{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2103086","name":"503990","status":"Intermittent","status_date":"1994-09-13","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MN","county":"Chisago","nearest_town":"Harris","operator_id":"L00358","operator_name":"Knife River Corporation North Central","controller_id":"0176802","controller_name":"Knife River Corporation","district":"M4","office":"Duluth MN Field Office","employees":2,"latitude":45.591944,"longitude":-94.166111},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":340},"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":"2103086","name":"503990"},"operator":{"type":"operator","id":"L00358","name":"Knife River Corporation 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":"2103086","name":"503990"},"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":"2103086|M00294|1950-01-01|2001-04-25"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00358","name":"Knife River Corporation North Central"},"object":{"type":"mine","id":"2103086","name":"503990"},"validFrom":"1994-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103086|L00358|1994-09-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00294","name":"Bauerly Brothers Inc"},"object":{"type":"operator","id":"L00358","name":"Knife River Corporation North Central"},"validFrom":"1994-09-01","validTo":"2001-04-25","current":false,"derived":true,"evidenceMineId":"2103086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103086|L00358|1994-09-01|M00294|1950-01-01|109084"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09717","name":"MDU Resources Group Inc"},"object":{"type":"mine","id":"2103086","name":"503990"},"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":"2103086|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 Corporation North Central"},"validFrom":"2001-04-26","validTo":"2023-05-31","current":false,"derived":true,"evidenceMineId":"2103086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103086|L00358|1994-09-01|M09717|2001-04-26|147196"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0176802","name":"Knife River Corporation"},"object":{"type":"mine","id":"2103086","name":"503990"},"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":"2103086|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 Corporation North Central"},"validFrom":"2023-06-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2103086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2103086|L00358|1994-09-01|0176802|2023-06-01|37718"}}],"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":2,"firstDate":"2004-10-01","lastDate":"2005-09-07","metrics":{"daysLost":0,"injuries":2,"fatalities":0,"recentRows":0,"restrictedDays":8,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"57631","DOCUMENT_NO":"220052580023","ACCIDENT_DT":"09/07/2005","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion in lifting objects","OCCUPATION":"Pumper","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"SHOVELING ROCK SPILLAGE FROM CATWALK ON WASH PLANT - BACK \"POPPED\" AND CAUSED PAIN.","sourceDate":"2005-09-07"},{"SOURCE_ROW_NUMBER":"70523","DOCUMENT_NO":"220042870019","ACCIDENT_DT":"10/01/2004","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall from machine","OCCUPATION":"Tipple/Top lander/Skip dumper operator, Binman, Topman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was coming down ladder of wash plant. it was dark and raining. needed a flashlight. left foot slippe doff step rung. ee caught himself with his arms and then left sharp pain in back.","sourceDate":"2004-10-01"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"1994-09-13","lastDate":"1994-09-13","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":13,"firstDate":"2001-06-05","lastDate":"2017-07-21","metrics":{"ss":3,"delinquent":11,"recentRows":0,"paidPenalty":1309,"proposedPenalty":1309,"currentAssessment":1309},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2450900","VIOLATION_NO":"8897171","ISSUE_DT":"07/21/2017","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"204.00","CURRENT_ASSESSMENT_AMT":"204.