{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3503465","name":"Angell Quarry","status":"Abandoned","status_date":"2011-10-13","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Stone NEC","state":"OR","county":"Multnomah","nearest_town":"Linnton","operator_id":"L16679","operator_name":"Knife River Corporation - Northwest","controller_id":"0176802","controller_name":"Knife River Corporation","district":"M7","office":"Albany OR Field Office","employees":0,"latitude":45.707222,"longitude":-122.8725},"coverage":{"contributingSources":15,"registeredSources":20,"sourceRows":947},"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":"3503465","name":"Angell Quarry"},"operator":{"type":"operator","id":"L16679","name":"Knife River Corporation - Northwest"},"controller":{"type":"controller","id":"0176802","name":"Knife River Corporation"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M09717","name":"MDU Resources Group Inc"},"object":{"type":"mine","id":"3503465","name":"Angell Quarry"},"validFrom":"1998-03-05","validTo":"2023-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503465|M09717|1998-03-05|2023-05-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16679","name":"Knife River Corporation - Northwest"},"object":{"type":"mine","id":"3503465","name":"Angell Quarry"},"validFrom":"1998-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503465|L16679|1998-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M09717","name":"MDU Resources Group Inc"},"object":{"type":"operator","id":"L16679","name":"Knife River Corporation - Northwest"},"validFrom":"1998-04-01","validTo":"2023-05-31","current":false,"derived":true,"evidenceMineId":"3503465","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503465|L16679|1998-04-01|M09717|1998-03-05|147078"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0176802","name":"Knife River Corporation"},"object":{"type":"mine","id":"3503465","name":"Angell Quarry"},"validFrom":"2023-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503465|0176802|2023-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0176802","name":"Knife River Corporation"},"object":{"type":"operator","id":"L16679","name":"Knife River Corporation - Northwest"},"validFrom":"2023-06-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3503465","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3503465|L16679|1998-04-01|0176802|2023-06-01|37839"}}],"coverage":{"historyRecords":2,"edgeCount":5,"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":"2002-07-03","lastDate":"2005-06-27","metrics":{"daysLost":4,"injuries":2,"fatalities":1,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"187445","DOCUMENT_NO":"220051810015","ACCIDENT_DT":"06/27/2005","DEGREE_INJURY":"FATALITY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck against a moving object","OCCUPATION":"Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"The victim was operating a track dozer to clean off a drill bench in preparation for drilling. The bench was 45 feet above the quarry floor. Apparently the victim was attmpting to turn the dozer around on the bench, backed off this area, and fell to the quarry floor.","sourceDate":"2005-06-27"},{"SOURCE_ROW_NUMBER":"239158","DOCUMENT_NO":"220021990035","ACCIDENT_DT":"07/03/2002","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator","NO_INJURIES":"1","DAYS_LOST":"4","NARRATIVE":"WORKER WAS CLIMBING INTO A HOPPER OFF THE END OF A SCALP SCREEN. HE LOWERED HIMSELF DOWN WITH HIS ARMS AND TWISTED TO GET A FOOTING. HE FELT A PULL IN LOWER BACK.","sourceDate":"2002-07-03"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2011-10-13","lastDate":"2011-10-13","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":94,"firstDate":"2000-01-19","lastDate":"2010-10-05","metrics":{"ss":16,"delinquent":93,"recentRows":0,"paidPenalty":26609,"proposedPenalty":36887,"currentAssessment":26609},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"625946","VIOLATION_NO":"6486100","ISSUE_DT":"10/05/2010","CFR_STANDARD_CD":"56.3200","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"425.00","CURRENT_ASSESSMENT_AMT":"425.