{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3901408","name":"PQ 2508","status":"Abandoned","status_date":"2010-06-21","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"SD","county":"Lawrence","nearest_town":"Rapid City","operator_id":"L16677","operator_name":"Hills Materials Company","controller_id":"M06183","controller_name":"CRH PLC","district":"M6","office":"Rapid City SD Field Office","employees":0,"latitude":44.480555,"longitude":-103.802777},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":189},"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":"3901408","name":"PQ 2508"},"operator":{"type":"operator","id":"L16677","name":"Hills Materials Company"},"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":"M02630","name":"Northwestern Engineering Company"},"object":{"type":"mine","id":"3901408","name":"PQ 2508"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901408|M02630|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01655","name":"Hills Materials Company"},"object":{"type":"mine","id":"3901408","name":"PQ 2508"},"validFrom":"1995-05-01","validTo":"1998-10-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901408|L01655|1995-05-01|1998-10-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02630","name":"Northwestern Engineering Company"},"object":{"type":"operator","id":"L01655","name":"Hills Materials Company"},"validFrom":"1995-05-01","validTo":"1998-10-15","current":false,"derived":true,"evidenceMineId":"3901408","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901408|L01655|1995-05-01|M02630|1950-01-01|126296"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16677","name":"Hills Materials Company"},"object":{"type":"mine","id":"3901408","name":"PQ 2508"},"validFrom":"1998-10-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901408|L16677|1998-10-16|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"3901408","name":"PQ 2508"},"validFrom":"1998-10-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901408|M06183|1998-10-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L16677","name":"Hills Materials Company"},"validFrom":"1998-10-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"3901408","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3901408|L16677|1998-10-16|M06183|1998-10-16|136762"}}],"coverage":{"historyRecords":2,"edgeCount":6,"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":"2006-04-11","lastDate":"2006-04-11","metrics":{"daysLost":25,"injuries":1,"fatalities":0,"recentRows":0,"restrictedDays":2,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"114589","DOCUMENT_NO":"220061070028","ACCIDENT_DT":"04/11/2006","DEGREE_INJURY":"DYS AWY FRM WRK & RESTRCTD ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver","NO_INJURIES":"1","DAYS_LOST":"25","NARRATIVE":"Employee strained his right shoulder while exiting the cab of a 950F front end loader.","sourceDate":"2006-04-11"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2010-06-21","lastDate":"2010-06-21","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":25,"firstDate":"2001-08-23","lastDate":"2009-08-11","metrics":{"ss":1,"delinquent":25,"recentRows":0,"paidPenalty":2959,"proposedPenalty":3354,"currentAssessment":2959},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"536632","VIOLATION_NO":"6426031","ISSUE_DT":"08/11/2009","CFR_STANDARD_CD":"56.15020","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"117.00","CURRENT_ASSESSMENT_AMT":"117.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-08-11"},{"SOURCE_ROW_NUMBER":"536631","VIOLATION_NO":"6426029","ISSUE_DT":"08/11/2009","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":"2009-08-11"},{"SOURCE_ROW_NUMBER":"535096","VIOLATION_NO":"6327993","ISSUE_DT":"10/02/2008","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"162.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-10-02"},{"SOURCE_ROW_NUMBER":"535095","VIOLATION_NO":"6327992","ISSUE_DT":"10/02/2008","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":"2008-10-02"},{"SOURCE_ROW_NUMBER":"483742","VIOLATION_NO":"7939208","ISSUE_DT":"05/10/2007","CFR_STANDARD_CD":"56.12016","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"392.00","CURRENT_ASSESSMENT_AMT":"313.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-05-10"},{"SOURCE_ROW_NUMBER":"483741","VIOLATION_NO":"7938804","ISSUE_DT":"05/10/2007","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"585.00","CURRENT_ASSESSMENT_AMT":"468.