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2017-07-21"},{"SOURCE_ROW_NUMBER":"2397072","VIOLATION_NO":"8889879","ISSUE_DT":"08/17/2016","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"114.00","CURRENT_ASSESSMENT_AMT":"114.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-08-17"},{"SOURCE_ROW_NUMBER":"2263299","VIOLATION_NO":"8665531","ISSUE_DT":"11/05/2012","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-11-05"},{"SOURCE_ROW_NUMBER":"2263298","VIOLATION_NO":"8665530","ISSUE_DT":"11/05/2012","CFR_STANDARD_CD":"56.11002","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"162.00","CURRENT_ASSESSMENT_AMT":"162.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-11-05"},{"SOURCE_ROW_NUMBER":"2064770","VIOLATION_NO":"6552811","ISSUE_DT":"06/29/2010","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-06-29"},{"SOURCE_ROW_NUMBER":"372826","VIOLATION_NO":"6194441","ISSUE_DT":"10/17/2007","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":"2007-10-17"},{"SOURCE_ROW_NUMBER":"372825","VIOLATION_NO":"6194440","ISSUE_DT":"10/17/2007","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":"2007-10-17"},{"SOURCE_ROW_NUMBER":"372824","VIOLATION_NO":"6194439","ISSUE_DT":"10/17/2007","CFR_STANDARD_CD":"56.14108","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-10-17"},{"SOURCE_ROW_NUMBER":"320474","VIOLATION_NO":"6158905","ISSUE_DT":"11/18/2003","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2003-11-18"},{"SOURCE_ROW_NUMBER":"319539","VIOLATION_NO":"6158293","ISSUE_DT":"10/08/2002","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"104.00","CURRENT_ASSESSMENT_AMT":"104.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-10-08"},{"SOURCE_ROW_NUMBER":"319271","VIOLATION_NO":"6134528","ISSUE_DT":"06/05/2002","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":"2002-06-05"},{"SOURCE_ROW_NUMBER":"319270","VIOLATION_NO":"6134527","ISSUE_DT":"06/05/2002","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-06-05"}]},{"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":"2011-04-14","lastDate":"2011-04-14","metrics":{"appeals":0,"decisions":1,"recentRows":0,"decisionPenalty":100,"originalPenalty":100},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"284076","VIOLATION_NO":"6552811","DOCKET_NO":"LAKE 2010-996M","DECISION_DT":"04/14/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2011-04-14"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":1,"firstDate":"2010-06-29","lastDate":"2010-06-29","metrics":{"decisions":1,"ssChanged":0,"recentRows":0,"decisionPenalty":100,"proposedPenalty":100},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"245917","CITATION_NO":"6552811","CITATION_ISSUE_DT":"06/29/2010","DOCKET_NO":"LAKE 2010-996M","DECISION_DT":"04/14/2011","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2010-06-29"}]},{"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":"1994-09-01","lastDate":"1994-09-01","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":38,"firstDate":"2001-06-05","lastDate":"2026-09-17","metrics":{"inspectors":39,"recentRows":8,"onSiteHours":130.5,"inspectionHours":274.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"154097","EVENT_NO":"F052C49","INSPECTION_BEGIN_DT":"09/17/2026","INSPECTION_END_DT":"09/17/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"4.75","sourceDate":"2026-09-17"},{"SOURCE_ROW_NUMBER":"700860","EVENT_NO":"F0381EE","INSPECTION_BEGIN_DT":"05/28/2026","INSPECTION_END_DT":"05/28/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"4.25","sourceDate":"2026-05-28"},{"SOURCE_ROW_NUMBER":"555272","EVENT_NO":"F014B29","INSPECTION_BEGIN_DT":"10/07/2024","INSPECTION_END_DT":"10/07/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.25","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2024-10-07"},{"SOURCE_ROW_NUMBER":"589739","EVENT_NO":"6952348","INSPECTION_BEGIN_DT":"07/15/2024","INSPECTION_END_DT":"07/18/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.25","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2024-07-15"},{"SOURCE_ROW_NUMBER":"312357","EVENT_NO":"6952072","INSPECTION_BEGIN_DT":"09/21/2023","INSPECTION_END_DT":"09/21/2023","