{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"2102936","name":"513325","status":"Intermittent","status_date":"1985-05-15","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MN","county":"Morrison","nearest_town":"Little Falls","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":4,"latitude":46.950556,"longitude":-91.781944},"coverage":{"contributingSources":10,"registeredSources":20,"sourceRows":411},"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":"2102936","name":"513325"},"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":"2102936","name":"513325"},"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":"2102936|M00294|1950-01-01|2001-04-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02395","name":"Daniel J  Surma et al"},"object":{"type":"mine","id":"2102936","name":"513325"},"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":"2102936|M02395|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02899","name":"Tri-City Paving, Inc."},"object":{"type":"mine","id":"2102936","name":"513325"},"validFrom":"1985-05-01","validTo":"2018-06-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2102936|L02899|1985-05-01|2018-06-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02395","name":"Daniel J  Surma et al"},"object":{"type":"operator","id":"L02899","name":"Tri-City Paving, Inc."},"validFrom":"1985-05-01","validTo":"2018-06-24","current":false,"derived":true,"evidenceMineId":"2102936","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2102936|L02899|1985-05-01|M02395|1950-01-01|125217"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02395","name":"John D  Surma et al"},"object":{"type":"operator","id":"L02899","name":"Tri-City Paving, Inc."},"validFrom":"1985-05-01","validTo":"2018-06-24","current":false,"derived":true,"evidenceMineId":"2102936","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2102936|L02899|1985-05-01|M02395|1950-01-01|125218"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09717","name":"MDU Resources Group Inc"},"object":{"type":"mine","id":"2102936","name":"513325"},"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":"2102936|M09717|2001-04-26|2023-05-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00358","name":"Knife River Corporation North Central"},"object":{"type":"mine","id":"2102936","name":"513325"},"validFrom":"2018-06-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2102936|L00358|2018-06-25|"}},{"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":"2018-06-25","validTo":"2001-04-25","current":false,"derived":true,"evidenceMineId":"2102936","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2102936|L00358|2018-06-25|M00294|1950-01-01|109079"}},{"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":"2018-06-25","validTo":"2023-05-31","current":false,"derived":true,"evidenceMineId":"2102936","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2102936|L00358|2018-06-25|M09717|2001-04-26|147191"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0176802","name":"Knife River Corporation"},"object":{"type":"mine","id":"2102936","name":"513325"},"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":"2102936|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":"2102936","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2102936|L00358|2018-06-25|0176802|2023-06-01|37713"}}],"coverage":{"historyRecords":5,"edgeCount":11,"intervalAnomalies":1,"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":1,"firstDate":"2000-11-20","lastDate":"2000-11-20","metrics":{"daysLost":0,"injuries":1,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"92007","DOCUMENT_NO":"220003570045","ACCIDENT_DT":"11/20/2000","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","NARRATIVE":"THE CONE GOT PLUGGED WITH ROCK & DIRT (FROZEN). EE USED A PRY BAR TO UNPLUG IT. THE BAR SNAPPED, SPRINGING BACK AND HITTING HIS RIGHT HAND BETWEEN THUMB AND POINTER FINGER.","sourceDate":"2000-11-20"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"1985-05-15","lastDate":"1985-05-15","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":47,"firstDate":"2002-05-07","lastDate":"2020-11-03","metrics":{"ss":7,"delinquent":47,"recentRows":0,"paidPenalty":5173,"proposedPenalty":5173,"currentAssessment":5173},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2593233","VIOLATION_NO":"8947714","ISSUE_DT":"11/03/2020","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"123.00","CURRENT_ASSESSMENT_AMT":"123.