{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-17T06:17:15.228Z","identity":{"mine_id":"0401829","name":"Wheeler Ridge Plant","status":"Abandoned","status_date":"2016-03-23","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"CA","county":"Kern","nearest_town":"Bakersfield","operator_id":"L16645","operator_name":"CalMat Co","controller_id":"0071891","controller_name":"Vulcan Materials Company","district":"M7","office":"San Bernardino CA Field Office","employees":0,"latitude":35.060833,"longitude":-118.975833},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":129},"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":"0401829","name":"Wheeler Ridge Plant"},"operator":{"type":"operator","id":"L16645","name":"CalMat Co"},"controller":{"type":"controller","id":"0071891","name":"Vulcan Materials Company"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01778","name":"Kern Rock Company"},"object":{"type":"mine","id":"0401829","name":"Wheeler Ridge Plant"},"validFrom":"1950-01-01","validTo":"1985-12-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|L01778|1950-01-01|1985-12-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01602","name":"Gertrude  Sill"},"object":{"type":"mine","id":"0401829","name":"Wheeler Ridge Plant"},"validFrom":"1950-01-01","validTo":"1985-12-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|M01602|1950-01-01|1985-12-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01602","name":"Gertrude  Sill"},"object":{"type":"operator","id":"L01778","name":"Kern Rock Company"},"validFrom":"1950-01-01","validTo":"1985-12-19","current":false,"derived":true,"evidenceMineId":"0401829","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|L01778|1950-01-01|M01602|1950-01-01|119599"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00112","name":"Calmat Company"},"object":{"type":"mine","id":"0401829","name":"Wheeler Ridge Plant"},"validFrom":"1985-08-01","validTo":"1999-01-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|M00112|1985-08-01|1999-01-05"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00002","name":"Koppers Company Inc"},"object":{"type":"mine","id":"0401829","name":"Wheeler Ridge Plant"},"validFrom":"1985-12-19","validTo":"1988-11-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|M00002|1985-12-19|1988-11-13"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L08678","name":"Kern Rock Company"},"object":{"type":"mine","id":"0401829","name":"Wheeler Ridge Plant"},"validFrom":"1985-12-20","validTo":"1988-11-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|L08678|1985-12-20|1988-11-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00002","name":"Koppers Company Inc"},"object":{"type":"operator","id":"L08678","name":"Kern Rock Company"},"validFrom":"1985-12-20","validTo":"1988-11-13","current":false,"derived":true,"evidenceMineId":"0401829","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|L08678|1985-12-20|M00002|1985-12-19|100421"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10605","name":"Kern Rock Company"},"object":{"type":"mine","id":"0401829","name":"Wheeler Ridge Plant"},"validFrom":"1988-11-14","validTo":"1997-10-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|L10605|1988-11-14|1997-10-12"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"mine","id":"0401829","name":"Wheeler Ridge Plant"},"validFrom":"1988-11-14","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|M00521|1988-11-14|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"operator","id":"L10605","name":"Kern Rock Company"},"validFrom":"1988-11-14","validTo":"1997-10-12","current":false,"derived":true,"evidenceMineId":"0401829","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|L10605|1988-11-14|M00521|1988-11-14|112444"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L08646","name":"Calmat Of Central California"},"object":{"type":"mine","id":"0401829","name":"Wheeler Ridge Plant"},"validFrom":"1997-10-13","validTo":"1999-01-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|L08646|1997-10-13|1999-01-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00112","name":"Calmat Company"},"object":{"type":"operator","id":"L08646","name":"Calmat Of Central California"},"validFrom":"1997-10-13","validTo":"1999-01-05","current":false,"derived":true,"evidenceMineId":"0401829","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|L08646|1997-10-13|M00112|1985-08-01|104487"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16645","name":"CalMat Co"},"object":{"type":"mine","id":"0401829","name":"Wheeler Ridge Plant"},"validFrom":"1999-01-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|L16645|1999-01-06|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00024","name":"Legacy Vulcan Corp (Form:Vulcan Materials Co)"},"object":{"type":"mine","id":"0401829","name":"Wheeler Ridge