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.75","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2023-09-21"},{"SOURCE_ROW_NUMBER":"1018534","EVENT_NO":"6906437","INSPECTION_BEGIN_DT":"10/19/2022","INSPECTION_END_DT":"10/19/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.75","SUM_TOTAL_ON_SITE_HOURS":"4.25","sourceDate":"2022-10-19"},{"SOURCE_ROW_NUMBER":"207131","EVENT_NO":"6901810","INSPECTION_BEGIN_DT":"05/05/2022","INSPECTION_END_DT":"05/05/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2022-05-05"},{"SOURCE_ROW_NUMBER":"621700","EVENT_NO":"6836695","INSPECTION_BEGIN_DT":"08/31/2021","INSPECTION_END_DT":"08/31/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2021-08-31"},{"SOURCE_ROW_NUMBER":"494143","EVENT_NO":"6836510","INSPECTION_BEGIN_DT":"09/21/2020","INSPECTION_END_DT":"09/23/2020","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18.5","SUM_TOTAL_ON_SITE_HOURS":"8.25","sourceDate":"2020-09-21"},{"SOURCE_ROW_NUMBER":"142605","EVENT_NO":"6747793","INSPECTION_BEGIN_DT":"11/19/2019","INSPECTION_END_DT":"11/19/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2019-11-19"},{"SOURCE_ROW_NUMBER":"1030772","EVENT_NO":"6747826","INSPECTION_BEGIN_DT":"07/23/2019","INSPECTION_END_DT":"07/23/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":"1.75","sourceDate":"2019-07-23"},{"SOURCE_ROW_NUMBER":"258720","EVENT_NO":"6747174","INSPECTION_BEGIN_DT":"08/15/2018","INSPECTION_END_DT":"08/15/2018","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2018-08-15"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":208,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":805,"employees":2,"production":0},"2026-Q1":{"hours":1,"employees":1,"production":0},"2025-Q4":{"hours":361,"employees":2,"production":0},"2025-Q3":{"hours":793,"employees":2,"production":0},"2025-Q2":{"hours":846,"employees":2,"production":0},"2025-Q1":{"hours":1,"employees":1,"production":0},"2024-Q4":{"hours":361,"employees":2,"production":0},"2024-Q3":{"hours":1585,"employees":3,"production":0},"2024-Q2":{"hours":2340,"employees":3,"production":0},"2024-Q1":{"hours":1,"employees":1,"production":0},"2023-Q4":{"hours":553,"employees":3,"production":0},"2023-Q3":{"hours":1561,"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":54,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":421,"employees":2,"production":0},"2018":{"hours":394,"employees":2,"production":0},"2019":{"hours":532,"employees":3,"production":0},"2020":{"hours":710,"employees":3,"production":0},"2021":{"hours":805,"employees":2,"production":0},"2022":{"hours":3222,"employees":3,"production":0},"2023":{"hours":2896,"employees":3,"production":0},"2024":{"hours":4287,"employees":3,"production":0},"2025":{"hours":2001,"employees":2,"production":0},"2026":{"hours":806,"employees":2,"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":5,"firstDate":"2002-06-06","lastDate":"2026-09-17","metrics":{"recentRows":1,"actionTaken":5,"maxExposureRatio":0.88,"overExposureLimit":0,"exposureRatioTotal":1.12},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"315850","EVENT_NO":"F052C49","SAMPLE_NO":"000000202603875600","SAMPLE_DATE":"09/17/2026","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2026-09-17"},{"SOURCE_ROW_NUMBER":"241604","EVENT_NO":"6836510","SAMPLE_NO":"000000202003948200","SAMPLE_DATE":"09/23/2020","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.29","EXPOSURE_LIMIT":"0000.33","C_OVER_E":"00.88","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2020-09-23"},{"SOURCE_ROW_NUMBER":"150679","EVENT_NO":"6637311","SAMPLE_NO":"000000201406812300","SAMPLE_DATE":"09/09/2014","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Washer Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2014-09-09"},{"SOURCE_ROW_NUMBER":"145395","EVENT_NO":"6574110","SAMPLE_NO":"000000201009316200","SAMPLE_DATE":"09/28/2010","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":"2010-09-28"},{"SOURCE_ROW_NUMBER":"12521","EVENT_NO":"0967861","SAMPLE_NO":"000000200204258300","SAMPLE_DATE":"06/06/2002","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.20","EXPOSURE_LIMIT":"0000.83","C_OVER_E":"00.24","