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2020-11-03"},{"SOURCE_ROW_NUMBER":"2592696","VIOLATION_NO":"9481246","ISSUE_DT":"05/13/2020","CFR_STANDARD_CD":"56.20003(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"123.00","CURRENT_ASSESSMENT_AMT":"123.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2020-05-13"},{"SOURCE_ROW_NUMBER":"2592695","VIOLATION_NO":"9481245","ISSUE_DT":"05/13/2020","CFR_STANDARD_CD":"56.16005","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"123.00","CURRENT_ASSESSMENT_AMT":"123.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2020-05-13"},{"SOURCE_ROW_NUMBER":"2459590","VIOLATION_NO":"9385363","ISSUE_DT":"07/29/2019","CFR_STANDARD_CD":"56.14100(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"121.00","CURRENT_ASSESSMENT_AMT":"121.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-07-29"},{"SOURCE_ROW_NUMBER":"2458011","VIOLATION_NO":"9384610","ISSUE_DT":"07/11/2018","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"118.00","CURRENT_ASSESSMENT_AMT":"118.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2018-07-11"},{"SOURCE_ROW_NUMBER":"2458010","VIOLATION_NO":"9384609","ISSUE_DT":"07/11/2018","CFR_STANDARD_CD":"56.20003(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"118.00","CURRENT_ASSESSMENT_AMT":"118.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2018-07-11"},{"SOURCE_ROW_NUMBER":"2458009","VIOLATION_NO":"9384608","ISSUE_DT":"07/11/2018","CFR_STANDARD_CD":"56.12032","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"118.00","CURRENT_ASSESSMENT_AMT":"118.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2018-07-11"},{"SOURCE_ROW_NUMBER":"2458008","VIOLATION_NO":"9384602","ISSUE_DT":"07/09/2018","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"118.00","CURRENT_ASSESSMENT_AMT":"118.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2018-07-09"},{"SOURCE_ROW_NUMBER":"2458007","VIOLATION_NO":"9384601","ISSUE_DT":"07/09/2018","CFR_STANDARD_CD":"56.12032","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"118.00","CURRENT_ASSESSMENT_AMT":"118.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2018-07-09"},{"SOURCE_ROW_NUMBER":"2397229","VIOLATION_NO":"8889739","ISSUE_DT":"08/09/2016","CFR_STANDARD_CD":"56.14100(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"114.00","CURRENT_ASSESSMENT_AMT":"114.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-08-09"},{"SOURCE_ROW_NUMBER":"2397228","VIOLATION_NO":"8889738","ISSUE_DT":"08/09/2016","CFR_STANDARD_CD":"56.14132(b)(1)(i)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"200.00","CURRENT_ASSESSMENT_AMT":"200.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2016-08-09"},{"SOURCE_ROW_NUMBER":"2397227","VIOLATION_NO":"8889737","ISSUE_DT":"08/09/2016","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":"2016-08-09"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":5,"firstDate":"1985-05-01","lastDate":"2018-06-25","metrics":{"recentRows":0,"currentOperatorTenures":3,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":33,"firstDate":"2001-05-17","lastDate":"2026-03-20","metrics":{"inspectors":36,"recentRows":6,"onSiteHours":171.25,"inspectionHours":352.