{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3603229","name":"W L Dunn Const Co","status":"Abandoned","status_date":"2010-06-04","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"PA","county":"Crawford","nearest_town":"Cochranton","operator_id":"L39934","operator_name":"W L Dunn Construction Company","controller_id":"M39934","controller_name":"Walter L  Dunn","district":"M2","office":"Warrendale PA Field Office","employees":0,"latitude":41.5425,"longitude":-80.086944},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":383},"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":"3603229","name":"W L Dunn Const Co"},"operator":{"type":"operator","id":"L39934","name":"W L Dunn Construction Company"},"controller":{"type":"controller","id":"M39934","name":"Walter L  Dunn"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L39934","name":"W L Dunn Construction Company"},"object":{"type":"mine","id":"3603229","name":"W L Dunn Const Co"},"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":"3603229|L39934|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M39934","name":"Walter L  Dunn"},"object":{"type":"mine","id":"3603229","name":"W L Dunn Const Co"},"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":"3603229|M39934|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M39934","name":"Walter L  Dunn"},"object":{"type":"operator","id":"L39934","name":"W L Dunn Construction Company"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3603229","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3603229|L39934|1950-01-01|M39934|1950-01-01|169543"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2010-06-04","lastDate":"2010-06-04","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":86,"firstDate":"2000-04-12","lastDate":"2012-03-01","metrics":{"ss":49,"delinquent":77,"recentRows":0,"paidPenalty":27621.13,"proposedPenalty":49931,"currentAssessment":47346},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2156335","VIOLATION_NO":"8652571","ISSUE_DT":"03/01/2012","CFR_STANDARD_CD":"56.9300(b)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"121.00","CURRENT_ASSESSMENT_AMT":"121.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-03-01"},{"SOURCE_ROW_NUMBER":"2156334","VIOLATION_NO":"8652570","ISSUE_DT":"03/01/2012","CFR_STANDARD_CD":"56.11001","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"112.00","CURRENT_ASSESSMENT_AMT":"112.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-03-01"},{"SOURCE_ROW_NUMBER":"2156333","VIOLATION_NO":"8652569","ISSUE_DT":"03/01/2012","CFR_STANDARD_CD":"56.14100(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-03-01"},{"SOURCE_ROW_NUMBER":"2156332","VIOLATION_NO":"8652568","ISSUE_DT":"03/01/2012","CFR_STANDARD_CD":"56.4201(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"112.00","CURRENT_ASSESSMENT_AMT":"112.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-03-01"},{"SOURCE_ROW_NUMBER":"2156331","VIOLATION_NO":"8652567","ISSUE_DT":"03/01/2012","CFR_STANDARD_CD":"56.14112(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":"2012-03-01"},{"SOURCE_ROW_NUMBER":"2156330","VIOLATION_NO":"8652566","ISSUE_DT":"03/01/2012","CFR_STANDARD_CD":"56.12030","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2012-03-01"},{"SOURCE_ROW_NUMBER":"2142956","VIOLATION_NO":"8647357","ISSUE_DT":"08/24/2011","CFR_STANDARD_CD":"46.9(c)(3)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-08-24"},{"SOURCE_ROW_NUMBER":"2142955","VIOLATION_NO":"8647356","ISSUE_DT":"08/24/2011","CFR_STANDARD_CD":"56.4331","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2011-08-24"},{"SOURCE_ROW_NUMBER":"2142954","VIOLATION_NO":"8647355","ISSUE_DT":"08/24/2011","CFR_STANDARD_CD":"56.20008(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":"2011-08-24"},{"SOURCE_ROW_NUMBER":"180008","VIOLATION_NO":"6056875","ISSUE_DT":"05/24/2010","CFR_STANDARD_CD":"46.11(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"100.00","CURRENT_ASSESSMENT_AMT":"100.