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-05-10"},{"SOURCE_ROW_NUMBER":"483740","VIOLATION_NO":"7938803","ISSUE_DT":"05/10/2007","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"585.00","CURRENT_ASSESSMENT_AMT":"468.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-05-10"},{"SOURCE_ROW_NUMBER":"483739","VIOLATION_NO":"7938561","ISSUE_DT":"05/10/2007","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"80.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2007-05-10"},{"SOURCE_ROW_NUMBER":"502652","VIOLATION_NO":"7939287","ISSUE_DT":"08/23/2006","CFR_STANDARD_CD":"56.9300(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-08-23"},{"SOURCE_ROW_NUMBER":"502494","VIOLATION_NO":"7939142","ISSUE_DT":"02/27/2006","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"268.00","CURRENT_ASSESSMENT_AMT":"268.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-02-27"},{"SOURCE_ROW_NUMBER":"483865","VIOLATION_NO":"7938713","ISSUE_DT":"06/14/2005","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-06-14"},{"SOURCE_ROW_NUMBER":"483827","VIOLATION_NO":"7938654","ISSUE_DT":"01/27/2005","CFR_STANDARD_CD":"50.30(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2005-01-27"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":11,"firstDate":"2003-05-21","lastDate":"2011-07-13","metrics":{"appeals":0,"decisions":11,"recentRows":0,"decisionPenalty":1801,"originalPenalty":2881},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"32544","VIOLATION_NO":"6327993","DOCKET_NO":"CENT 2009-140M","DECISION_DT":"07/13/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"162.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2011-07-13"},{"SOURCE_ROW_NUMBER":"257808","VIOLATION_NO":"6426029","DOCKET_NO":"CENT 2010-36M","DECISION_DT":"08/30/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2010-08-30"},{"SOURCE_ROW_NUMBER":"47190","VIOLATION_NO":"6426030","DOCKET_NO":"CENT 2010-36M","DECISION_DT":"08/30/2010","DECISION_TYPE_CODE_DESC":"Vacate","ORIGINAL_PENALTY_AMT":"585.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2010-08-30"},{"SOURCE_ROW_NUMBER":"46661","VIOLATION_NO":"6426031","DOCKET_NO":"CENT 2010-36M","DECISION_DT":"08/30/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"117.00","DECISION_PENALTY_AMT":"117.00","JUDGE_FIRST_NAME":"N/A","sourceDate":"2010-08-30"},{"SOURCE_ROW_NUMBER":"234233","VIOLATION_NO":"6327992","DOCKET_NO":"CENT 2009-141M","DECISION_DT":"11/19/2009","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2009-11-19"},{"SOURCE_ROW_NUMBER":"200933","VIOLATION_NO":"7938803","DOCKET_NO":"CENT 2007-276M","DECISION_DT":"03/17/2009","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"585.00","DECISION_PENALTY_AMT":"468.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2009-03-17"},{"SOURCE_ROW_NUMBER":"200862","VIOLATION_NO":"7938561","DOCKET_NO":"CENT 2007-275M","DECISION_DT":"03/17/2009","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"80.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2009-03-17"},{"SOURCE_ROW_NUMBER":"200446","VIOLATION_NO":"7939208","DOCKET_NO":"CENT 2007-276M","DECISION_DT":"03/17/2009","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"392.00","DECISION_PENALTY_AMT":"313.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2009-03-17"},{"SOURCE_ROW_NUMBER":"12194","VIOLATION_NO":"7938804","DOCKET_NO":"CENT 2007-276M","DECISION_DT":"03/17/2009","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"585.00","DECISION_PENALTY_AMT":"468.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2009-03-17"},{"SOURCE_ROW_NUMBER":"11913","VIOLATION_NO":"7938805","DOCKET_NO":"CENT 2007-275M","DECISION_DT":"03/17/2009","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2009-03-17"},{"SOURCE_ROW_NUMBER":"479251","VIOLATION_NO":"6278397","DOCKET_NO":"CENT20030183M","DECISION_DT":"05/21/2003","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"55.00","DECISION_PENALTY_AMT":"55.