{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"4703212","name":"Plant #57","status":"Intermittent","status_date":"2008-11-05","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"WI","county":"La Crosse","nearest_town":"Onalaska","operator_id":"L16472","operator_name":"Milestone Materials Div/Mathy Construction Co","controller_id":"M00893","controller_name":"Mathy Construction Company","district":"M4","office":"Duluth MN Field Office","employees":1,"latitude":43.896389,"longitude":-91.225},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":135},"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":"2026-10-17T05:35:58.500035+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":"4703212","name":"Plant #57"},"operator":{"type":"operator","id":"L16472","name":"Milestone Materials Div/Mathy Construction Co"},"controller":{"type":"controller","id":"M00893","name":"Mathy Construction Company"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00893","name":"Mathy Construction Company"},"object":{"type":"mine","id":"4703212","name":"Plant #57"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4703212|M00893|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16472","name":"Milestone Materials Div/Mathy Construction Co"},"object":{"type":"mine","id":"4703212","name":"Plant #57"},"validFrom":"1999-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4703212|L16472|1999-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00893","name":"Mathy Construction Company"},"object":{"type":"operator","id":"L16472","name":"Milestone Materials Div/Mathy Construction Co"},"validFrom":"1999-07-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703212","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4703212|L16472|1999-07-01|M00893|1950-01-01|115779"}}],"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":"2000-03-24","lastDate":"2000-03-24","metrics":{"daysLost":0,"injuries":1,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"68550","DOCUMENT_NO":"220001150029","ACCIDENT_DT":"03/24/2000","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck against a moving object","OCCUPATION":"Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer","NO_INJURIES":"1","NARRATIVE":"WHILE OPERATING FRONT END LOADER STOCKPILING, HIS LOADER TIRE (FRONT) HIT UP ON THE SAND PILE CAUSING HIM TO TWIST IN THE SEAT, WRENCHING HIS BACK.","sourceDate":"2000-03-24"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2008-11-05","lastDate":"2008-11-05","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":16,"firstDate":"2001-06-06","lastDate":"2026-04-21","metrics":{"ss":1,"delinquent":14,"recentRows":2,"paidPenalty":1891,"proposedPenalty":1891,"currentAssessment":1891},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3037246","VIOLATION_NO":"5111809","ISSUE_DT":"04/21/2026","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":"2026-04-21"},{"SOURCE_ROW_NUMBER":"3037245","VIOLATION_NO":"5111808","ISSUE_DT":"04/21/2026","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":"2026-04-21"},{"SOURCE_ROW_NUMBER":"2388671","VIOLATION_NO":"8851797","ISSUE_DT":"06/24/2015","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":"2015-06-24"},{"SOURCE_ROW_NUMBER":"2388670","VIOLATION_NO":"8851796","ISSUE_DT":"06/24/2015","CFR_STANDARD_CD":"56.16006","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2015-06-24"},{"SOURCE_ROW_NUMBER":"2282159","VIOLATION_NO":"8745936","ISSUE_DT":"07/14/2014","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":"2014-07-14"},{"SOURCE_ROW_NUMBER":"2282158","VIOLATION_NO":"8745935","ISSUE_DT":"07/14/2014","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":"2014-07-14"},{"SOURCE_ROW_NUMBER":"2167780","VIOLATION_NO":"8667115","ISSUE_DT":"10/02/2012","CFR_STANDARD_CD":"56.14132(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":"2012-10-02"},{"SOURCE_ROW_NUMBER":"2167779","VIOLATION_NO":"8667114","ISSUE_DT":"10/02/2012","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":"2012-10-02"},{"SOURCE_ROW_NUMBER":"2075395","VIOLATION_NO":"8659661","ISSUE_DT":"05/25/2011","CFR_STANDARD_CD":"