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2010-05-24"},{"SOURCE_ROW_NUMBER":"229557","VIOLATION_NO":"6535877","ISSUE_DT":"10/14/2009","CFR_STANDARD_CD":"56.12025","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"460.00","CURRENT_ASSESSMENT_AMT":"460.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-10-14"},{"SOURCE_ROW_NUMBER":"226926","VIOLATION_NO":"6538802","ISSUE_DT":"07/21/2009","CFR_STANDARD_CD":"56.12030","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"308.00","CURRENT_ASSESSMENT_AMT":"308.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2009-07-21"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":12,"firstDate":"2008-11-26","lastDate":"2010-08-19","metrics":{"appeals":0,"decisions":12,"recentRows":0,"decisionPenalty":19200,"originalPenalty":24592},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"244909","VIOLATION_NO":"6065549","DOCKET_NO":"PENN 2009-460M","DECISION_DT":"08/19/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"807.00","DECISION_PENALTY_AMT":"450.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-08-19"},{"SOURCE_ROW_NUMBER":"243864","VIOLATION_NO":"6065551","DOCKET_NO":"PENN 2009-460M","DECISION_DT":"08/19/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-08-19"},{"SOURCE_ROW_NUMBER":"232541","VIOLATION_NO":"6063547","DOCKET_NO":"PENN 2009-167M","DECISION_DT":"08/19/2010","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-08-19"},{"SOURCE_ROW_NUMBER":"38296","VIOLATION_NO":"6065548","DOCKET_NO":"PENN 2009-460M","DECISION_DT":"08/19/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2678.00","DECISION_PENALTY_AMT":"450.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-08-19"},{"SOURCE_ROW_NUMBER":"38013","VIOLATION_NO":"6065550","DOCKET_NO":"PENN 2009-460M","DECISION_DT":"08/19/2010","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"807.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-08-19"},{"SOURCE_ROW_NUMBER":"31739","VIOLATION_NO":"6063546","DOCKET_NO":"PENN 2009-167M","DECISION_DT":"08/19/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"2000.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-08-19"},{"SOURCE_ROW_NUMBER":"203233","VIOLATION_NO":"6045683","DOCKET_NO":"PENN 2007-358M","DECISION_DT":"11/26/2008","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"4000.00","DECISION_PENALTY_AMT":"4000.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2008-11-26"},{"SOURCE_ROW_NUMBER":"202851","VIOLATION_NO":"6045684","DOCKET_NO":"PENN 2007-358M","DECISION_DT":"11/26/2008","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"4000.00","DECISION_PENALTY_AMT":"4000.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2008-11-26"},{"SOURCE_ROW_NUMBER":"202817","VIOLATION_NO":"6045681","DOCKET_NO":"PENN 2007-358M","DECISION_DT":"11/26/2008","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"4000.00","DECISION_PENALTY_AMT":"4000.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2008-11-26"},{"SOURCE_ROW_NUMBER":"202663","VIOLATION_NO":"6045685","DOCKET_NO":"PENN 2007-358M","DECISION_DT":"11/26/2008","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"4000.00","DECISION_PENALTY_AMT":"4000.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2008-11-26"},{"SOURCE_ROW_NUMBER":"202390","VIOLATION_NO":"6045680","DOCKET_NO":"PENN 2007-359M","DECISION_DT":"11/26/2008","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2008-11-26"},{"SOURCE_ROW_NUMBER":"13239","VIOLATION_NO":"6045682","DOCKET_NO":"PENN 2007-359M","DECISION_DT":"11/26/2008","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2008-11-26"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":5,"firstDate":"2008-07-17","lastDate":"2018-11-15","metrics":{"linkedIssuances":5},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":18,"firstDate":"2007-06-19","lastDate":"2009-03-06","metrics":{"decisions":18,"ssChanged":3,"recentRows":0,"decisionPenalty":22200,"proposedPenalty":30592},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"295138","CITATION_NO":"6065548","CITATION_ISSUE_DT":"03/06/2009","DOCKET_NO":"PENN 