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2003-05-21"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":10,"firstDate":"2007-05-10","lastDate":"2009-08-11","metrics":{"decisions":10,"ssChanged":5,"recentRows":0,"decisionPenalty":1746,"proposedPenalty":2826},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"411555","CITATION_NO":"6426030","CITATION_ISSUE_DT":"08/11/2009","DOCKET_NO":"CENT 2010-36M","DECISION_DT":"08/30/2010","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"585.00","DECISION_PENALTY_AMT":".00","sourceDate":"2009-08-11"},{"SOURCE_ROW_NUMBER":"298542","CITATION_NO":"6426031","CITATION_ISSUE_DT":"08/11/2009","DOCKET_NO":"CENT 2010-36M","DECISION_DT":"08/30/2010","CFR_STANDARD_CODE":"56.15020","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"117.00","DECISION_PENALTY_AMT":"117.00","sourceDate":"2009-08-11"},{"SOURCE_ROW_NUMBER":"242767","CITATION_NO":"6426029","CITATION_ISSUE_DT":"08/11/2009","DOCKET_NO":"CENT 2010-36M","DECISION_DT":"08/30/2010","CFR_STANDARD_CODE":"56.11002","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-08-11"},{"SOURCE_ROW_NUMBER":"409291","CITATION_NO":"6327992","CITATION_ISSUE_DT":"10/02/2008","DOCKET_NO":"CENT 2009-141M","DECISION_DT":"11/19/2009","CFR_STANDARD_CODE":"56.16006","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2008-10-02"},{"SOURCE_ROW_NUMBER":"294049","CITATION_NO":"6327993","CITATION_ISSUE_DT":"10/02/2008","DOCKET_NO":"CENT 2009-140M","DECISION_DT":"07/13/2011","CFR_STANDARD_CODE":"56.12004","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"162.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2008-10-02"},{"SOURCE_ROW_NUMBER":"62459","CITATION_NO":"7939208","CITATION_ISSUE_DT":"05/10/2007","DOCKET_NO":"CENT 2007-276M","DECISION_DT":"03/17/2009","CFR_STANDARD_CODE":"56.12016","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"392.00","DECISION_PENALTY_AMT":"313.00","sourceDate":"2007-05-10"},{"SOURCE_ROW_NUMBER":"61099","CITATION_NO":"7938805","CITATION_ISSUE_DT":"05/10/2007","DOCKET_NO":"CENT 2007-275M","DECISION_DT":"03/17/2009","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":".00","sourceDate":"2007-05-10"},{"SOURCE_ROW_NUMBER":"6711","CITATION_NO":"7938803","CITATION_ISSUE_DT":"05/10/2007","DOCKET_NO":"CENT 2007-276M","DECISION_DT":"03/17/2009","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"585.00","DECISION_PENALTY_AMT":"468.00","sourceDate":"2007-05-10"},{"SOURCE_ROW_NUMBER":"6710","CITATION_NO":"7938804","CITATION_ISSUE_DT":"05/10/2007","DOCKET_NO":"CENT 2007-276M","DECISION_DT":"03/17/2009","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"585.00","DECISION_PENALTY_AMT":"468.00","sourceDate":"2007-05-10"},{"SOURCE_ROW_NUMBER":"4543","CITATION_NO":"7938561","CITATION_ISSUE_DT":"05/10/2007","DOCKET_NO":"CENT 2007-275M","DECISION_DT":"03/17/2009","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"80.00","sourceDate":"2007-05-10"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":2,"firstDate":"1995-05-01","lastDate":"1998-10-16","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":26,"firstDate":"2000-05-18","lastDate":"2010-02-17","metrics":{"inspectors":31,"recentRows":0,"onSiteHours":176,"inspectionHours":294.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"488827","EVENT_NO":"1109547","INSPECTION_BEGIN_DT":"02/17/2010","INSPECTION_END_DT":"02/17/2010","ACTIVITY_CODE":"E25","ACTIVITY":"Part 50 Audit","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2010-02-17"},{"SOURCE_ROW_NUMBER":"302634","EVENT_NO":"1109528","INSPECTION_BEGIN_DT":"10/28/2009","INSPECTION_END_DT":"10/28/2009","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2009-10-28"},{"SOURCE_ROW_NUMBER":"682151","EVENT_NO":"1109970","INSPECTION_BEGIN_DT":"08/11/2009","INSPECTION_END_DT":"08/13/2009","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16.75","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2009-08-11"},{"SOURCE_ROW_NUMBER":"257196","EVENT_NO":"1109180","INSPECTION_BEGIN_DT":"10/02/2008","INSPECTION_END_DT":"10/03/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2008-10-02"},{"SOURCE_ROW_NUMBER":"339786","EVENT_NO":"1093965","INSPECTION_BEGIN_DT":"03/13/2008","INSPECTION_END_DT":"03/17/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.75","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2008-03-13"},{"SOURCE_ROW_NUMBER":"423370","EVENT_NO":"1093701","INSPECTION_BEGIN_DT":"12/20/2007","INSPECTION_END_DT":"12/20/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2007-12-20"},{"SOURCE_ROW_NUMBER":"787386","EVENT_NO":"1080763","INSPECTION_BEGIN_DT":"05/10/2007","INSPECTION_END_DT":"05/14/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"6.5","