{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1302176","name":"PWP #4","status":"Abandoned","status_date":"2016-05-16","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"IA","county":"Polk","nearest_town":"Des Moines","operator_id":"0085824","operator_name":"Hallett Materials","controller_id":"M06183","controller_name":"CRH PLC","district":"M4","office":"Duluth District","employees":0,"latitude":41.597222,"longitude":-93.865278},"coverage":{"contributingSources":14,"registeredSources":20,"sourceRows":491},"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":"1302176","name":"PWP #4"},"operator":{"type":"operator","id":"0085824","name":"Hallett Materials"},"controller":{"type":"controller","id":"M06183","name":"CRH PLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06971","name":"Mid America Materials Company"},"object":{"type":"mine","id":"1302176","name":"PWP #4"},"validFrom":"1986-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302176|M06971|1986-09-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09703","name":"Hallett Materials"},"object":{"type":"mine","id":"1302176","name":"PWP #4"},"validFrom":"1990-04-01","validTo":"1999-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302176|L09703|1990-04-01|1999-03-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06971","name":"Mid America Materials Company"},"object":{"type":"operator","id":"L09703","name":"Hallett Materials"},"validFrom":"1990-04-01","validTo":"1999-03-31","current":false,"derived":true,"evidenceMineId":"1302176","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302176|L09703|1990-04-01|M06971|1986-09-01|139740"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16568","name":"Hallett Materials Inc"},"object":{"type":"mine","id":"1302176","name":"PWP #4"},"validFrom":"1999-04-01","validTo":"2008-01-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302176|L16568|1999-04-01|2008-01-02"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12677","name":"Rasmussen Group Inc"},"object":{"type":"mine","id":"1302176","name":"PWP #4"},"validFrom":"1999-04-01","validTo":"2001-08-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302176|M12677|1999-04-01|2001-08-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12677","name":"Rasmussen Group Inc"},"object":{"type":"operator","id":"L16568","name":"Hallett Materials Inc"},"validFrom":"1999-04-01","validTo":"2001-08-10","current":false,"derived":true,"evidenceMineId":"1302176","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302176|L16568|1999-04-01|M12677|1999-04-01|154302"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"1302176","name":"PWP #4"},"validFrom":"2001-08-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302176|M06183|2001-08-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L16568","name":"Hallett Materials Inc"},"validFrom":"2001-08-11","validTo":"2008-01-02","current":false,"derived":true,"evidenceMineId":"1302176","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302176|L16568|1999-04-01|M06183|2001-08-11|136920"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0085824","name":"Hallett Materials"},"object":{"type":"mine","id":"1302176","name":"PWP #4"},"validFrom":"2008-01-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302176|0085824|2008-01-03|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"1302176","name":"PWP #4"},"validFrom":"2008-01-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302176|M06183|2008-01-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"0085824","name":"Hallett Materials"},"validFrom":"2008-01-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"1302176","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1302176|0085824|2008-01-03|M06183|2008-01-03|137448"}}],"coverage":{"historyRecords":4,"edgeCount":11,"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":5,"firstDate":"2000-04-17","lastDate":"2015-06-17","metrics":{"daysLost":0,"injuries":5,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1127","DOCUMENT_NO":"220151700031","ACCIDENT_DT":"06/17/2015","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Weighman, Scale person","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was going to get in the loader started up the stairs forgot to get ink pen turned around and let go of safety gate, bolt on handle hit his left thumb cutting his thumb, required six stitches","sourceDate":"2015-06-17"},{"SOURCE_ROW_NUMBER":"203216","DOCUMENT_NO":"220122000035","ACCIDENT_DT":"07/18/2012","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Using expanded metal to make the guard the employee was using his knee to hold the metal in place so he could mark the spot where the self tapping screw was going to go. While marking the spot on the guard the expanded metal slipped off his knee and sliced his left index finger.","sourceDate":"2012-07-18"},{"SOURCE_ROW_NUMBER":"125547","DOCUMENT_NO":"220051600022","ACCIDENT_DT":"06/03/2005","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Caught in, under or between NEC","OCCUPATION":"Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was folding a stacker when the pry bar slipped and crushed his thumb between the