2009-460M","DECISION_DT":"08/19/2010","CFR_STANDARD_CODE":"56.14100(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2678.00","DECISION_PENALTY_AMT":"450.00","sourceDate":"2009-03-06"},{"SOURCE_ROW_NUMBER":"293791","CITATION_NO":"6065551","CITATION_ISSUE_DT":"03/06/2009","DOCKET_NO":"PENN 2009-460M","DECISION_DT":"08/19/2010","CFR_STANDARD_CODE":"56.14100(d)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-03-06"},{"SOURCE_ROW_NUMBER":"69569","CITATION_NO":"6065550","CITATION_ISSUE_DT":"03/06/2009","DOCKET_NO":"PENN 2009-460M","DECISION_DT":"08/19/2010","CFR_STANDARD_CODE":"56.14130(a)(6)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"807.00","DECISION_PENALTY_AMT":".00","sourceDate":"2009-03-06"},{"SOURCE_ROW_NUMBER":"12026","CITATION_NO":"6065549","CITATION_ISSUE_DT":"03/06/2009","DOCKET_NO":"PENN 2009-460M","DECISION_DT":"08/19/2010","CFR_STANDARD_CODE":"56.14131(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"807.00","DECISION_PENALTY_AMT":"450.00","sourceDate":"2009-03-06"},{"SOURCE_ROW_NUMBER":"291325","CITATION_NO":"6063547-00007253A","CITATION_ISSUE_DT":"08/27/2008","DOCKET_NO":"PENN 2009-794M","DECISION_DT":"08/19/2010","CFR_STANDARD_CODE":"56.11001","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1000.00","DECISION_PENALTY_AMT":".00","sourceDate":"2008-08-27"},{"SOURCE_ROW_NUMBER":"291241","CITATION_NO":"6063547","CITATION_ISSUE_DT":"08/27/2008","DOCKET_NO":"PENN 2009-167M","DECISION_DT":"08/19/2010","CFR_STANDARD_CODE":"56.11001","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":".00","sourceDate":"2008-08-27"},{"SOURCE_ROW_NUMBER":"234868","CITATION_NO":"6063546-00007253A","CITATION_ISSUE_DT":"08/27/2008","DOCKET_NO":"PENN 2009-794M","DECISION_DT":"08/19/2010","CFR_STANDARD_CODE":"56.18002(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1000.00","DECISION_PENALTY_AMT":"1000.00","sourceDate":"2008-08-27"},{"SOURCE_ROW_NUMBER":"233798","CITATION_NO":"6063546","CITATION_ISSUE_DT":"08/27/2008","DOCKET_NO":"PENN 2009-167M","DECISION_DT":"08/19/2010","CFR_STANDARD_CODE":"56.18002(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"2000.00","sourceDate":"2008-08-27"},{"SOURCE_ROW_NUMBER":"287796","CITATION_NO":"6045680","CITATION_ISSUE_DT":"06/19/2007","DOCKET_NO":"PENN 2007-359M","DECISION_DT":"11/26/2008","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":"2007-06-19"},{"SOURCE_ROW_NUMBER":"287433","CITATION_NO":"6045685-00004117A","CITATION_ISSUE_DT":"06/19/2007","DOCKET_NO":"PENN 2008-380M","DECISION_DT":"12/17/2008","CFR_STANDARD_CODE":"56.18002(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1000.00","DECISION_PENALTY_AMT":"500.00","sourceDate":"2007-06-19"},{"SOURCE_ROW_NUMBER":"287421","CITATION_NO":"6045684-00004117A","CITATION_ISSUE_DT":"06/19/2007","DOCKET_NO":"PENN 2008-380M","DECISION_DT":"12/17/2008","CFR_STANDARD_CODE":"56.9300(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1000.00","DECISION_PENALTY_AMT":"500.00","sourceDate":"2007-06-19"},{"SOURCE_ROW_NUMBER":"230116","CITATION_NO":"6045683","CITATION_ISSUE_DT":"06/19/2007","DOCKET_NO":"PENN 2007-358M","DECISION_DT":"11/26/2008","CFR_STANDARD_CODE":"56.9300(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"4000.00","DECISION_PENALTY_AMT":"4000.00","sourceDate":"2007-06-19"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":1,"firstDate":"1950-01-01","lastDate":"1950-01-01","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":42,"firstDate":"2000-04-12","lastDate":"2012-04-11","metrics":{"inspectors":45,"recentRows":0,"onSiteHours":305,"inspectionHours":560.75,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"166517","EVENT_NO":"6568111","INSPECTION_BEGIN_DT":"04/11/2012","INSPECTION_END_DT":"04/11/2012","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2012-04-11"},{"SOURCE_ROW_NUMBER":"873438","EVENT_NO":"6568108","INSPECTION_BEGIN_DT":"03/30/2012","INSPECTION_END_DT":"03/30/2012","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2012-03-30"},{"SOURCE_ROW_NUMBER":"63525","EVENT_NO":"6569796","INSPECTION_BEGIN_DT":"02/29/2012","INSPECTION_END_DT":"03/05