Plant"},"validFrom":"1999-01-06","validTo":"2007-11-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|M00024|1999-01-06|2007-11-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00024","name":"Legacy Vulcan Corp (Form:Vulcan Materials Co)"},"object":{"type":"operator","id":"L16645","name":"CalMat Co"},"validFrom":"1999-01-06","validTo":"2007-11-15","current":false,"derived":true,"evidenceMineId":"0401829","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|L16645|1999-01-06|M00024|1999-01-06|102045"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0071891","name":"Vulcan Materials Company"},"object":{"type":"mine","id":"0401829","name":"Wheeler Ridge Plant"},"validFrom":"2007-11-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|0071891|2007-11-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0071891","name":"Vulcan Materials Company"},"object":{"type":"operator","id":"L16645","name":"CalMat Co"},"validFrom":"2007-11-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"0401829","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0401829|L16645|1999-01-06|0071891|2007-11-16|10580"}}],"coverage":{"historyRecords":6,"edgeCount":17,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":2,"firstDate":"2000-01-10","lastDate":"2009-11-19","metrics":{"daysLost":0,"injuries":2,"fatalities":0,"recentRows":0,"restrictedDays":44,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"176813","DOCUMENT_NO":"220093410023","ACCIDENT_DT":"11/19/2009","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck against a moving object","OCCUPATION":"Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"The employee went to the company clinic on 11/30/09 and was placed on restricted duty. While operating a front end loader, the employee allegedly hit a bump that caused the seat to bottom out.","sourceDate":"2009-11-19"},{"SOURCE_ROW_NUMBER":"249928","DOCUMENT_NO":"220000250020","ACCIDENT_DT":"01/10/2000","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","NO_INJURIES":"1","NARRATIVE":"EE WAS HELPING CHANGE A SCREEN WHEN HE FELT A PAIN IN HIS RIGHT KNEE. RIGHT KNEE SPRAIN, WITH MODIFIED DUTY AND A FOLLOW UP APPOINTMENT. MOTRIN AND CELEBREX WAS GIVEN TO EMPLOYEE.","sourceDate":"2000-01-10"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2016-03-23","lastDate":"2016-03-23","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":21,"firstDate":"2001-11-14","lastDate":"2014-12-11","metrics":{"ss":3,"delinquent":18,"recentRows":0,"paidPenalty":2238,"proposedPenalty":2238,"currentAssessment":2238},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2195847","VIOLATION_NO":"8781544","ISSUE_DT":"12/11/2014","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2014-12-11"},{"SOURCE_ROW_NUMBER":"2194717","VIOLATION_NO":"8697671","ISSUE_DT":"12/09/2013","CFR_STANDARD_CD":"56.20011","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-12-09"},{"SOURCE_ROW_NUMBER":"2194266","VIOLATION_NO":"8697961","ISSUE_DT":"05/01/2013","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2013-05-01"},{"SOURCE_ROW_NUMBER":"649393","VIOLATION_NO":"8567693","ISSUE_DT":"05/09/2012","CFR_STANDARD_CD":"56.14100(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-05-09"},{"SOURCE_ROW_NUMBER":"630058","VIOLATION_NO":"8567605","ISSUE_DT":"11/16/2011","CFR_STANDARD_CD":"56.20003(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":"2011-11-16"},{"SOURCE_ROW_NUMBER":"630057","VIOLATION_NO":"8567604","ISSUE_DT":"11/16/2011","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":"2011-11-16"},{"SOURCE_ROW_NUMBER":"630056","VIOLATION_NO":"8567603","ISSUE_DT":"11/16/2011","CFR_STANDARD_CD":"56.20003(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":"2011-11-16"},{"SOURCE_ROW_NUMBER":"630336","VIOLATION_NO":"8607221","ISSUE_DT":"05/10/2011","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":"2011-05-10"},{"SOURCE_ROW_NUMBER":"630237","VIOLATION_NO":"8560862","ISSUE_DT":"10/19/2010","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"108.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-10-19"},{"SOURCE_ROW_NUMBER":"630236","VIOLATION_NO":"8560861","ISSUE_DT":"10/19/2010","CFR_STANDARD_CD":"56.11001","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"540.00","CURRENT_ASSESSMENT_AMT":"540.