299","VIOLATION_NO":"7839870","VIOLATION_ISSUE_DT":"06/25/2001","SIG_SUB":"N","PART_SECTION":"56.9300(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/25/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-06-25"},{"SOURCE_ROW_NUMBER":"1364298","VIOLATION_NO":"7839869","VIOLATION_ISSUE_DT":"06/25/2001","SIG_SUB":"Y","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/14/2001","PROPOSED_PENALTY":"399","AMOUNT_DUE":"399","AMOUNT_PAID":"399","CONTESTED_IND":"N","sourceDate":"2001-06-25"},{"SOURCE_ROW_NUMBER":"1364297","VIOLATION_NO":"7839814","VIOLATION_ISSUE_DT":"06/04/2001","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/25/2001","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2001-06-04"},{"SOURCE_ROW_NUMBER":"1364296","VIOLATION_NO":"7839813","VIOLATION_ISSUE_DT":"06/04/2001","SIG_SUB":"Y","PART_SECTION":"56.11001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/04/2001","PROPOSED_PENALTY":"277","AMOUNT_DUE":"277","AMOUNT_PAID":"277","CONTESTED_IND":"N","sourceDate":"2001-06-04"}]}],"safety":{"href":"/api/v1/mines/2103140/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2103140/silica","description":"Dedicated silica records, measurements, sample status and trends. Defaults to the snapshot year; use year=all for history."},"externalContext":{"eia":null,"title30":{"snapshot":{"chapterCount":6,"featuredSectionCount":100,"latestAmendedOn":"2026-08-14","latestIssueDate":"2026-08-14","partCount":206,"sectionCount":5954,"upToDateAsOf":"2026-08-19"},"regulations":[{"chapter":"I","heading":"Electrical conductors.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004","part":"56","subchapter":"K","subpart":"K","id":"56.12004","citation":"30 CFR 56.12004","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Brakes.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101","part":"56","subchapter":"K","subpart":"M","id":"56.14101","citation":"30 CFR 56.14101","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Work on electrically-powered equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12016","part":"56","subchapter":"K","subpart":"K","id":"56.12016","citation":"30 CFR 56.12016","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Exposure limits for airborne contaminants.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-D/section-56.5001","part":"56","subchapter":"K","subpart":"D","id":"56.5001","citation":"30 CFR 56.5001","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Horns and backup alarms.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132","part":"56","subchapter":"K","subpart":"M","id":"56.14132","citation":"30 CFR 56.14132","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Moving machine parts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107","part":"56","subchapter":"K","subpart":"M","id":"56.14107","citation":"30 CFR 56.14107","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Berms or guardrails.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300","part":"56","subchapter":"K","subpart":"H","id":"56.9300","citation":"30 CFR 56.9300","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Safety defects; examination, correction and records.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100","part":"56","subchapter":"K","subpart":"M","id":"56.14100","citation":"30 CFR 56.14100","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Safe access.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001","part":"56","subchapter":"K","subpart":"J","id":"56.11001","citation":"30 CFR 56.11001","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2103140","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}