{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4703194","name":"Plant #55","status":"Intermittent","status_date":"2008-11-03","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"MN","county":"Jackson","nearest_town":"Zumbro Fall","operator_id":"L16472","operator_name":"Milestone Materials Div/Mathy Construction","controller_id":"M00893","controller_name":"Mathy Construction Company","district":"M4","office":"Fort Dodge IA Field Office","employees":1,"latitude":43.896389,"longitude":-91.225},"coverage":{"contributingSources":14,"registeredSources":20,"sourceRows":497},"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":"4703194","name":"Plant #55"},"operator":{"type":"operator","id":"L16472","name":"Milestone Materials Div/Mathy Construction"},"controller":{"type":"controller","id":"M00893","name":"Mathy Construction Company"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00893","name":"Mathy Construction Company"},"object":{"type":"mine","id":"4703194","name":"Plant #55"},"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":"4703194|M00893|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16472","name":"Milestone Materials Div/Mathy Construction"},"object":{"type":"mine","id":"4703194","name":"Plant #55"},"validFrom":"1999-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703194|L16472|1999-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00893","name":"Mathy Construction Company"},"object":{"type":"operator","id":"L16472","name":"Milestone Materials Div/Mathy Construction"},"validFrom":"1999-04-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703194","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703194|L16472|1999-04-01|M00893|1950-01-01|115739"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":1,"firstDate":"2015-04-21","lastDate":"2015-04-21","metrics":{"daysLost":14,"injuries":1,"fatalities":0,"recentRows":0,"restrictedDays":14,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"132967","DOCUMENT_NO":"220151730038","ACCIDENT_DT":"04/21/2015","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator","NO_INJURIES":"1","DAYS_LOST":"14","NARRATIVE":"Climbing rear steps of loader to add antifreeze to radiator.  Twisted right knee while climbing steps.  Operator felt that he only had a minor strain.","sourceDate":"2015-04-21"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2008-11-03","lastDate":"2008-11-03","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":12,"firstDate":"2002-08-14","lastDate":"2025-07-24","metrics":{"ss":0,"delinquent":12,"recentRows":9,"paidPenalty":1486,"proposedPenalty":1486,"currentAssessment":1486},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3012736","VIOLATION_NO":"5113611","ISSUE_DT":"07/24/2025","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-07-24"},{"SOURCE_ROW_NUMBER":"3012735","VIOLATION_NO":"5113610","ISSUE_DT":"07/24/2025","CFR_STANDARD_CD":"56.9301","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-07-24"},{"SOURCE_ROW_NUMBER":"2705180","VIOLATION_NO":"9628498","ISSUE_DT":"03/08/2023","CFR_STANDARD_CD":"56.14207","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-03-08"},{"SOURCE_ROW_NUMBER":"2705179","VIOLATION_NO":"9628497","ISSUE_DT":"03/08/2023","CFR_STANDARD_CD":"56.9300(d)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-03-08"},{"SOURCE_ROW_NUMBER":"2705178","VIOLATION_NO":"9628496","ISSUE_DT":"03/08/2023","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-03-08"},{"SOURCE_ROW_NUMBER":"2692366","VIOLATION_NO":"9488962","ISSUE_DT":"10/06/2021","CFR_STANDARD_CD":"56.4101","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-10-06"},{"SOURCE_ROW_NUMBER":"2692365","VIOLATION_NO":"9488961","ISSUE_DT":"10/06/2021","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-10-06"},{"SOURCE_ROW_NUMBER":"2597025","VIOLATION_NO":"9488493","ISSUE_DT":"07/20/2021","CFR_STANDARD_CD":"56.11002","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-07-20"},{"SOURCE_ROW_NUMBER":"2597024","VIOLATION_NO":"9488491","ISSUE_DT":"07/20/2021","CFR_STANDARD_CD":"56.12018","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-07-20"},{"SOURCE_ROW_NUMBER":"2281330","VIOLATION_NO":"8745648","ISSUE_DT":"06/16/2014","CFR_STANDARD_CD":"56.11003","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2014-06-16"},{"SOURCE_ROW_NUMBER":"2168555","VIOLATION_NO":"8668603","ISSUE_DT":"06/26/2012","CFR_STANDARD_CD":"56.11012","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-06-26"},{"SOURCE_ROW_NUMBER":"149423","VIOLATION_NO":"4560542","ISSUE_DT":"08/14/2002","CFR_STANDARD_CD":"56.4201(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"55.00","CURRENT_ASSESSMENT_AMT":"55.