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1067892","EVENT_NO":"F037B07","INSPECTION_BEGIN_DT":"03/20/2026","INSPECTION_END_DT":"03/20/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2026-03-20"},{"SOURCE_ROW_NUMBER":"377754","EVENT_NO":"F01D305","INSPECTION_BEGIN_DT":"05/06/2025","INSPECTION_END_DT":"05/07/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"24.5","SUM_TOTAL_ON_SITE_HOURS":"17.25","sourceDate":"2025-05-06"},{"SOURCE_ROW_NUMBER":"536181","EVENT_NO":"6907946","INSPECTION_BEGIN_DT":"08/28/2024","INSPECTION_END_DT":"08/29/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.75","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2024-08-28"},{"SOURCE_ROW_NUMBER":"124940","EVENT_NO":"6907382","INSPECTION_BEGIN_DT":"05/22/2024","INSPECTION_END_DT":"05/22/2024","ACTIVITY_CODE":"E17","ACTIVITY":"Special Emphasis Programs","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2024-05-22"},{"SOURCE_ROW_NUMBER":"283595","EVENT_NO":"6907315","INSPECTION_BEGIN_DT":"07/11/2023","INSPECTION_END_DT":"07/11/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.5","SUM_TOTAL_ON_SITE_HOURS":"2.75","sourceDate":"2023-07-11"},{"SOURCE_ROW_NUMBER":"885900","EVENT_NO":"7026159","INSPECTION_BEGIN_DT":"08/18/2022","INSPECTION_END_DT":"08/18/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2022-08-18"},{"SOURCE_ROW_NUMBER":"581053","EVENT_NO":"6836372","INSPECTION_BEGIN_DT":"11/02/2020","INSPECTION_END_DT":"11/05/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11.25","SUM_TOTAL_ON_SITE_HOURS":"3.25","sourceDate":"2020-11-02"},{"SOURCE_ROW_NUMBER":"633178","EVENT_NO":"6836054","INSPECTION_BEGIN_DT":"05/13/2020","INSPECTION_END_DT":"05/13/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.75","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2020-05-13"},{"SOURCE_ROW_NUMBER":"664620","EVENT_NO":"6836121","INSPECTION_BEGIN_DT":"09/24/2019","INSPECTION_END_DT":"09/24/2019","ACTIVITY_CODE":"E17","ACTIVITY":"Special Emphasis Programs","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.75","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2019-09-24"},{"SOURCE_ROW_NUMBER":"791406","EVENT_NO":"6747827","INSPECTION_BEGIN_DT":"07/29/2019","INSPECTION_END_DT":"07/29/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.5","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2019-07-29"},{"SOURCE_ROW_NUMBER":"656053","EVENT_NO":"6747148","INSPECTION_BEGIN_DT":"07/09/2018","INSPECTION_END_DT":"07/11/2018","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"24.5","SUM_TOTAL_ON_SITE_HOURS":"14","sourceDate":"2018-07-09"},{"SOURCE_ROW_NUMBER":"236477","EVENT_NO":"6710721","INSPECTION_BEGIN_DT":"11/02/2016","INSPECTION_END_DT":"11/02/2016","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"3.25","sourceDate":"2016-11-02"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":209,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":2413,"employees":4,"production":0},"2026-Q1":{"hours":259,"employees":5,"production":0},"2025-Q4":{"hours":961,"employees":5,"production":0},"2025-Q3":{"hours":2377,"employees":4,"production":0},"2025-Q2":{"hours":2536,"employees":4,"production":0},"2025-Q1":{"hours":1,"employees":1,"production":0},"2024-Q4":{"hours":1921,"employees":5,"production":0},"2024-Q3":{"hours":2377,"employees":4,"production":0},"2024-Q2":{"hours":3120,"employees":4,"production":0},"2024-Q1":{"hours":1,"employees":1,"production":0},"2023-Q4":{"hours":1521,"employees":5,"production":0},"2023-Q3":{"hours":2341,"employees":4,"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":9391,"employees":5,"production":0},"2018":{"hours":4365,"employees":5,"production":0},"2019":{"hours":2069,"employees":5,"production":0},"2020":{"hours":1393,"employees":4,"production":0},"2021":{"hours":1462,"employees":4,"production":0},"2022":{"hours":4486,"employees":5,"production":0},"2023":{"hours":6984,"employees":5,"production":0},"2024":{"hours":7419,"employees":5,"production":0},"2025":{"hours":5875,"employees":4,"production":0},"2026":{"hours":2672,"employees":5,"production":0}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":13,"firstDate":"2002-05-07","lastDate":"2025-05-07","metrics":{"recentRows":2,"actionTaken":13,"maxExposureRatio":1.17,"overExposureLimit":1,"exposureRatioTotal":3.36},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"295668","EVENT_NO":"F01D305","SAMPLE_NO":"000000202502002400","SAMPLE_DATE":"05/07/2025","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.29","EXPOSURE_LIMIT":"0000.67","C_OVER_E":"00.43","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2025-05-07"},{"SOURCE_ROW_NUMBER":"295667","EVENT_NO":"F01D305","SAMPLE_NO":"000000202502002300","SAMPLE_DATE":"05/07/2025","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.23","EXPOSURE_LIMIT":"0000.61","C_OVER_E":"00.38","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2025-05-07"},{"SOURCE_ROW_NUMBER":"222785","EVENT_NO":"6747148","SAMPLE_NO":"000000201803706900","SAMPLE_DATE":"07/11/2018","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.36","EXPOSURE_LIMIT":"0000.67","C_OVER_E":"00.54","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2018-07-11"},{"SOURCE_ROW_NUMBER":"222784","EVENT_NO":"6747148","SAMPLE_NO":"000000201803706800","SAMPLE_DATE":"07/11/2018","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.15","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2018-07-11"},{"SOURCE_ROW_NUMBER":"152156","EVENT_NO":"6631663","SAMPLE_NO":"000000201406271600","SAMPLE_DATE":"08/21/2014","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.17","EXPOSURE_LIMIT":"0000.73","C_OVER_E":"00.23","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2014-08-21"},{"SOURCE_ROW_NUMBER":"119729","EVENT_NO":"1006883","SAMPLE_NO":"000000200904802200","SAMPLE_DATE":"05/13/2009","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.31","EXPOSURE_LIMIT":"0001.20","C_OVER_E":"00.26","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2009-05-13"},{"SOURCE_ROW_NUMBER":"119728","EVENT_NO":"1006883","SAMPLE_NO":"000000200904802100","SAMPLE_DATE":"05/13/2009","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.22","EXPOSURE_LIMIT":"0000.63","C_OVER_E":"00.35","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2009-05-13"},{"SOURCE_ROW_NUMBER":"25028","EVENT_NO":"0968789","SAMPLE_NO":"000000200309888000","SAMPLE_DATE":"12/03/2003","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":"2003-12-03"},{"SOURCE_ROW_NUMBER":"25027","EVENT_NO":"0968789","SAMPLE_NO":"000000200309887900","SAMPLE_DATE":"12/03/2003","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2003-12-03"},{"SOURCE_ROW_NUMBER":"20079","EVENT_NO":"0967959","SAMPLE_NO":"000000200208532500","SAMPLE_DATE":"11/06/2002","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":"2002-11-06"},{"SOURCE_ROW_NUMBER":"20078","EVENT_NO":"0967959","SAMPLE_NO":"000000200208532400","SAMPLE_DATE":"11/06/2002","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-11-06"},{"SOURCE_ROW_NUMBER":"14543","EVENT_NO":"0811377","SAMPLE_NO":"000000200203653500","SAMPLE_DATE":"05/07/2002","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0001.83","EXPOSURE_LIMIT":"0001.57","C_OVER_E":"01.17","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"EXCEEDS THE PEL BUT NOT THE PEL X ERROR FACTOR","sourceDate":"2002-05-07"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":47,"firstDate":"2002-05-07","lastDate":"2020-11-03","metrics":{"ss":7,"amountDue":5173,"contested":0,"amountPaid":5173,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":5173},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1359956","VIOLATION_NO":"8947714","VIOLATION_ISSUE_DT":"11/03/2020","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/03/2020","PROPOSED_PENALTY":"123","AMOUNT_DUE":"123","AMOUNT_PAID":"123","CONTESTED_IND":"N","sourceDate":"2020-11-03"},{"SOURCE_ROW_NUMBER":"1359924","VIOLATION_NO":"9481246","VIOLATION_ISSUE_DT":"05/13/2020","SIG_SUB":"N","PART_SECTION":"56.20003(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/13/2020","PROPOSED_PENALTY":"123","AMOUNT_DUE":"123","AMOUNT_PAID":"123","CONTESTED_IND":"N","sourceDate":"2020-05-13"},{"SOURCE_ROW_NUMBER":"1359923","