/2012","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"18.75","SUM_TOTAL_ON_SITE_HOURS":"8.25","sourceDate":"2012-02-29"},{"SOURCE_ROW_NUMBER":"316262","EVENT_NO":"6563772","INSPECTION_BEGIN_DT":"08/24/2011","INSPECTION_END_DT":"08/30/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"34.5","SUM_TOTAL_ON_SITE_HOURS":"12","sourceDate":"2011-08-24"},{"SOURCE_ROW_NUMBER":"59717","EVENT_NO":"0899476","INSPECTION_BEGIN_DT":"03/16/2011","INSPECTION_END_DT":"03/17/2011","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"3.5","sourceDate":"2011-03-16"},{"SOURCE_ROW_NUMBER":"808565","EVENT_NO":"0899460","INSPECTION_BEGIN_DT":"12/15/2010","INSPECTION_END_DT":"12/15/2010","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2010-12-15"},{"SOURCE_ROW_NUMBER":"782882","EVENT_NO":"0912556","INSPECTION_BEGIN_DT":"07/19/2010","INSPECTION_END_DT":"07/21/2010","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.25","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2010-07-19"},{"SOURCE_ROW_NUMBER":"243471","EVENT_NO":"0878606","INSPECTION_BEGIN_DT":"05/24/2010","INSPECTION_END_DT":"05/26/2010","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11.75","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2010-05-24"},{"SOURCE_ROW_NUMBER":"259182","EVENT_NO":"0907549","INSPECTION_BEGIN_DT":"10/14/2009","INSPECTION_END_DT":"10/16/2009","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.5","SUM_TOTAL_ON_SITE_HOURS":"10.5","sourceDate":"2009-10-14"},{"SOURCE_ROW_NUMBER":"390296","EVENT_NO":"0906234","INSPECTION_BEGIN_DT":"09/01/2009","INSPECTION_END_DT":"09/02/2009","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.75","SUM_TOTAL_ON_SITE_HOURS":"10.75","sourceDate":"2009-09-01"},{"SOURCE_ROW_NUMBER":"357288","EVENT_NO":"0906222","INSPECTION_BEGIN_DT":"07/21/2009","INSPECTION_END_DT":"07/21/2009","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2009-07-21"},{"SOURCE_ROW_NUMBER":"921279","EVENT_NO":"0906219","INSPECTION_BEGIN_DT":"07/07/2009","INSPECTION_END_DT":"07/07/2009","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"5.5","sourceDate":"2009-07-07"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":91,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2011-Q4":{"hours":1520,"employees":3,"production":0},"2011-Q3":{"hours":2079,"employees":4,"production":0},"2011-Q2":{"hours":2245,"employees":4,"production":0},"2011-Q1":{"hours":0,"employees":0,"production":0},"2010-Q4":{"hours":720,"employees":4,"production":0},"2010-Q3":{"hours":1318,"employees":3,"production":0},"2010-Q2":{"hours":1326,"employees":4,"production":0},"2010-Q1":{"hours":1116,"employees":4,"production":0},"2009-Q4":{"hours":1312,"employees":3,"production":0},"2009-Q3":{"hours":1322,"employees":3,"production":0},"2009-Q2":{"hours":2201,"employees":4,"production":0},"2009-Q1":{"hours":1176,"employees":4,"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":10223,"employees":5,"production":0},"2003":{"hours":10217,"employees":5,"production":0},"2004":{"hours":10327,"employees":5,"production":0},"2005":{"hours":8430,"employees":4,"production":0},"2006":{"hours":9592,"employees":4,"production":0},"2007":{"hours":9710,"employees":5,"production":0},"2008":{"hours":8149,"employees":5,"production":0},"2009":{"hours":6011,"employees":4,"production":0},"2010":{"hours":4480,"employees":4,"production":0},"2011":{"hours":5844,"employees":4,"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":10,"firstDate":"2002-07-16","lastDate":"2009-09-02","metrics":{"recentRows":0,"actionTaken":10,"maxExposureRatio":0.71,"overExposureLimit":0,"exposureRatioTotal":2.53},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"106460","EVENT_NO":"0906234","SAMPLE_NO":"000000200908472700","SAMPLE_DATE":"09/02/2009","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Truck