conveyer frame.","sourceDate":"2005-06-03"},{"SOURCE_ROW_NUMBER":"134323","DOCUMENT_NO":"220012410019","ACCIDENT_DT":"08/20/2001","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"POWERED HAULAGE","ACCIDENT_TYPE":"Struck by falling object","OCCUPATION":"Mine manager, Mine foreman, Mine owner","NO_INJURIES":"1","NARRATIVE":"WHILE MOVING ROCK AROUND (ROUGHLY 12\" DIAMETER) WITH SKID LOADER, ONE ROCK ROLLED BACK INTO CAB STRIKING LEFT LEG CAUSING LACERATION TO UPPER SHIN ON LEFT REQUIRING STITCHES.","sourceDate":"2001-08-20"},{"SOURCE_ROW_NUMBER":"173172","DOCUMENT_NO":"220001310030","ACCIDENT_DT":"04/17/2000","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Struck against a moving object","OCCUPATION":"Miner, NEC","NO_INJURIES":"1","NARRATIVE":"REPAIRING AN AIR BRAKE LINE, WHILE CUTTING LINE WITH KNIFE, EMPLOYEE SLIPPED AND CUT LEFT THUMB, REQUIRING SIX STITCHES.","sourceDate":"2000-04-17"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2016-05-16","lastDate":"2016-05-16","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":32,"firstDate":"2000-07-18","lastDate":"2014-11-05","metrics":{"ss":4,"delinquent":31,"recentRows":0,"paidPenalty":4100,"proposedPenalty":4100,"currentAssessment":4100},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2281793","VIOLATION_NO":"8746826","ISSUE_DT":"11/05/2014","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":"2014-11-05"},{"SOURCE_ROW_NUMBER":"2281792","VIOLATION_NO":"8746825","ISSUE_DT":"11/05/2014","CFR_STANDARD_CD":"56.16005","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2014-11-05"},{"SOURCE_ROW_NUMBER":"2281791","VIOLATION_NO":"8746824","ISSUE_DT":"11/05/2014","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":"2014-11-05"},{"SOURCE_ROW_NUMBER":"2281790","VIOLATION_NO":"8746823","ISSUE_DT":"11/05/2014","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":"2014-11-05"},{"SOURCE_ROW_NUMBER":"2168437","VIOLATION_NO":"8668291","ISSUE_DT":"10/17/2012","CFR_STANDARD_CD":"56.11002","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-10-17"},{"SOURCE_ROW_NUMBER":"2163401","VIOLATION_NO":"8659949","ISSUE_DT":"11/02/2011","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":"2011-11-02"},{"SOURCE_ROW_NUMBER":"2163400","VIOLATION_NO":"8659948","ISSUE_DT":"11/02/2011","CFR_STANDARD_CD":"56.12008","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"2163399","VIOLATION_NO":"8659947","ISSUE_DT":"11/02/2011","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"687.00","CURRENT_ASSESSMENT_AMT":"687.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"2075200","VIOLATION_NO":"6551130","ISSUE_DT":"11/02/2010","CFR_STANDARD_CD":"56.11001","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"162.00","CURRENT_ASSESSMENT_AMT":"162.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-11-02"},{"SOURCE_ROW_NUMBER":"2075199","VIOLATION_NO":"6551129","ISSUE_DT":"11/02/2010","CFR_STANDARD_CD":"56.17001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-11-02"},{"SOURCE_ROW_NUMBER":"2075198","VIOLATION_NO":"6551128","ISSUE_DT":"11/01/2010","CFR_STANDARD_CD":"46.9(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":"2010-11-01"},{"SOURCE_ROW_NUMBER":"2075197","VIOLATION_NO":"6551127","ISSUE_DT":"11/01/2010","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":"2010-11-01"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":1,"firstDate":"2012-11-09","lastDate":"2012-11-09","metrics":{"appeals":0,"decisions":1,"recentRows":0,"decisionPenalty":687,"originalPenalty":687},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"81407","VIOLATION_NO":"8659947","DOCKET_NO":"CENT 2012-244M","DECISION_DT":"11/09/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"687.00","DECISION_PENALTY_AMT":"687.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2012-11-09"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":1,"firstDate":"2011-11-02","lastDate":"2011-11-02","metrics":{"decisions":1,"ssChanged":0,"recentRows":0,"decisionPenalty":687,"proposedPenalty":687},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"82523","CITATION_NO":"8659947","CITATION_ISSUE_DT":"11/02/2011","DOCKET_NO":"CENT 2012-244M","DECISION_DT":"11/09/2012","CFR_STANDARD_CODE":"56.14132(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"687.00","DECISION_PENALTY_AMT":"687.00","sourceDate":"2011-11-02"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":163,"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":48,"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":4,"firstDate":"1990-04-01","lastDate":"2008-01-03","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":3},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":31,"firstDate":"2000-07-18","lastDate":"2014-11-05","metrics":{"inspectors":34,"recentRows":0,"onSiteHours":173.25,"inspectionHours":274.