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-06-06"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":13,"firstDate":"2001-06-05","lastDate":"2017-07-21","metrics":{"ss":3,"amountDue":1309,"contested":1,"amountPaid":1309,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":1309},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1362939","VIOLATION_NO":"8897171","VIOLATION_ISSUE_DT":"07/21/2017","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/21/2017","PROPOSED_PENALTY":"204","AMOUNT_DUE":"204","AMOUNT_PAID":"204","CONTESTED_IND":"N","sourceDate":"2017-07-21"},{"SOURCE_ROW_NUMBER":"1362940","VIOLATION_NO":"8889879","VIOLATION_ISSUE_DT":"08/17/2016","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/22/2016","PROPOSED_PENALTY":"114","AMOUNT_DUE":"114","AMOUNT_PAID":"114","CONTESTED_IND":"N","sourceDate":"2016-08-17"},{"SOURCE_ROW_NUMBER":"1362946","VIOLATION_NO":"8665531","VIOLATION_ISSUE_DT":"11/05/2012","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/13/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-11-05"},{"SOURCE_ROW_NUMBER":"1362945","VIOLATION_NO":"8665530","VIOLATION_ISSUE_DT":"11/05/2012","SIG_SUB":"Y","PART_SECTION":"56.11002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/05/2012","PROPOSED_PENALTY":"162","AMOUNT_DUE":"162","AMOUNT_PAID":"162","CONTESTED_IND":"N","sourceDate":"2012-11-05"},{"SOURCE_ROW_NUMBER":"1362938","VIOLATION_NO":"6552811","VIOLATION_ISSUE_DT":"06/29/2010","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"06/29/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"Y","DOCKET_NO":"LAKE 2010-996M","sourceDate":"2010-06-29"},{"SOURCE_ROW_NUMBER":"1362944","VIOLATION_NO":"6194441","VIOLATION_ISSUE_DT":"10/17/2007","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/17/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-10-17"},{"SOURCE_ROW_NUMBER":"1362943","VIOLATION_NO":"6194440","VIOLATION_ISSUE_DT":"10/17/2007","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/17/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-10-17"},{"SOURCE_ROW_NUMBER":"1362942","VIOLATION_NO":"6194439","VIOLATION_ISSUE_DT":"10/17/2007","SIG_SUB":"N","PART_SECTION":"56.14108","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/17/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2007-10-17"},{"SOURCE_ROW_NUMBER":"1362947","VIOLATION_NO":"6158905","VIOLATION_ISSUE_DT":"11/18/2003","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/18/2003","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2003-11-18"},{"SOURCE_ROW_NUMBER":"1362941","VIOLATION_NO":"6158293","VIOLATION_ISSUE_DT":"10/08/2002","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/09/2002","PROPOSED_PENALTY":"104","AMOUNT_DUE":"104","AMOUNT_PAID":"104","CONTESTED_IND":"N","sourceDate":"2002-10-08"},{"SOURCE_ROW_NUMBER":"1362937","VIOLATION_NO":"6134528","VIOLATION_ISSUE_DT":"06/05/2002","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/05/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-06-05"},{"SOURCE_ROW_NUMBER":"1362936","VIOLATION_NO":"6134527","VIOLATION_ISSUE_DT":"06/05/2002","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/05/2002","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-06-05"}]}],"safety":{"href":"/api/v1/mines/2103086/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2103086/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":"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":4},{"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":5},{"chapter":"I","heading":"Handrails and toeboards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002","part":"56","subchapter":"K","subpart":"J","id":"56.11002","citation":"30 CFR 56.11002","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Overhead drive belts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14108","part":"56","subchapter":"K","subpart":"M","id":"56.14108","citation":"30 CFR 56.14108","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"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":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"2103086","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}