46.9(c)(5)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-05-25"},{"SOURCE_ROW_NUMBER":"2075394","VIOLATION_NO":"8659660","ISSUE_DT":"05/25/2011","CFR_STANDARD_CD":"46.9(c)(3)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-05-25"},{"SOURCE_ROW_NUMBER":"2077918","VIOLATION_NO":"6556444","ISSUE_DT":"08/24/2010","CFR_STANDARD_CD":"56.12018","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-08-24"},{"SOURCE_ROW_NUMBER":"2077917","VIOLATION_NO":"6556443","ISSUE_DT":"08/24/2010","CFR_STANDARD_CD":"56.11001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-08-24"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":3,"firstDate":"2012-04-11","lastDate":"2012-04-11","metrics":{"appeals":0,"decisions":3,"recentRows":0,"decisionPenalty":200,"originalPenalty":300},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"342719","VIOLATION_NO":"8659661","DOCKET_NO":"LAKE 2011-936M","DECISION_DT":"04/11/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Michael","JUDGE_LAST_NAME":"Zielinski","sourceDate":"2012-04-11"},{"SOURCE_ROW_NUMBER":"342718","VIOLATION_NO":"8659660","DOCKET_NO":"LAKE 2011-936M","DECISION_DT":"04/11/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Michael","JUDGE_LAST_NAME":"Zielinski","sourceDate":"2012-04-11"},{"SOURCE_ROW_NUMBER":"101021","VIOLATION_NO":"8659662","DOCKET_NO":"LAKE 2011-936M","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":3,"firstDate":"2011-05-25","lastDate":"2011-05-25","metrics":{"decisions":3,"ssChanged":1,"recentRows":0,"decisionPenalty":200,"proposedPenalty":300},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"256490","CITATION_NO":"8659662","CITATION_ISSUE_DT":"05/25/2011","DOCKET_NO":"LAKE 2011-936M","DECISION_DT":"04/11/2012","CFR_STANDARD_CODE":"56.17001","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":".00","sourceDate":"2011-05-25"},{"SOURCE_ROW_NUMBER":"253452","CITATION_NO":"8659661","CITATION_ISSUE_DT":"05/25/2011","DOCKET_NO":"LAKE 2011-936M","DECISION_DT":"04/11/2012","CFR_STANDARD_CODE":"46.9(c)(5)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2011-05-25"},{"SOURCE_ROW_NUMBER":"139731","CITATION_NO":"8659660","CITATION_ISSUE_DT":"05/25/2011","DOCKET_NO":"LAKE 2011-936M","DECISION_DT":"04/11/2012","CFR_STANDARD_CODE":"46.9(c)(3)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2011-05-25"}]},{"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":"1999-07-01","lastDate":"1999-07-01","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":29,"firstDate":"2000-05-17","lastDate":"2026-04-21","metrics":{"inspectors":30,"recentRows":6,"onSiteHours":125,"inspectionHours":272.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"313352","EVENT_NO":"F03C408","INSPECTION_BEGIN_DT":"04/21/2026","INSPECTION_END_DT":"04/22/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.75","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2026-04-21"},{"SOURCE_ROW_NUMBER":"312437","EVENT_NO":"F016D31","INSPECTION_BEGIN_DT":"05/28/2025","INSPECTION_END_DT":"05/28/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.75","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2025-05-28"},{"SOURCE_ROW_NUMBER":"298759","EVENT_NO":"6909271","INSPECTION_BEGIN_DT":"04/09/2024","INSPECTION_END_DT":"04/10/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.75","SUM_TOTAL_ON_SITE_HOURS":"4.75","sourceDate":"2024-04-09"},{"SOURCE_ROW_NUMBER":"625869","EVENT_NO":"6901888","INSPECTION_BEGIN_DT":"05/30/2023","INSPECTION_END_DT":"05/31/2023","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":"2023-05-30"},{"SOURCE_ROW_NUMBER":"425832","EVENT_NO":"6905638","INSPECTION_BEGIN_DT":"08/23/2022","INSPECTION_END_DT":"08/23/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.25","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2022-08-23"},{"SOURCE_ROW_NUMBER":"268164","EVENT_NO":"6840885","INSPECTION_BEGIN_DT":"09/28/2021","INSPECTION_END_DT":"09/28/2021","ACTIVITY_CODE":"E25","ACTIVITY":"Part 50 