sourceDate":"2007-05-10"},{"SOURCE_ROW_NUMBER":"724380","EVENT_NO":"1093143","INSPECTION_BEGIN_DT":"12/21/2006","INSPECTION_END_DT":"12/21/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2006-12-21"},{"SOURCE_ROW_NUMBER":"1063368","EVENT_NO":"1093483","INSPECTION_BEGIN_DT":"09/11/2006","INSPECTION_END_DT":"09/11/2006","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2006-09-11"},{"SOURCE_ROW_NUMBER":"618837","EVENT_NO":"1092985","INSPECTION_BEGIN_DT":"08/23/2006","INSPECTION_END_DT":"08/23/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"15.75","SUM_TOTAL_ON_SITE_HOURS":"6.75","sourceDate":"2006-08-23"},{"SOURCE_ROW_NUMBER":"740803","EVENT_NO":"1092717","INSPECTION_BEGIN_DT":"02/27/2006","INSPECTION_END_DT":"03/01/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"27","SUM_TOTAL_ON_SITE_HOURS":"21","sourceDate":"2006-02-27"},{"SOURCE_ROW_NUMBER":"1039558","EVENT_NO":"1080902","INSPECTION_BEGIN_DT":"06/14/2005","INSPECTION_END_DT":"06/16/2005","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"4.75","sourceDate":"2005-06-14"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":72,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2010-Q2":{"hours":0,"employees":0,"production":0},"2010-Q1":{"hours":1740,"employees":5,"production":0},"2009-Q4":{"hours":2056,"employees":4,"production":0},"2009-Q3":{"hours":1905,"employees":4,"production":0},"2009-Q2":{"hours":3017,"employees":6,"production":0},"2009-Q1":{"hours":1957,"employees":9,"production":0},"2008-Q4":{"hours":2150,"employees":5,"production":0},"2008-Q3":{"hours":3945,"employees":5,"production":0},"2008-Q2":{"hours":1933,"employees":4,"production":0},"2008-Q1":{"hours":2267,"employees":5,"production":0},"2007-Q4":{"hours":1677,"employees":5,"production":0},"2007-Q3":{"hours":2886,"employees":6,"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":11,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2001":{"hours":5517,"employees":4,"production":0},"2002":{"hours":10506,"employees":4,"production":0},"2003":{"hours":11973,"employees":6,"production":0},"2004":{"hours":10464,"employees":6,"production":0},"2005":{"hours":9952,"employees":4,"production":0},"2006":{"hours":10935,"employees":4,"production":0},"2007":{"hours":9946,"employees":5,"production":0},"2008":{"hours":10295,"employees":5,"production":0},"2009":{"hours":8935,"employees":6,"production":0},"2010":{"hours":1740,"employees":5,"production":0}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":4,"firstDate":"2004-12-08","lastDate":"2006-02-28","metrics":{"recentRows":0,"actionTaken":4,"maxExposureRatio":0.16,"overExposureLimit":0,"exposureRatioTotal":0.25},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"62682","EVENT_NO":"1092717","SAMPLE_NO":"000000200602110600","SAMPLE_DATE":"02/28/2006","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.12","EXPOSURE_LIMIT":"0001.28","C_OVER_E":"00.09","JOB_CD_DESC":"Complete Load-Haul-Dump","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2006-02-28"},{"SOURCE_ROW_NUMBER":"62678","EVENT_NO":"1092717","SAMPLE_NO":"000000200602085600","SAMPLE_DATE":"02/28/2006","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.36","EXPOSURE_LIMIT":"0002.29","C_OVER_E":"00.16","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2006-02-28"},{"SOURCE_ROW_NUMBER":"70457","EVENT_NO":"1080866","SAMPLE_NO":"000000200411002900","SAMPLE_DATE":"12/08/2004","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-12-08"},{"SOURCE_ROW_NUMBER":"70456","EVENT_NO":"1080866","SAMPLE_NO":"000000200411002800","SAMPLE_DATE":"12/08/2004","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-12-08"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":25,"firstDate":"2001-08-23","lastDate":"2009-08-11","metrics":{"ss":1,"amountDue":2959,"contested":9,"amountPaid":2959,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":3354},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2039227","VIOLATION_NO":"6426031","VIOLATION_ISSUE_DT":"08/11/2009","SIG_SUB":"N","PART_SECTION":"56.15020","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/12/2009","PROPOSED_PENALTY":"117","AMOUNT_DUE":"117","AMOUNT_PAID":"117","CONTESTED_IND":"Y","DOCKET_NO":"CENT 2010-36M","sourceDate":"2009-08-11"},{"SOURCE_ROW_NUMBER":"2039226","VIOLATION_NO":"6426029","VIOLATION_ISSUE_DT":"08/11/2009","SIG_SUB":"N","PART_SECTION":"56.11002","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/13/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"Y","DOCKET_NO":"CENT 