Driver","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2009-09-02"},{"SOURCE_ROW_NUMBER":"106459","EVENT_NO":"0906234","SAMPLE_NO":"000000200908472600","SAMPLE_DATE":"09/02/2009","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":"2009-09-02"},{"SOURCE_ROW_NUMBER":"106458","EVENT_NO":"0906234","SAMPLE_NO":"000000200908472500","SAMPLE_DATE":"09/02/2009","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2009-09-02"},{"SOURCE_ROW_NUMBER":"106457","EVENT_NO":"0906234","SAMPLE_NO":"000000200908472400","SAMPLE_DATE":"09/02/2009","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Scale Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2009-09-02"},{"SOURCE_ROW_NUMBER":"36563","EVENT_NO":"0876112","SAMPLE_NO":"000000200405712900","SAMPLE_DATE":"06/23/2004","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.29","EXPOSURE_LIMIT":"0000.62","C_OVER_E":"00.47","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-06-23"},{"SOURCE_ROW_NUMBER":"36562","EVENT_NO":"0876112","SAMPLE_NO":"000000200405712800","SAMPLE_DATE":"06/23/2004","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.28","EXPOSURE_LIMIT":"0001.06","C_OVER_E":"00.26","JOB_CD_DESC":"Truck Driver","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-06-23"},{"SOURCE_ROW_NUMBER":"36561","EVENT_NO":"0876112","SAMPLE_NO":"000000200405712700","SAMPLE_DATE":"06/23/2004","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.17","EXPOSURE_LIMIT":"0000.78","C_OVER_E":"00.22","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2004-06-23"},{"SOURCE_ROW_NUMBER":"18400","EVENT_NO":"0865021","SAMPLE_NO":"000000200205273200","SAMPLE_DATE":"07/16/2002","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.26","EXPOSURE_LIMIT":"0000.50","C_OVER_E":"00.52","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-07-16"},{"SOURCE_ROW_NUMBER":"18399","EVENT_NO":"0865021","SAMPLE_NO":"000000200205273100","SAMPLE_DATE":"07/16/2002","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.28","EXPOSURE_LIMIT":"0000.80","C_OVER_E":"00.35","JOB_CD_DESC":"Truck Driver","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-07-16"},{"SOURCE_ROW_NUMBER":"18398","EVENT_NO":"0865021","SAMPLE_NO":"000000200205273000","SAMPLE_DATE":"07/16/2002","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.39","EXPOSURE_LIMIT":"0000.55","C_OVER_E":"00.71","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2002-07-16"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":92,"firstDate":"2000-04-12","lastDate":"2012-03-22","metrics":{"ss":49,"amountDue":47346,"contested":10,"amountPaid":27621.13,"recentRows":0,"section104d":17,"unterminated":5,"proposedPenalty":49931},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1877615","VIOLATION_NO":"8650461","VIOLATION_ISSUE_DT":"03/22/2012","PART_SECTION":"56.9300(b)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"03/22/2012","CONTESTED_IND":"N","sourceDate":"2012-03-22"},{"SOURCE_ROW_NUMBER":"1877614","VIOLATION_NO":"8650460","VIOLATION_ISSUE_DT":"03/22/2012","PART_SECTION":"56.11001","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"03/22/2012","CONTESTED_IND":"N","sourceDate":"2012-03-22"},{"SOURCE_ROW_NUMBER":"1877613","VIOLATION_NO":"8650459","VIOLATION_ISSUE_DT":"03/22/2012","PART_SECTION":"56.4201(a)(1)","CIT_ORD_SAFE":"Order","NO_AFFECTED":"0","TERMINATION_DT":"03/22/2012","CONTESTED_IND":"N","sourceDate":"2012-03-22"},{"SOURCE_ROW_NUMBER":"1877621","VIOLATION_NO":"8652571","VIOLATION_ISSUE_DT":"03/01/2012","SIG_SUB":"Y","PART_SECTION":"56.9300(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","PROPOSED_PENALTY":"121","AMOUNT_DUE":"121","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2012-03-01"},{"SOURCE_ROW_NUMBER":"1877620","VIOLATION_NO":"8652570","VIOLATION_ISSUE_DT":"03/01/2012","SIG_SUB":"Y","PART_SECTION":"56.11001","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","PROPOSED_PENALTY":"112","AMOUNT_DUE":"112","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2012-03-01"},{"SOURCE_ROW_NUMBER":"1877619","VIOLATION_NO":"8652569","VIOLATION_ISSUE_DT":"03/01/2012","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/11/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2012-03-01"},{"SOURCE_ROW_NUMBER":"1877618","VIOLATION_NO":"8652568","VIOLATION_ISSUE