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-10-05"},{"SOURCE_ROW_NUMBER":"625945","VIOLATION_NO":"6486098","ISSUE_DT":"10/05/2010","CFR_STANDARD_CD":"56.18002(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":"2010-10-05"},{"SOURCE_ROW_NUMBER":"625085","VIOLATION_NO":"6479752","ISSUE_DT":"11/18/2009","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":"2009-11-18"},{"SOURCE_ROW_NUMBER":"625084","VIOLATION_NO":"6479751","ISSUE_DT":"11/18/2009","CFR_STANDARD_CD":"56.9300(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"243.00","CURRENT_ASSESSMENT_AMT":"243.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-11-18"},{"SOURCE_ROW_NUMBER":"625083","VIOLATION_NO":"6479750","ISSUE_DT":"11/18/2009","CFR_STANDARD_CD":"50.30(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":"2009-11-18"},{"SOURCE_ROW_NUMBER":"625082","VIOLATION_NO":"6479749","ISSUE_DT":"11/17/2009","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":"2009-11-17"},{"SOURCE_ROW_NUMBER":"625081","VIOLATION_NO":"6479748","ISSUE_DT":"11/17/2009","CFR_STANDARD_CD":"56.1000","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-11-17"},{"SOURCE_ROW_NUMBER":"624581","VIOLATION_NO":"6399157","ISSUE_DT":"01/21/2009","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"108.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-01-21"},{"SOURCE_ROW_NUMBER":"612757","VIOLATION_NO":"6438607","ISSUE_DT":"09/23/2008","CFR_STANDARD_CD":"56.3131","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"540.00","CURRENT_ASSESSMENT_AMT":"270.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-09-23"},{"SOURCE_ROW_NUMBER":"592078","VIOLATION_NO":"6398316","ISSUE_DT":"04/22/2008","CFR_STANDARD_CD":"56.4101","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-04-22"},{"SOURCE_ROW_NUMBER":"592077","VIOLATION_NO":"6398315","ISSUE_DT":"04/22/2008","CFR_STANDARD_CD":"56.12006","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2008-04-22"},{"SOURCE_ROW_NUMBER":"592076","VIOLATION_NO":"6398314","ISSUE_DT":"04/22/2008","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":"2008-04-22"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":9,"firstDate":"2005-05-25","lastDate":"2012-10-17","metrics":{"appeals":0,"decisions":9,"recentRows":0,"decisionPenalty":18768,"originalPenalty":29297},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"265811","VIOLATION_NO":"6479749","DOCKET_NO":"WEST 2010-583M","DECISION_DT":"10/17/2012","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2012-10-17"},{"SOURCE_ROW_NUMBER":"240387","VIOLATION_NO":"6399157","DOCKET_NO":"WEST 2009-684M","DECISION_DT":"04/21/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"108.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-04-21"},{"SOURCE_ROW_NUMBER":"31440","VIOLATION_NO":"6438607","DOCKET_NO":"WEST 2009-151M","DECISION_DT":"01/06/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"540.00","DECISION_PENALTY_AMT":"270.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-01-06"},{"SOURCE_ROW_NUMBER":"199727","VIOLATION_NO":"6342846","DOCKET_NO":"WEST 2007-542M","DECISION_DT":"12/09/2008","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"191.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2008-12-09"},{"SOURCE_ROW_NUMBER":"199153","VIOLATION_NO":"6342850","DOCKET_NO":"WEST 2007-543M","DECISION_DT":"12/09/2008","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"60.00","DECISION_PENALTY_AMT":"60.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2008-12-09"},{"SOURCE_ROW_NUMBER":"11154","VIOLATION_NO":"6342849","DOCKET_NO":"WEST 2007-543M","DECISION_DT":"12/09/2008","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"60.00","DECISION_PENALTY_AMT":"60.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2008-12-09"},{"SOURCE_ROW_NUMBER":"198346","VIOLATION_NO":"6371066","DOCKET_NO":"WEST 2007-289M","DECISION_DT":"12/14/2007","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"28000.00","DECISION_PENALTY_AMT":"18000.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Barbour","sourceDate":"2007-12-14"},{"SOURCE_ROW_NUMBER":"186749","VIOLATION_NO":"6362790","DOCKET_NO":"WEST 2005-174M","DECISION_DT":"05/25/2005","DECISION_TYPE_CODE_DESC":"Vacate","ORIGINAL_PENALTY_AMT":"60.