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-10-19"},{"SOURCE_ROW_NUMBER":"630235","VIOLATION_NO":"8560860","ISSUE_DT":"10/19/2010","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-10-19"},{"SOURCE_ROW_NUMBER":"630234","VIOLATION_NO":"8560859","ISSUE_DT":"10/19/2010","CFR_STANDARD_CD":"56.14200","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-10-19"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":8,"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":1,"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":6,"firstDate":"1950-01-01","lastDate":"1999-01-06","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":4},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":26,"firstDate":"2000-06-27","lastDate":"2016-01-06","metrics":{"inspectors":27,"recentRows":0,"onSiteHours":173.5,"inspectionHours":359,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"163506","EVENT_NO":"6668742","INSPECTION_BEGIN_DT":"01/06/2016","INSPECTION_END_DT":"01/06/2016","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2016-01-06"},{"SOURCE_ROW_NUMBER":"1061388","EVENT_NO":"6595835","INSPECTION_BEGIN_DT":"04/07/2015","INSPECTION_END_DT":"04/07/2015","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13.75","SUM_TOTAL_ON_SITE_HOURS":"7.75","sourceDate":"2015-04-07"},{"SOURCE_ROW_NUMBER":"153581","EVENT_NO":"6595811","INSPECTION_BEGIN_DT":"12/11/2014","INSPECTION_END_DT":"12/11/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19","SUM_TOTAL_ON_SITE_HOURS":"9.75","sourceDate":"2014-12-11"},{"SOURCE_ROW_NUMBER":"405441","EVENT_NO":"6595239","INSPECTION_BEGIN_DT":"12/09/2013","INSPECTION_END_DT":"12/10/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13.25","SUM_TOTAL_ON_SITE_HOURS":"4.75","sourceDate":"2013-12-09"},{"SOURCE_ROW_NUMBER":"852026","EVENT_NO":"6595007","INSPECTION_BEGIN_DT":"05/07/2013","INSPECTION_END_DT":"05/07/2013","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"2.25","sourceDate":"2013-05-07"},{"SOURCE_ROW_NUMBER":"36116","EVENT_NO":"6595006","INSPECTION_BEGIN_DT":"05/01/2013","INSPECTION_END_DT":"05/02/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18","SUM_TOTAL_ON_SITE_HOURS":"11.5","sourceDate":"2013-05-01"},{"SOURCE_ROW_NUMBER":"98244","EVENT_NO":"1160520","INSPECTION_BEGIN_DT":"05/09/2012","INSPECTION_END_DT":"05/10/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"21.5","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2012-05-09"},{"SOURCE_ROW_NUMBER":"505204","EVENT_NO":"1152498","INSPECTION_BEGIN_DT":"11/16/2011","INSPECTION_END_DT":"11/17/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2011-11-16"},{"SOURCE_ROW_NUMBER":"581311","EVENT_NO":"1152556","INSPECTION_BEGIN_DT":"05/10/2011","INSPECTION_END_DT":"05/10/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2011-05-10"},{"SOURCE_ROW_NUMBER":"297752","EVENT_NO":"1152641","INSPECTION_BEGIN_DT":"11/23/2010","INSPECTION_END_DT":"11/23/2010","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.75","SUM_TOTAL_ON_SITE_HOURS":"1.75","sourceDate":"2010-11-23"},{"SOURCE_ROW_NUMBER":"223246","EVENT_NO":"1152528","INSPECTION_BEGIN_DT":"10/19/2010","INSPECTION_END_DT":"10/20/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"32.25","SUM_TOTAL_ON_SITE_HOURS":"10.75","sourceDate":"2010-10-19"},{"SOURCE_ROW_NUMBER":"812888","EVENT_NO":"1152620","INSPECTION_BEGIN_DT":"08/03/2010","INSPECTION_END_DT":"08/03/2010","ACTIVITY_CODE":"E25","ACTIVITY":"Part 50 Audit","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2010-08-03"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":10,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002-Q2":{"hours":325,"employees":1,"production":0},"2002-Q1":{"hours":480,"employees":1,"production":0},"2001-Q4":{"hours":554,"employees":1,"production":0},"2000-Q3":{"hours":1822,"employees":3,"production":0},"2000-Q2":{"hours":973,"employees":3,"production":0},"2000-Q1":{"hours":4228,"employees":8,"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":27,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2007":{"hours":12312,"employees":5,"production":0},"2008":{"hours":6958,"employees":4,"production":0},"2009":{"hours":5428,"employees":2,"production":0},"2010":{"hours":5309,"employees":3,"production":0},"2011":{"hours":6018,"employees":3,"production":0},"2012":{"hours":6573,"employees":3,"production":0},"2013":{"hours":5188,"employees":3,"production":0},"2014":{"hours":8129,"employees":4,"production":0},"2015":{"hours":7443,"employees":4,"production":0},"2016":{"hours":726,"employees":3,"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":"2005-05-03","lastDate":"2014-12-11","metrics":{"recentRows":0,"actionTaken":5,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"195756","EVENT_NO":"6595811","SAMPLE_NO":"000000201410930700","SAMPLE_DATE":"12/11/2014","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":"2014-12-11"},{"SOURCE_ROW_NUMBER":"195755","EVENT_NO":"6595811","SAMPLE_NO":"000000201410930600","SAMPLE_DATE":"12/11/2014","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Truck Driver","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2014-12-11"},{"SOURCE_ROW_NUMBER":"146816","EVENT_NO":"1152619","SAMPLE_NO":"000000201007621500","SAMPLE_DATE":"08/03/2010","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2010-08-03"},{"SOURCE_ROW_NUMBER":"50013","EVENT_NO":"1128011","SAMPLE_NO":"000000200504147900","SAMPLE_DATE":"05/03/2005","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":"2005-05-03"},{"SOURCE_ROW_NUMBER":"50012","EVENT_NO":"1128011","SAMPLE_NO":"000000200504147800","SAMPLE_DATE":"05/03/2005","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Truck