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2002-08-14"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":4,"firstDate":"2012-04-11","lastDate":"2022-02-10","metrics":{"appeals":0,"decisions":4,"recentRows":3,"decisionPenalty":250,"originalPenalty":475},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"430358","VIOLATION_NO":"9488493","DOCKET_NO":"LAKE 2022-0006","DECISION_DT":"02/10/2022","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"125.00","DECISION_PENALTY_AMT":"125.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2022-02-10"},{"SOURCE_ROW_NUMBER":"428866","VIOLATION_NO":"9488492","DOCKET_NO":"LAKE 2022-0006","DECISION_DT":"02/10/2022","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"125.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2022-02-10"},{"SOURCE_ROW_NUMBER":"148829","VIOLATION_NO":"9488491","DOCKET_NO":"LAKE 2022-0006","DECISION_DT":"02/10/2022","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"125.00","DECISION_PENALTY_AMT":"125.00","JUDGE_FIRST_NAME":"Alan","JUDGE_LAST_NAME":"Paez","sourceDate":"2022-02-10"},{"SOURCE_ROW_NUMBER":"310410","VIOLATION_NO":"8659711","DOCKET_NO":"LAKE 2012-50M","DECISION_DT":"04/11/2012","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Michael","JUDGE_LAST_NAME":"Zielinski","sourceDate":"2012-04-11"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":4,"firstDate":"2011-07-19","lastDate":"2021-07-20","metrics":{"decisions":4,"ssChanged":2,"recentRows":3,"decisionPenalty":250,"proposedPenalty":475},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"336189","CITATION_NO":"9488491","CITATION_ISSUE_DT":"07/20/2021","DOCKET_NO":"LAKE 2022-0006","DECISION_DT":"02/10/2022","CFR_STANDARD_CODE":"56.12018","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"125.00","DECISION_PENALTY_AMT":"125.00","sourceDate":"2021-07-20"},{"SOURCE_ROW_NUMBER":"272052","CITATION_NO":"9488492","CITATION_ISSUE_DT":"07/20/2021","DOCKET_NO":"LAKE 2022-0006","DECISION_DT":"02/10/2022","CFR_STANDARD_CODE":"56.12006","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"125.00","DECISION_PENALTY_AMT":".00","sourceDate":"2021-07-20"},{"SOURCE_ROW_NUMBER":"49133","CITATION_NO":"9488493","CITATION_ISSUE_DT":"07/20/2021","DOCKET_NO":"LAKE 2022-0006","DECISION_DT":"02/10/2022","CFR_STANDARD_CODE":"56.11002","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"125.00","DECISION_PENALTY_AMT":"125.00","sourceDate":"2021-07-20"},{"SOURCE_ROW_NUMBER":"420512","CITATION_NO":"8659711","CITATION_ISSUE_DT":"07/19/2011","DOCKET_NO":"LAKE 2012-50M","DECISION_DT":"04/11/2012","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":".00","sourceDate":"2011-07-19"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":176,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-yearly","name":"Contractor Employment and Production — Yearly","domains":["contractors","production","safety"],"products":["long-run contractor trend","annual denominator reconciliation"],"rowCount":27,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":1,"firstDate":"1999-04-01","lastDate":"1999-04-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":30,"firstDate":"2002-08-14","lastDate":"2026-04-23","metrics":{"inspectors":31,"recentRows":7,"onSiteHours":119.25,"inspectionHours":254.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1066803","EVENT_NO":"F03C40A","INSPECTION_BEGIN_DT":"04/23/2026","INSPECTION_END_DT":"04/23/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.25","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2026-04-23"},{"SOURCE_ROW_NUMBER":"351587","EVENT_NO":"F034A63","INSPECTION_BEGIN_DT":"11/18/2025","INSPECTION_END_DT":"11/18/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.25","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2025-11-18"},{"SOURCE_ROW_NUMBER":"282949","EVENT_NO":"F029649","INSPECTION_BEGIN_DT":"07/24/2025","INSPECTION_END_DT":"07/24/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.75","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2025-07-24"},{"SOURCE_ROW_NUMBER":"450605","EVENT_NO":"6909294","INSPECTION_BEGIN_DT":"07/29/2024","INSPECTION_END_DT":"07/30/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.25","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2024-07-29"},{"SOURCE_ROW_NUMBER":"21521","EVENT_NO":"6910152","INSPECTION_BEGIN_DT":"03/08/2023","INSPECTION_END_DT":"03/09/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.75","SUM_TOTAL_ON_SITE_HOURS":"5.25","sourceDate":"2023-03-08"},{"SOURCE_ROW_NUMBER":"884429","EVENT_NO":"6903524","INSPECTION_BEGIN_DT":"10/06/2