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2005-05-25"},{"SOURCE_ROW_NUMBER":"186748","VIOLATION_NO":"6362789","DOCKET_NO":"WEST 2005-174M","DECISION_DT":"05/25/2005","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"178.00","DECISION_PENALTY_AMT":"178.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2005-05-25"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":1,"firstDate":"2005-08-12","lastDate":"2005-08-12","metrics":{"linkedIssuances":1},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":9,"firstDate":"2004-10-14","lastDate":"2009-11-17","metrics":{"decisions":9,"ssChanged":3,"recentRows":0,"decisionPenalty":18768,"proposedPenalty":29297},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"130836","CITATION_NO":"6479749","CITATION_ISSUE_DT":"11/17/2009","DOCKET_NO":"WEST 2010-583M","DECISION_DT":"10/17/2012","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-11-17"},{"SOURCE_ROW_NUMBER":"180061","CITATION_NO":"6399157","CITATION_ISSUE_DT":"01/21/2009","DOCKET_NO":"WEST 2009-684M","DECISION_DT":"04/21/2010","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"108.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-01-21"},{"SOURCE_ROW_NUMBER":"181332","CITATION_NO":"6438607","CITATION_ISSUE_DT":"09/23/2008","DOCKET_NO":"WEST 2009-151M","DECISION_DT":"01/06/2010","CFR_STANDARD_CODE":"56.3131","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"540.00","DECISION_PENALTY_AMT":"270.00","sourceDate":"2008-09-23"},{"SOURCE_ROW_NUMBER":"116963","CITATION_NO":"6342850","CITATION_ISSUE_DT":"03/15/2007","DOCKET_NO":"WEST 2007-543M","DECISION_DT":"12/09/2008","CFR_STANDARD_CODE":"56.14112(a)(1)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"60.00","DECISION_PENALTY_AMT":"60.00","sourceDate":"2007-03-15"},{"SOURCE_ROW_NUMBER":"230071","CITATION_NO":"6342849","CITATION_ISSUE_DT":"03/14/2007","DOCKET_NO":"WEST 2007-543M","DECISION_DT":"12/09/2008","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"60.00","DECISION_PENALTY_AMT":"60.00","sourceDate":"2007-03-14"},{"SOURCE_ROW_NUMBER":"5289","CITATION_NO":"6342846","CITATION_ISSUE_DT":"03/14/2007","DOCKET_NO":"WEST 2007-542M","DECISION_DT":"12/09/2008","CFR_STANDARD_CODE":"56.11002","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"191.00","DECISION_PENALTY_AMT":".00","sourceDate":"2007-03-14"},{"SOURCE_ROW_NUMBER":"170625","CITATION_NO":"6371066","CITATION_ISSUE_DT":"07/26/2005","DOCKET_NO":"WEST 2007-289M","DECISION_DT":"12/14/2007","CFR_STANDARD_CODE":"56.9101","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"28000.00","DECISION_PENALTY_AMT":"18000.00","sourceDate":"2005-07-26"},{"SOURCE_ROW_NUMBER":"226378","CITATION_NO":"6362790","CITATION_ISSUE_DT":"10/14/2004","DOCKET_NO":"WEST 2005-174M","DECISION_DT":"05/25/2005","CFR_STANDARD_CODE":"46.4(a)(1)","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"60.00","DECISION_PENALTY_AMT":".00","sourceDate":"2004-10-14"},{"SOURCE_ROW_NUMBER":"833","CITATION_NO":"6362789","CITATION_ISSUE_DT":"10/14/2004","DOCKET_NO":"WEST 2005-174M","DECISION_DT":"05/25/2005","CFR_STANDARD_CODE":"46.8(a)(2)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"178.00","DECISION_PENALTY_AMT":"178.00","sourceDate":"2004-10-14"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":453,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":3,"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":106,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":3,"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":2,"firstDate":"1998-04-01","lastDate":"1998-04-01","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":40,"firstDate":"2000-01-19","lastDate":"2011-09-27","metrics":{"inspectors":41,"recentRows":0,"onSiteHours":446.5,"inspectionHours":725.