_DT":"03/01/2012","SIG_SUB":"N","PART_SECTION":"56.4201(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","PROPOSED_PENALTY":"112","AMOUNT_DUE":"112","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2012-03-01"},{"SOURCE_ROW_NUMBER":"1877617","VIOLATION_NO":"8652567","VIOLATION_ISSUE_DT":"03/01/2012","SIG_SUB":"Y","PART_SECTION":"56.14112(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/11/2012","PROPOSED_PENALTY":"243","AMOUNT_DUE":"243","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2012-03-01"},{"SOURCE_ROW_NUMBER":"1877616","VIOLATION_NO":"8652566","VIOLATION_ISSUE_DT":"03/01/2012","SIG_SUB":"Y","PART_SECTION":"56.12030","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"03/22/2012","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"0","CONTESTED_IND":"N","sourceDate":"2012-03-01"},{"SOURCE_ROW_NUMBER":"1877669","VIOLATION_NO":"8647357","VIOLATION_ISSUE_DT":"08/24/2011","SIG_SUB":"N","PART_SECTION":"46.9(c)(3)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/30/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-08-24"},{"SOURCE_ROW_NUMBER":"1877668","VIOLATION_NO":"8647356","VIOLATION_ISSUE_DT":"08/24/2011","SIG_SUB":"N","PART_SECTION":"56.4331","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/29/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-08-24"},{"SOURCE_ROW_NUMBER":"1877667","VIOLATION_NO":"8647355","VIOLATION_ISSUE_DT":"08/24/2011","SIG_SUB":"N","PART_SECTION":"56.20008(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/29/2011","PROPOSED_PENALTY":"100","AMOUNT_DUE":"100","AMOUNT_PAID":"100","CONTESTED_IND":"N","sourceDate":"2011-08-24"}]}],"safety":{"href":"/api/v1/mines/3603229/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3603229/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":"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":2},{"chapter":"I","heading":"Safe access.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001","part":"56","subchapter":"K","subpart":"J","id":"56.11001","citation":"30 CFR 56.11001","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Inspection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4201","part":"56","subchapter":"K","subpart":"C","id":"56.4201","citation":"30 CFR 56.4201","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"chapter":"I","heading":"Safety defects; examination, correction and records.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100","part":"56","subchapter":"K","subpart":"M","id":"56.14100","citation":"30 CFR 56.14100","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Construction and maintenance of guards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112","part":"56","subchapter":"K","subpart":"M","id":"56.14112","citation":"30 CFR 56.14112","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":"Correction of dangerous conditions.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030","part":"56","subchapter":"K","subpart":"K","id":"56.12030","citation":"30 CFR 56.12030","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Records of training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.9","part":"46","subchapter":"H","subpart":"","id":"46.9","citation":"30 CFR 46.9","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER H—EDUCATION AND TRAINING","partHeading":"PART 46—TRAINING AND RETRAINING OF MINERS ENGAGED IN SHELL DREDGING OR EMPLOYED AT SAND, GRAVEL, SURFACE STONE, SURFACE CLAY, COLLOIDAL PHOSPHATE, OR SURFACE LIMESTONE MINES.","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Firefighting drills.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4331","part":"56","subchapter":"K","subpart":"C","id":"56.4331","citation":"30 CFR 56.4331","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":"Toilet facilities.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20008","part":"56","subchapter":"K","subpart":"S","id":"56.20008","citation":"30 CFR 56.20008","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":"3603229","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}