Driver","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2005-05-03"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":21,"firstDate":"2001-11-14","lastDate":"2014-12-11","metrics":{"ss":3,"amountDue":2238,"contested":0,"amountPaid":2238,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":2238},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"218682","VIOLATION_NO":"8781544","VIOLATION_ISSUE_DT":"12/11/2014","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/15/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2014-12-11"},{"SOURCE_ROW_NUMBER":"218681","VIOLATION_NO":"8697671","VIOLATION_ISSUE_DT":"12/09/2013","SIG_SUB":"N","PART_SECTION":"56.20011","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"12/10/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2013-12-09"},{"SOURCE_ROW_NUMBER":"218663","VIOLATION_NO":"8697961","VIOLATION_ISSUE_DT":"05/01/2013","SIG_SUB":"Y","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/01/2013","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2013-05-01"},{"SOURCE_ROW_NUMBER":"218664","VIOLATION_NO":"8567693","VIOLATION_ISSUE_DT":"05/09/2012","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/09/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-05-09"},{"SOURCE_ROW_NUMBER":"218680","VIOLATION_NO":"8567605","VIOLATION_ISSUE_DT":"11/16/2011","SIG_SUB":"N","PART_SECTION":"56.20003(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/16/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-11-16"},{"SOURCE_ROW_NUMBER":"218679","VIOLATION_NO":"8567604","VIOLATION_ISSUE_DT":"11/16/2011","SIG_SUB":"N","PART_SECTION":"56.11001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"11/16/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-11-16"},{"SOURCE_ROW_NUMBER":"218678","VIOLATION_NO":"8567603","VIOLATION_ISSUE_DT":"11/16/2011","SIG_SUB":"N","PART_SECTION":"56.20003(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"11/16/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-11-16"},{"SOURCE_ROW_NUMBER":"218665","VIOLATION_NO":"8607221","VIOLATION_ISSUE_DT":"05/10/2011","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"05/10/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-05-10"},{"SOURCE_ROW_NUMBER":"218672","VIOLATION_NO":"8560862","VIOLATION_ISSUE_DT":"10/19/2010","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/19/2010","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2010-10-19"},{"SOURCE_ROW_NUMBER":"218671","VIOLATION_NO":"8560861","VIOLATION_ISSUE_DT":"10/19/2010","SIG_SUB":"Y","PART_SECTION":"56.11001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/23/2010","PROPOSED_PENALTY":"540","AMOUNT_DUE":"540","AMOUNT_PAID":"540","CONTESTED_IND":"N","sourceDate":"2010-10-19"},{"SOURCE_ROW_NUMBER":"218670","VIOLATION_NO":"8560860","VIOLATION_ISSUE_DT":"10/19/2010","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/20/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-10-19"},{"SOURCE_ROW_NUMBER":"218669","VIOLATION_NO":"8560859","VIOLATION_ISSUE_DT":"10/19/2010","SIG_SUB":"N","PART_SECTION":"56.14200","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/19/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-10-19"}]}],"safety":{"href":"/api/v1/mines/0401829/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0401829/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":"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":"Barricades and warning signs.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20011","part":"56","subchapter":"K","subpart":"S","id":"56.20011","citation":"30 CFR 56.20011","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":"Electrical conductors.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004","part":"56","subchapter":"K","subpart":"K","id":"56.12004","citation":"30 CFR 56.12004","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Safety defects; examination, correction and records.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100","part":"56","subchapter":"K","subpart":"M","id":"56.14100","citation":"30 CFR 56.14100","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"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":"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":2},{"chapter":"I","heading":"Moving machine parts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107","part":"56","subchapter":"K","subpart":"M","id":"56.14107","citation":"30 CFR 56.14107","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Warnings prior to starting or moving equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14200","part":"56","subchapter":"K","subpart":"M","id":"56.14200","citation":"30 CFR 56.14200","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":"0401829","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873}}