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1034849","EVENT_NO":"1156286","INSPECTION_BEGIN_DT":"09/27/2011","INSPECTION_END_DT":"10/03/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"33","SUM_TOTAL_ON_SITE_HOURS":"22.5","sourceDate":"2011-09-27"},{"SOURCE_ROW_NUMBER":"52624","EVENT_NO":"1150948","INSPECTION_BEGIN_DT":"10/18/2010","INSPECTION_END_DT":"10/20/2010","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2010-10-18"},{"SOURCE_ROW_NUMBER":"978212","EVENT_NO":"1150944","INSPECTION_BEGIN_DT":"10/04/2010","INSPECTION_END_DT":"10/06/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20","SUM_TOTAL_ON_SITE_HOURS":"11.75","sourceDate":"2010-10-04"},{"SOURCE_ROW_NUMBER":"772444","EVENT_NO":"1150544","INSPECTION_BEGIN_DT":"11/16/2009","INSPECTION_END_DT":"11/19/2009","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"25.75","SUM_TOTAL_ON_SITE_HOURS":"15.75","sourceDate":"2009-11-16"},{"SOURCE_ROW_NUMBER":"646153","EVENT_NO":"1145687","INSPECTION_BEGIN_DT":"05/07/2009","INSPECTION_END_DT":"05/07/2009","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"2","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2009-05-07"},{"SOURCE_ROW_NUMBER":"207028","EVENT_NO":"1150215","INSPECTION_BEGIN_DT":"01/20/2009","INSPECTION_END_DT":"01/22/2009","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"29","SUM_TOTAL_ON_SITE_HOURS":"15.75","sourceDate":"2009-01-20"},{"SOURCE_ROW_NUMBER":"544828","EVENT_NO":"1145224","INSPECTION_BEGIN_DT":"09/23/2008","INSPECTION_END_DT":"09/24/2008","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.25","SUM_TOTAL_ON_SITE_HOURS":"10.25","sourceDate":"2008-09-23"},{"SOURCE_ROW_NUMBER":"589111","EVENT_NO":"1135459","INSPECTION_BEGIN_DT":"04/21/2008","INSPECTION_END_DT":"04/23/2008","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"18","SUM_TOTAL_ON_SITE_HOURS":"10","sourceDate":"2008-04-21"},{"SOURCE_ROW_NUMBER":"18833","EVENT_NO":"1135242","INSPECTION_BEGIN_DT":"11/27/2007","INSPECTION_END_DT":"11/28/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22.5","SUM_TOTAL_ON_SITE_HOURS":"15","sourceDate":"2007-11-27"},{"SOURCE_ROW_NUMBER":"529689","EVENT_NO":"1130099","INSPECTION_BEGIN_DT":"03/14/2007","INSPECTION_END_DT":"03/16/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.75","SUM_TOTAL_ON_SITE_HOURS":"8.75","sourceDate":"2007-03-14"},{"SOURCE_ROW_NUMBER":"692340","EVENT_NO":"1130178","INSPECTION_BEGIN_DT":"07/24/2006","INSPECTION_END_DT":"07/25/2006","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17","SUM_TOTAL_ON_SITE_HOURS":"11.75","sourceDate":"2006-07-24"},{"SOURCE_ROW_NUMBER":"906161","EVENT_NO":"1130164","INSPECTION_BEGIN_DT":"07/05/2006","INSPECTION_END_DT":"07/05/2006","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.75","SUM_TOTAL_ON_SITE_HOURS":".25","sourceDate":"2006-07-05"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":96,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2011-Q4":{"hours":511,"employees":5,"production":0},"2011-Q3":{"hours":3491,"employees":6,"production":0},"2011-Q2":{"hours":7522,"employees":11,"production":0},"2011-Q1":{"hours":4616,"employees":6,"production":0},"2010-Q4":{"hours":1435,"employees":3,"production":0},"2010-Q3":{"hours":1016,"employees":2,"production":0},"2010-Q2":{"hours":1014,"employees":2,"production":0},"2010-Q1":{"hours":1616,"employees":3,"production":0},"2009-Q4":{"hours":1558,"employees":4,"production":0},"2009-Q3":{"hours":1691,"employees":3,"production":0},"2009-Q2":{"hours":2625,"employees":13,"production":0},"2009-Q1":{"hours":8336,"employees":13,"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":24,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2002":{"hours":12908,"employees":8,"production":0},"2003":{"hours":13732,"employees":7,"production":0},"2004":{"hours":25968,"employees":13,"production":0},"2005":{"hours":33631,"employees":12,"production":0},"2006":{"hours":33769,"employees":14,"production":0},"2007":{"hours":41015,"employees":15,"production":0},"2008":{"hours":35186,"employees":13,"production":0},"2009":{"hours":14210,"employees":8,"production":0},"2010":{"hours":5081,"employees":3,"production":0},"2011":{"hours":16140,"employees":8,"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":14,"firstDate":"2002-12-04","lastDate":"2006-07-25","metrics":{"recentRows":0,"actionTaken":14,"maxExposureRatio":0.47,"overExposureLimit":0,"exposureRatioTotal":0.86},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