VIOLATION_NO":"9481245","VIOLATION_ISSUE_DT":"05/13/2020","SIG_SUB":"N","PART_SECTION":"56.16005","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/13/2020","PROPOSED_PENALTY":"123","AMOUNT_DUE":"123","AMOUNT_PAID":"123","CONTESTED_IND":"N","sourceDate":"2020-05-13"},{"SOURCE_ROW_NUMBER":"1359930","VIOLATION_NO":"9385363","VIOLATION_ISSUE_DT":"07/29/2019","SIG_SUB":"N","PART_SECTION":"56.14100(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/29/2019","PROPOSED_PENALTY":"121","AMOUNT_DUE":"121","AMOUNT_PAID":"121","CONTESTED_IND":"N","sourceDate":"2019-07-29"},{"SOURCE_ROW_NUMBER":"1359929","VIOLATION_NO":"9384610","VIOLATION_ISSUE_DT":"07/11/2018","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/11/2018","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2018-07-11"},{"SOURCE_ROW_NUMBER":"1359928","VIOLATION_NO":"9384609","VIOLATION_ISSUE_DT":"07/11/2018","SIG_SUB":"N","PART_SECTION":"56.20003(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/11/2018","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2018-07-11"},{"SOURCE_ROW_NUMBER":"1359927","VIOLATION_NO":"9384608","VIOLATION_ISSUE_DT":"07/11/2018","SIG_SUB":"N","PART_SECTION":"56.12032","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/11/2018","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2018-07-11"},{"SOURCE_ROW_NUMBER":"1359926","VIOLATION_NO":"9384602","VIOLATION_ISSUE_DT":"07/09/2018","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/09/2018","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2018-07-09"},{"SOURCE_ROW_NUMBER":"1359925","VIOLATION_NO":"9384601","VIOLATION_ISSUE_DT":"07/09/2018","SIG_SUB":"N","PART_SECTION":"56.12032","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/11/2018","PROPOSED_PENALTY":"118","AMOUNT_DUE":"118","AMOUNT_PAID":"118","CONTESTED_IND":"N","sourceDate":"2018-07-09"},{"SOURCE_ROW_NUMBER":"1359937","VIOLATION_NO":"8889739","VIOLATION_ISSUE_DT":"08/09/2016","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/10/2016","PROPOSED_PENALTY":"114","AMOUNT_DUE":"114","AMOUNT_PAID":"114","CONTESTED_IND":"N","sourceDate":"2016-08-09"},{"SOURCE_ROW_NUMBER":"1359936","VIOLATION_NO":"8889738","VIOLATION_ISSUE_DT":"08/09/2016","SIG_SUB":"N","PART_SECTION":"56.14132(b)(1)(i)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"08/10/2016","PROPOSED_PENALTY":"200","AMOUNT_DUE":"200","AMOUNT_PAID":"200","CONTESTED_IND":"N","sourceDate":"2016-08-09"},{"SOURCE_ROW_NUMBER":"1359935","VIOLATION_NO":"8889737","VIOLATION_ISSUE_DT":"08/09/2016","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/10/2016","PROPOSED_PENALTY":"114","AMOUNT_DUE":"114","AMOUNT_PAID":"114","CONTESTED_IND":"N","sourceDate":"2016-08-09"}]}],"safety":{"href":"/api/v1/mines/2102936/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/2102936/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":1},{"chapter":"I","heading":"Housekeeping.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003","part":"56","subchapter":"K","subpart":"S","id":"56.20003","citation":"30 CFR 56.20003","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":"Securing gas cylinders.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005","part":"56","subchapter":"K","subpart":"O","id":"56.16005","citation":"30 CFR 56.16005","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":2},{"chapter":"I","heading":"Electrical conductors.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004","part":"56","subchapter":"K","subpart":"K","id":"56.12004","citation":"30 CFR 56.12004","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":3},{"chapter":"I","heading":"Inspection and cover plates.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12032","part":"56","subchapter":"K","subpart":"K","id":"56.12032","citation":"30 CFR 56.12032","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":"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":"2102936","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}