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1089352","EVENT_NO":"6639668","INSPECTION_BEGIN_DT":"11/05/2014","INSPECTION_END_DT":"11/06/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"15.75","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2014-11-05"},{"SOURCE_ROW_NUMBER":"439753","EVENT_NO":"6639085","INSPECTION_BEGIN_DT":"04/29/2014","INSPECTION_END_DT":"04/29/2014","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2014-04-29"},{"SOURCE_ROW_NUMBER":"206808","EVENT_NO":"6632520","INSPECTION_BEGIN_DT":"05/01/2013","INSPECTION_END_DT":"05/01/2013","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19.5","SUM_TOTAL_ON_SITE_HOURS":"11.75","sourceDate":"2013-05-01"},{"SOURCE_ROW_NUMBER":"938808","EVENT_NO":"6632516","INSPECTION_BEGIN_DT":"04/25/2013","INSPECTION_END_DT":"04/25/2013","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2013-04-25"},{"SOURCE_ROW_NUMBER":"39075","EVENT_NO":"6576275","INSPECTION_BEGIN_DT":"10/17/2012","INSPECTION_END_DT":"10/17/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.25","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2012-10-17"},{"SOURCE_ROW_NUMBER":"815528","EVENT_NO":"6575853","INSPECTION_BEGIN_DT":"07/11/2012","INSPECTION_END_DT":"07/11/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2012-07-11"},{"SOURCE_ROW_NUMBER":"1068487","EVENT_NO":"6573385","INSPECTION_BEGIN_DT":"11/21/2011","INSPECTION_END_DT":"11/21/2011","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.25","SUM_TOTAL_ON_SITE_HOURS":"1.25","sourceDate":"2011-11-21"},{"SOURCE_ROW_NUMBER":"1021649","EVENT_NO":"6573893","INSPECTION_BEGIN_DT":"11/02/2011","INSPECTION_END_DT":"11/02/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"8.25","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"394797","EVENT_NO":"6518439","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":"3.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2010-11-23"},{"SOURCE_ROW_NUMBER":"983643","EVENT_NO":"6518433","INSPECTION_BEGIN_DT":"11/01/2010","INSPECTION_END_DT":"11/03/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"27.5","SUM_TOTAL_ON_SITE_HOURS":"20.75","sourceDate":"2010-11-01"},{"SOURCE_ROW_NUMBER":"581474","EVENT_NO":"6517960","INSPECTION_BEGIN_DT":"08/02/2010","INSPECTION_END_DT":"08/02/2010","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2.25","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2010-08-02"},{"SOURCE_ROW_NUMBER":"238133","EVENT_NO":"6517957","INSPECTION_BEGIN_DT":"07/28/2010","INSPECTION_END_DT":"07/28/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.25","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2010-07-28"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":132,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2016-Q2":{"hours":0,"employees":0,"production":0},"2016-Q1":{"hours":204,"employees":3,"production":0},"2015-Q4":{"hours":726,"employees":3,"production":0},"2015-Q3":{"hours":2416,"employees":3,"production":0},"2015-Q2":{"hours":2433,"employees":5,"production":0},"2015-Q1":{"hours":523,"employees":2,"production":0},"2014-Q4":{"hours":2438,"employees":5,"production":0},"2014-Q3":{"hours":1080,"employees":3,"production":0},"2014-Q2":{"hours":2707,"employees":4,"production":0},"2014-Q1":{"hours":236,"employees":4,"production":0},"2013-Q4":{"hours":1881,"employees":5,"production":0},"2013-Q3":{"hours":2478,"employees":5,"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":31,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2007":{"hours":10886,"employees":8,"production":0},"2008":{"hours":9385,"employees":5,"production":0},"2009":{"hours":5817,"employees":5,"production":0},"2010":{"hours":10586,"employees":7,"production":0},"2011":{"hours":9349,"employees":5,"production":0},"2012":{"hours":7153,"employees":5,"production":0},"2013":{"hours":7015,"employees":4,"production":0},"2014":{"hours":6461,"employees":4,"production":0},"2015":{"hours":6098,"employees":3,"production":0},"2016":{"hours":204,"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":8,"firstDate":"2003-04-15","lastDate":"2013-05-01","metrics":{"recentRows":0,"actionTaken":8,"maxExposureRatio":0.11,"overExposureLimit":0,"exposureRatioTotal":0.2},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"147465","EVENT_NO":"6632520","SAMPLE_NO":"000000201303490500","SAMPLE_DATE":"05/01/2013","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.25","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2013-05-01"},{"SOURCE_ROW_NUMBER":"147464","EVENT_NO":"6632520","SAMPLE_NO":"000000201303490400","SAMPLE_DATE":"05/01/2013","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.18","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2013-05-01"},{"SOURCE_ROW_NUMBER":"130365","EVENT_NO":"6518433","SAMPLE_NO":"000000201010561100","SAMPLE_DATE":"11/02/2010","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":"2010-11-02"},{"SOURCE_ROW_NUMBER":"130364","EVENT_NO":"6518433","SAMPLE_NO":"000000201010561000","SAMPLE_DATE":"11/02/2010","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Backhoe Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2010-11-02"},{"SOURCE_ROW_NUMBER":"130363","EVENT_NO":"6518433","SAMPLE_NO":"000000201010560900","SAMPLE_DATE":"11/02/2010","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0002.26","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2010-11-02"},{"SOURCE_ROW_NUMBER":"48278","EVENT_NO":"0964326","SAMPLE_NO":"000000200303250200","SAMPLE_DATE":"04/15/2003","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.13","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Dragline Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2003-04-15"},{"SOURCE_ROW_NUMBER":"48277","EVENT_NO":"0964326","SAMPLE_NO":"000000200303250100","SAMPLE_DATE":"04/15/2003","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.20","EXPOSURE_LIMIT":"0001.77","C_OVER_E":"00.11","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2003-04-15"},{"SOURCE_ROW_NUMBER":"48276","EVENT_NO":"0964326","SAMPLE_NO":"000000200303250000","SAMPLE_DATE":"04/15/2003","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.12","EXPOSURE_LIMIT":"0001.27","C_OVER_E":"00.09","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2003-04-15"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":33,"firstDate":"2000-07-18","lastDate":"2014-11-05","metrics":{"ss":4,"amountDue":4100,"contested":0,"amountPaid":4100,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":4100},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"669420","VIOLATION_NO":"8746826","VIOLATION_ISSUE_DT":"11/05/2014","SIG_SUB":"N","PART_SECTION":"46.9(c)(3)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/05/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2014-11-05"},{"SOURCE_ROW_NUMBER":"669419","VIOLATION_NO":"8746825","VIOLATION_ISSUE_DT":"11/05/2014","SIG_SUB":"N","PART_SECTION":"56.16005","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/05/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2014-11-05"},{"SOURCE_ROW_NUMBER":"669418","VIOLATION_NO":"8746824","VIOLATION_ISSUE_DT":"11/05/2014","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/05/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2014-11-05"},{"SOURCE_ROW_NUMBER":"669417","VIOLATION_NO":"8746823","VIOLATION_ISSUE_DT":"11/05/2014","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/05/2014","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2014-11-05"},{"SOURCE_ROW_NUMBER":"669408","VIOLATION_NO":"8668291","VIOLATION_ISSUE_DT":"10/17/2012","SIG_SUB":"N","PART_SECTION":"56.11002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/17/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2012-10-17"},{"SOURCE_ROW_NUMBER":"669416","VIOLATION_NO":"8659949","VIOLATION_ISSUE_DT":"11/02/2011","SIG_SUB":"N","PART_SECTION":"46.9(c)(5)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/02/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"669415","VIOLATION_NO":"8659948","VIOLATION_ISSUE_DT":"11/02/2011","SIG_SUB":"N","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/21/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"669414","VIOLATION_NO":"8659947","VIOLATION_ISSUE_DT":"11/02/2011","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/21/2011","PROPOSED_PENALTY":"687","AMOUNT_DUE":"687","AMOUNT_PAID":"687","CONTESTED_IND":"N","sourceDate":"2011-11-02"},{"SOURCE_ROW_NUMBER":"669413","VIOLATION_NO":"6551130","VIOLATION_ISSUE_DT":"11/02/2010","SIG_SUB":"Y","PART_SECTION":"56.11001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/23/2010","PROPOSED_PENALTY":"162","AMOUNT_DUE":"162","AMOUNT_PAID":"162","CONTESTED_IND":"N","sourceDate":"2010-11-02"},{"SOURCE_ROW_NUMBER":"669412","VIOLATION_NO":"6551129","VIOLATION_ISSUE_DT":"11/02/2010","SIG_SUB":"N","PART_SECTION":"56.17001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"4","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/23/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-11-02"},{"SOURCE_ROW_NUMBER":"669411","VIOLATION_NO":"6551128","VIOLATION_ISSUE_DT":"11/01/2010","SIG_SUB":"N","PART_SECTION":"46.9(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/02/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-11-01"},{"SOURCE_ROW_NUMBER":"669410","VIOLATION_NO":"6551127","VIOLATION_ISSUE_DT":"11/01/2010","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/02/2010","PROPOSED_PENALTY":"108","AMOUNT_DUE":"108","AMOUNT_PAID":"108","CONTESTED_IND":"N","sourceDate":"2010-11-01"}]}],"safety":{"href":"/api/v1/mines/1302176/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1302176/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":"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":3},{"chapter":"I","heading":"Securing gas cylinders.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16005","part":"56","subchapter":"K","subpart":"O","id":"56.16005","citation":"30 CFR 56.16005","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"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":"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":"Insulation and fittings for power wires and cables.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008","part":"56","subchapter":"K","subpart":"K","id":"56.12008","citation":"30 CFR 56.12008","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":"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},{"chapter":"I","heading":"Illumination of surface working areas.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-P/section-56.17001","part":"56","subchapter":"K","subpart":"P","id":"56.17001","citation":"30 CFR 56.17001","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":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1302176","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}