"53970","EVENT_NO":"1130178","SAMPLE_NO":"000000200605725600","SAMPLE_DATE":"07/25/2006","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.31","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2006-07-25"},{"SOURCE_ROW_NUMBER":"52010","EVENT_NO":"1130156","SAMPLE_NO":"000000200604938000","SAMPLE_DATE":"06/15/2006","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.68","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Backhoe Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2006-06-15"},{"SOURCE_ROW_NUMBER":"52009","EVENT_NO":"1130156","SAMPLE_NO":"000000200604937900","SAMPLE_DATE":"06/15/2006","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.27","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Cleanup Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2006-06-15"},{"SOURCE_ROW_NUMBER":"52008","EVENT_NO":"1130156","SAMPLE_NO":"000000200604937800","SAMPLE_DATE":"06/15/2006","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.32","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2006-06-15"},{"SOURCE_ROW_NUMBER":"66328","EVENT_NO":"1126383","SAMPLE_NO":"000000200509791200","SAMPLE_DATE":"10/26/2005","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":"2005-10-26"},{"SOURCE_ROW_NUMBER":"66327","EVENT_NO":"1126383","SAMPLE_NO":"000000200509791100","SAMPLE_DATE":"10/26/2005","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.31","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2005-10-26"},{"SOURCE_ROW_NUMBER":"66326","EVENT_NO":"1126383","SAMPLE_NO":"000000200509791000","SAMPLE_DATE":"10/26/2005","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.20","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2005-10-26"},{"SOURCE_ROW_NUMBER":"66325","EVENT_NO":"1126383","SAMPLE_NO":"000000200509790900","SAMPLE_DATE":"10/26/2005","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.35","EXPOSURE_LIMIT":"0000.74","C_OVER_E":"00.47","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2005-10-26"},{"SOURCE_ROW_NUMBER":"39306","EVENT_NO":"1115458","SAMPLE_NO":"000000200406750300","SAMPLE_DATE":"06/29/2004","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.19","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-06-29"},{"SOURCE_ROW_NUMBER":"39305","EVENT_NO":"1115458","SAMPLE_NO":"000000200406750200","SAMPLE_DATE":"06/29/2004","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.28","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-06-29"},{"SOURCE_ROW_NUMBER":"39304","EVENT_NO":"1115458","SAMPLE_NO":"000000200406750100","SAMPLE_DATE":"06/29/2004","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.36","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Bulldozer Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-06-29"},{"SOURCE_ROW_NUMBER":"15973","EVENT_NO":"1114434","SAMPLE_NO":"000000200209409300","SAMPLE_DATE":"12/04/2002","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.14","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-12-04"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":95,"firstDate":"2000-01-19","lastDate":"2010-10-05","metrics":{"ss":16,"amountDue":26609,"contested":7,"amountPaid":26609,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":36887},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1828533","VIOLATION_NO":"6486100","VIOLATION_ISSUE_DT":"10/05/2010","SIG_SUB":"Y","PART_SECTION":"56.3200","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/18/2010","PROPOSED_PENALTY":"425","AMOUNT_DUE":"425","AMOUNT_PAID":"425","CONTESTED_IND":"N","sourceDate":"2010-10-05"},{"SOURCE_ROW_NUMBER":"1828532","VIOLATION_NO":"6486098","VIOLATION_ISSUE_DT":"10/05/2010","SIG_SUB":"N","PART_SECTION":"56.18002(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/06/2010","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2010-10-05"},{"SOURCE_ROW_NUMBER":"1828552","VIOLATION_NO":"6479752","VIOLATION_ISSUE_DT":"11/18/2009","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/19/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-11-18"},{"SOURCE_ROW_NUMBER":"1828551","VIOLATION_NO":"6479751","VIOLATION_ISSUE_DT":"11/18/2009","SIG_SUB":"Y