Audit","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2021-09-28"},{"SOURCE_ROW_NUMBER":"478231","EVENT_NO":"6901122","INSPECTION_BEGIN_DT":"10/05/2020","INSPECTION_END_DT":"10/06/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2020-10-05"},{"SOURCE_ROW_NUMBER":"279402","EVENT_NO":"6837768","INSPECTION_BEGIN_DT":"07/14/2020","INSPECTION_END_DT":"07/14/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.25","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2020-07-14"},{"SOURCE_ROW_NUMBER":"734413","EVENT_NO":"6834983","INSPECTION_BEGIN_DT":"06/02/2020","INSPECTION_END_DT":"06/03/2020","ACTIVITY_CODE":"E25","ACTIVITY":"Part 50 Audit","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2020-06-02"},{"SOURCE_ROW_NUMBER":"1499","EVENT_NO":"6750837","INSPECTION_BEGIN_DT":"06/26/2019","INSPECTION_END_DT":"06/26/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2019-06-26"},{"SOURCE_ROW_NUMBER":"863426","EVENT_NO":"6750207","INSPECTION_BEGIN_DT":"06/27/2018","INSPECTION_END_DT":"06/27/2018","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"2.75","sourceDate":"2018-06-27"},{"SOURCE_ROW_NUMBER":"131038","EVENT_NO":"6743915","INSPECTION_BEGIN_DT":"08/29/2017","INSPECTION_END_DT":"08/30/2017","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20.5","SUM_TOTAL_ON_SITE_HOURS":"11.25","sourceDate":"2017-08-29"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":16,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002-Q4":{"hours":263,"employees":1,"production":0},"2002-Q3":{"hours":622,"employees":1,"production":0},"2002-Q2":{"hours":335,"employees":1,"production":0},"2002-Q1":{"hours":1,"employees":1,"production":0},"2001-Q4":{"hours":852,"employees":1,"production":0},"2001-Q3":{"hours":200,"employees":1,"production":0},"2001-Q2":{"hours":200,"employees":1,"production":0},"2001-Q1":{"hours":19,"employees":1,"production":0},"2000-Q4":{"hours":306,"employees":1,"production":0},"2000-Q3":{"hours":1690,"employees":4,"production":0},"2000-Q2":{"hours":1068,"employees":2,"production":0},"2000-Q1":{"hours":467,"employees":2,"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":43,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":3596,"employees":3,"production":0},"2018":{"hours":4804,"employees":3,"production":0},"2019":{"hours":4494,"employees":2,"production":0},"2020":{"hours":4504,"employees":3,"production":0},"2021":{"hours":4732,"employees":2,"production":0},"2022":{"hours":4433,"employees":2,"production":0},"2023":{"hours":4851,"employees":3,"production":0},"2024":{"hours":4744,"employees":2,"production":0},"2025":{"hours":4272,"employees":2,"production":0},"2026":{"hours":1756,"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":"2001-06-06","lastDate":"2026-04-22","metrics":{"recentRows":1,"actionTaken":5,"maxExposureRatio":0.24,"overExposureLimit":0,"exposureRatioTotal":0.24},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"311391","EVENT_NO":"F03C408","SAMPLE_NO":"000000202601713900","SAMPLE_DATE":"04/22/2026","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":"2026-04-22"},{"SOURCE_ROW_NUMBER":"245503","EVENT_NO":"6901122","SAMPLE_NO":"000000202004014600","SAMPLE_DATE":"10/06/2020","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":"2020-10-06"},{"SOURCE_ROW_NUMBER":"210957","EVENT_NO":"6743915","SAMPLE_NO":"000000201704984000","SAMPLE_DATE":"08/30/2017","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":"2017-08-30"},{"SOURCE_ROW_NUMBER":"132502","EVENT_NO":"6518484","SAMPLE_NO":"000000201105126600","SAMPLE_DATE":"05/25/2011","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":"2011-05-25"},{"SOURCE_ROW_NUMBER":"3250","EVENT_NO":"0813116","SAMPLE_NO":"000000200102093400","SAMPLE_DATE":"06/06/2001","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.23","EXPOSURE_LIMIT":"0000.95","C_OVER_E":"00.24","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2001-06-06"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":16,"firstDate":"2001-06-06","lastDate":"2026-04-21","metrics":{"ss":1,"amountDue":1891,"contested":0,"amountPaid":1891,"recentRows":2,"section104d":0,"unterminated":0,"proposedPenalty":1891},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3023528","VIOLATION_NO":"5111809","VIOLATION_ISSUE_DT":"04/21/2026","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/22/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-04-21"},{"SOURCE_ROW_NUMBER":"3023527","VIOLATION_NO":"5111808","VIOLATION_ISSUE_DT":"04/21/2026","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/22/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-04-21"},{"SOURCE_ROW_NUMBER":"3023534","VIOLATION_NO":"8851797","VIOLATION_ISSUE_DT":"06/24/2015","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/25/2015","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2015-06-24"},{"SOURCE_ROW_NUMBER":"3023533","VIOLATION_NO":"8851796","VIOLATION_ISSUE_DT":"06/24/2015","SIG_SUB":"N","PART_SECTION":"56.16006","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/24/2015","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2015-06-24"},{"SOURCE_ROW_NUMBER":"3023536","VIOLATION_NO":"8745936","VIOLATION_ISSUE_DT":"07/14/2014","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/14/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2014-07-14"},{"SOURCE_ROW_NUMBER":"3023535","VIOLATION_NO":"8745935","VIOLATION_ISSUE_DT":"07/14/2014","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"07/14/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2014-07-14"},{"SOURCE_ROW_NUMBER":"3023542","VIOLATION_NO":"8667115","VIOLATION_ISSUE_DT":"10/02/2012","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/13/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-02"},{"SOURCE_ROW_NUMBER":"3023541","VIOLATION_NO":"8667114","VIOLATION_ISSUE_DT":"10/02/2012","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/02/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-02"},{"SOURCE_ROW_NUMBER":"3023530","VIOLATION_NO":"8659661","VIOLATION_ISSUE_DT":"05/25/2011","SIG_SUB":"N","PART_SECTION":"46.9(c)(5)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"05/25/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-05-25"},{"SOURCE_ROW_NUMBER":"3023529","VIOLATION_NO":"8659660","VIOLATION_ISSUE_DT":"05/25/2011","SIG_SUB":"N","PART_SECTION":"46.9(c)(3)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"05/25/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-05-25"},{"SOURCE_ROW_NUMBER":"3023540","VIOLATION_NO":"6556444","VIOLATION_ISSUE_DT":"08/24/2010","SIG_SUB":"N","PART_SECTION":"56.12018","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/24/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-08-24"},{"SOURCE_ROW_NUMBER":"3023539","VIOLATION_NO":"6556443","VIOLATION_ISSUE_DT":"08/24/2010","SIG_SUB":"N","PART_SECTION":"56.11001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/24/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-08-24"}]}],"safety":{"href":"/api/v1/mines/4703212/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4703212/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":4},{"chapter":"I","heading":"Moving machine parts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107","part":"56","subchapter":"K","subpart":"M","id":"56.14107","citation":"30 CFR 56.14107","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Protection of gas cylinder valves.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16006","part":"56","subchapter":"K","subpart":"O","id":"56.16006","citation":"30 CFR 56.16006","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":"Records of training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9","part":"46","subchapter":"H","subpart":"","id":"46.9","citation":"30 CFR 46.9","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 46—TRAINING AND RETRAINING OF MINERS ENGAGED IN SHELL DREDGING OR EMPLOYED AT SAND, GRAVEL, SURFACE STONE, SURFACE CLAY, COLLOIDAL PHOSPHATE, OR SURFACE LIMESTONE MINES.","subpartHeading":"","text":null,"occurrenceCount":2},{"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":"Safe access.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001","part":"56","subchapter":"K","subpart":"J","id":"56.11001","citation":"30 CFR 56.11001","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4703212","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}