021","INSPECTION_END_DT":"10/07/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.5","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2021-10-06"},{"SOURCE_ROW_NUMBER":"372234","EVENT_NO":"6838361","INSPECTION_BEGIN_DT":"07/20/2021","INSPECTION_END_DT":"07/21/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16.25","SUM_TOTAL_ON_SITE_HOURS":"13.25","sourceDate":"2021-07-20"},{"SOURCE_ROW_NUMBER":"661156","EVENT_NO":"6832596","INSPECTION_BEGIN_DT":"07/01/2020","INSPECTION_END_DT":"07/01/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.75","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2020-07-01"},{"SOURCE_ROW_NUMBER":"645831","EVENT_NO":"6832442","INSPECTION_BEGIN_DT":"06/27/2019","INSPECTION_END_DT":"06/27/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2019-06-27"},{"SOURCE_ROW_NUMBER":"937302","EVENT_NO":"6745833","INSPECTION_BEGIN_DT":"09/04/2018","INSPECTION_END_DT":"09/04/2018","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.25","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2018-09-04"},{"SOURCE_ROW_NUMBER":"561006","EVENT_NO":"6738172","INSPECTION_BEGIN_DT":"08/02/2017","INSPECTION_END_DT":"08/02/2017","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2017-08-02"},{"SOURCE_ROW_NUMBER":"772846","EVENT_NO":"6741711","INSPECTION_BEGIN_DT":"09/21/2016","INSPECTION_END_DT":"09/22/2016","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.5","SUM_TOTAL_ON_SITE_HOURS":"3.75","sourceDate":"2016-09-21"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":175,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":1157,"employees":2,"production":0},"2026-Q1":{"hours":1,"employees":1,"production":0},"2025-Q4":{"hours":539,"employees":1,"production":0},"2025-Q3":{"hours":1151,"employees":2,"production":0},"2025-Q2":{"hours":1490,"employees":2,"production":0},"2025-Q1":{"hours":1,"employees":1,"production":0},"2024-Q4":{"hours":219,"employees":1,"production":0},"2024-Q3":{"hours":984,"employees":1,"production":0},"2024-Q2":{"hours":581,"employees":1,"production":0},"2024-Q1":{"hours":1,"employees":1,"production":0},"2023-Q4":{"hours":67,"employees":1,"production":0},"2023-Q3":{"hours":773,"employees":1,"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":49,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":2692,"employees":3,"production":0},"2018":{"hours":951,"employees":2,"production":0},"2019":{"hours":2414,"employees":3,"production":0},"2020":{"hours":1480,"employees":2,"production":0},"2021":{"hours":2959,"employees":2,"production":0},"2022":{"hours":2160,"employees":2,"production":0},"2023":{"hours":1974,"employees":1,"production":0},"2024":{"hours":1785,"employees":2,"production":0},"2025":{"hours":3181,"employees":3,"production":0},"2026":{"hours":1158,"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":4,"firstDate":"2012-06-27","lastDate":"2026-04-23","metrics":{"recentRows":3,"actionTaken":4,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"311476","EVENT_NO":"F03C40A","SAMPLE_NO":"000000202601714300","SAMPLE_DATE":"04/23/2026","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Pump, Slurry Mix Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2026-04-23"},{"SOURCE_ROW_NUMBER":"299514","EVENT_NO":"F029649","SAMPLE_NO":"000000202503049800","SAMPLE_DATE":"07/24/2025","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":"2025-07-24"},{"SOURCE_ROW_NUMBER":"253028","EVENT_NO":"6838361","SAMPLE_NO":"000000202103039700","SAMPLE_DATE":"07/21/2021","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":"2021-07-21"},{"SOURCE_ROW_NUMBER":"170798","EVENT_NO":"6576348","SAMPLE_NO":"000000201205618100","SAMPLE_DATE":"06/27/2012","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":"2012-06-27"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":12,"firstDate":"2002-08-14","lastDate":"2025-07-24","metrics":{"ss":0,"amountDue":1486,"contested":0,"amountPaid":1486,"recentRows":9,"section104d":0,"unterminated":0,"proposedPenalty":1486},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3021932","VIOLATION_NO":"5113611","VIOLATION_ISSUE_DT":"07/24/2025","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/24/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-07-24"},{"SOURCE_ROW_NUMBER":"3021931","VIOLATION_NO":"5113610","VIOLATION_ISSUE_DT":"07/24/2025","SIG_SUB":"N","PART_SECTION":"56.9301","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/24/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-07-24"},{"SOURCE_ROW_NUMBER":"3021926","VIOLATION_NO":"9628498","VIOLATION_ISSUE_DT":"03/08/2023","SIG_SUB":"N","PART_SECTION":"56.14207","