","PART_SECTION":"56.9300(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/19/2009","PROPOSED_PENALTY":"243","AMOUNT_DUE":"243","AMOUNT_PAID":"243","CONTESTED_IND":"N","sourceDate":"2009-11-18"},{"SOURCE_ROW_NUMBER":"1828550","VIOLATION_NO":"6479750","VIOLATION_ISSUE_DT":"11/18/2009","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"12/07/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-11-18"},{"SOURCE_ROW_NUMBER":"1828549","VIOLATION_NO":"6479749","VIOLATION_ISSUE_DT":"11/17/2009","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/18/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"Y","DOCKET_NO":"WEST 2010-583M","sourceDate":"2009-11-17"},{"SOURCE_ROW_NUMBER":"1828548","VIOLATION_NO":"6479748","VIOLATION_ISSUE_DT":"11/17/2009","SIG_SUB":"N","PART_SECTION":"56.1000","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/18/2009","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2009-11-17"},{"SOURCE_ROW_NUMBER":"1828473","VIOLATION_NO":"6399157","VIOLATION_ISSUE_DT":"01/21/2009","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"01/21/2009","PROPOSED_PENALTY":"108","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"Y","DOCKET_NO":"WEST 2009-684M","sourceDate":"2009-01-21"},{"SOURCE_ROW_NUMBER":"1828531","VIOLATION_NO":"6438607","VIOLATION_ISSUE_DT":"09/23/2008","SIG_SUB":"Y","PART_SECTION":"56.3131","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"09/24/2008","PROPOSED_PENALTY":"540","AMOUNT_DUE":"270","AMOUNT_PAID":"270","CONTESTED_IND":"Y","DOCKET_NO":"WEST 2009-151M","sourceDate":"2008-09-23"},{"SOURCE_ROW_NUMBER":"1828502","VIOLATION_NO":"6398316","VIOLATION_ISSUE_DT":"04/22/2008","SIG_SUB":"N","PART_SECTION":"56.4101","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/23/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-04-22"},{"SOURCE_ROW_NUMBER":"1828501","VIOLATION_NO":"6398315","VIOLATION_ISSUE_DT":"04/22/2008","SIG_SUB":"N","PART_SECTION":"56.12006","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/22/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-04-22"},{"SOURCE_ROW_NUMBER":"1828500","VIOLATION_NO":"6398314","VIOLATION_ISSUE_DT":"04/22/2008","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/22/2008","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2008-04-22"}]}],"safety":{"href":"/api/v1/mines/3503465/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3503465/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":"Correction of hazardous conditions.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3200","part":"56","subchapter":"K","subpart":"B","id":"56.3200","citation":"30 CFR 56.3200","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":"Examination of working places.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002","part":"56","subchapter":"K","subpart":"Q","id":"56.18002","citation":"30 CFR 56.18002","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":3},{"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},{"chapter":"I","heading":"Notification of commencement of operations and closing of mines.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-A/section-56.1000","part":"56","subchapter":"K","subpart":"A","id":"56.1000","citation":"30 CFR 56.1000","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":"Pit or quarry wall perimeter.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-B/section-56.3131","part":"56","subchapter":"K","subpart":"B","id":"56.3131","citation":"30 CFR 56.3131","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Warning signs.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4101","part":"56","subchapter":"K","subpart":"C","id":"56.4101","citation":"30 CFR 56.4101","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Distribution boxes.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12006","part":"56","subchapter":"K","subpart":"K","id":"56.12006","citation":"30 CFR 56.12006","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":"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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"3503465","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}