2010-36M","sourceDate":"2009-08-11"},{"SOURCE_ROW_NUMBER":"2039232","VIOLATION_NO":"6327993","VIOLATION_ISSUE_DT":"10/02/2008","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/02/2008","PROPOSED_PENALTY":"162","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"Y","DOCKET_NO":"CENT 2009-140M","sourceDate":"2008-10-02"},{"SOURCE_ROW_NUMBER":"2039231","VIOLATION_NO":"6327992","VIOLATION_ISSUE_DT":"10/02/2008","SIG_SUB":"N","PART_SECTION":"56.16006","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/02/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"Y","DOCKET_NO":"CENT 2009-141M","sourceDate":"2008-10-02"},{"SOURCE_ROW_NUMBER":"2039224","VIOLATION_NO":"7939208","VIOLATION_ISSUE_DT":"05/10/2007","SIG_SUB":"N","PART_SECTION":"56.12016","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"05/10/2007","PROPOSED_PENALTY":"392","AMOUNT_DUE":"313","AMOUNT_PAID":"313","CONTESTED_IND":"Y","DOCKET_NO":"CENT 2007-276M","sourceDate":"2007-05-10"},{"SOURCE_ROW_NUMBER":"2039223","VIOLATION_NO":"7938804","VIOLATION_ISSUE_DT":"05/10/2007","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/14/2007","PROPOSED_PENALTY":"585","AMOUNT_DUE":"468","AMOUNT_PAID":"468","CONTESTED_IND":"Y","DOCKET_NO":"CENT 2007-276M","sourceDate":"2007-05-10"},{"SOURCE_ROW_NUMBER":"2039222","VIOLATION_NO":"7938803","VIOLATION_ISSUE_DT":"05/10/2007","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/14/2007","PROPOSED_PENALTY":"585","AMOUNT_DUE":"468","AMOUNT_PAID":"468","CONTESTED_IND":"Y","DOCKET_NO":"CENT 2007-276M","sourceDate":"2007-05-10"},{"SOURCE_ROW_NUMBER":"2039221","VIOLATION_NO":"7938561","VIOLATION_ISSUE_DT":"05/10/2007","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/10/2007","PROPOSED_PENALTY":"100","AMOUNT_DUE":"80","AMOUNT_PAID":"80","CONTESTED_IND":"Y","DOCKET_NO":"CENT 2007-275M","sourceDate":"2007-05-10"},{"SOURCE_ROW_NUMBER":"2039230","VIOLATION_NO":"7939287","VIOLATION_ISSUE_DT":"08/23/2006","SIG_SUB":"N","PART_SECTION":"56.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"09/11/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2006-08-23"},{"SOURCE_ROW_NUMBER":"2039220","VIOLATION_NO":"7939142","VIOLATION_ISSUE_DT":"02/27/2006","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/28/2006","PROPOSED_PENALTY":"268","AMOUNT_DUE":"268","AMOUNT_PAID":"268","CONTESTED_IND":"N","sourceDate":"2006-02-27"},{"SOURCE_ROW_NUMBER":"2039225","VIOLATION_NO":"7938713","VIOLATION_ISSUE_DT":"06/14/2005","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/14/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-06-14"},{"SOURCE_ROW_NUMBER":"2039219","VIOLATION_NO":"7938654","VIOLATION_ISSUE_DT":"01/27/2005","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/27/2005","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2005-01-27"}]}],"safety":{"href":"/api/v1/mines/3901408/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3901408/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":"Life jackets and belts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15020","part":"56","subchapter":"K","subpart":"N","id":"56.15020","citation":"30 CFR 56.15020","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Handrails and toeboards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11002","part":"56","subchapter":"K","subpart":"J","id":"56.11002","citation":"30 CFR 56.11002","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"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":"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":"Work on electrically-powered equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12016","part":"56","subchapter":"K","subpart":"K","id":"56.12016","citation":"30 CFR 56.12016","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":4},{"chapter":"I","heading":"Berms or guardrails.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-H/section-56.9300","part":"56","subchapter":"K","subpart":"H","id":"56.9300","citation":"30 CFR 56.9300","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30","part":"50","subchapter":"I","subpart":"D","id":"50.30","citation":"30 CFR 50.30","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3901408","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}