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/08/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-03-08"},{"SOURCE_ROW_NUMBER":"3021925","VIOLATION_NO":"9628497","VIOLATION_ISSUE_DT":"03/08/2023","SIG_SUB":"N","PART_SECTION":"56.9300(d)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/08/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-03-08"},{"SOURCE_ROW_NUMBER":"3021924","VIOLATION_NO":"9628496","VIOLATION_ISSUE_DT":"03/08/2023","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/09/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-03-08"},{"SOURCE_ROW_NUMBER":"3021935","VIOLATION_NO":"9488962","VIOLATION_ISSUE_DT":"10/06/2021","SIG_SUB":"N","PART_SECTION":"56.4101","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/07/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-10-06"},{"SOURCE_ROW_NUMBER":"3021934","VIOLATION_NO":"9488961","VIOLATION_ISSUE_DT":"10/06/2021","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/07/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-10-06"},{"SOURCE_ROW_NUMBER":"3021930","VIOLATION_NO":"9488493","VIOLATION_ISSUE_DT":"07/20/2021","SIG_SUB":"N","PART_SECTION":"56.11002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"07/21/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-07-20"},{"SOURCE_ROW_NUMBER":"3021929","VIOLATION_NO":"9488491","VIOLATION_ISSUE_DT":"07/20/2021","SIG_SUB":"N","PART_SECTION":"56.12018","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/21/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-07-20"},{"SOURCE_ROW_NUMBER":"3021927","VIOLATION_NO":"8745648","VIOLATION_ISSUE_DT":"06/16/2014","SIG_SUB":"N","PART_SECTION":"56.11003","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"06/16/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2014-06-16"},{"SOURCE_ROW_NUMBER":"3021928","VIOLATION_NO":"8668603","VIOLATION_ISSUE_DT":"06/26/2012","SIG_SUB":"N","PART_SECTION":"56.11012","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/27/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-06-26"},{"SOURCE_ROW_NUMBER":"3021933","VIOLATION_NO":"4560542","VIOLATION_ISSUE_DT":"08/14/2002","SIG_SUB":"N","PART_SECTION":"56.4201(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/28/2003","PROPOSED_PENALTY":"55","AMOUNT_DUE":"55","AMOUNT_PAID":"55","CONTESTED_IND":"N","sourceDate":"2002-08-14"}]}],"safety":{"href":"/api/v1/mines/4703194/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4703194/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":1},{"chapter":"I","heading":"Dump site restraints.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9301","part":"56","subchapter":"K","subpart":"H","id":"56.9301","citation":"30 CFR 56.9301","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":"Parking procedures for unattended equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207","part":"56","subchapter":"K","subpart":"M","id":"56.14207","citation":"30 CFR 56.14207","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":"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":"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},{"chapter":"I","heading":"Warning signs.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101","part":"56","subchapter":"K","subpart":"C","id":"56.4101","citation":"30 CFR 56.4101","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":"Testing grounding systems.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028","part":"56","subchapter":"K","subpart":"K","id":"56.12028","citation":"30 CFR 56.12028","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":"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":"Identification of power switches.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018","part":"56","subchapter":"K","subpart":"K","id":"56.12018","citation":"30 CFR 56.12018","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":"Construction and maintenance of ladders.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11003","part":"56","subchapter":"K","subpart":"J","id":"56.11003","citation":"30 CFR 56.11003","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":"Protection for openings around travelways.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11012","part":"56","subchapter":"K","subpart":"J","id":"56.11012","citation":"30 CFR 56.11012","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":"Inspection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201","part":"56","subchapter":"K","subpart":"C","id":"56.4201","citation":"30 CFR 56.4201","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":"4703194","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}