{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"3609596","name":"Holbert Bros. Bluestone Co.","status":"Intermittent","status_date":"2015-10-01","mine_type":"Surface","coal_metal":"M","commodity":"Dimension Stone NEC","state":"PA","county":"Pike","nearest_town":"Lackawaxin","operator_id":"0087924","operator_name":"Holbert Bros. Bluestone Co.","controller_id":"0073891","controller_name":"Wayne Donald  Holbert","district":"M2","office":"Kutztown PA Field Office","employees":4,"latitude":41.503056,"longitude":-74.986111},"coverage":{"contributingSources":14,"registeredSources":20,"sourceRows":360},"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":"3609596","name":"Holbert Bros. Bluestone Co."},"operator":{"type":"operator","id":"0087924","name":"Holbert Bros. Bluestone Co."},"controller":{"type":"controller","id":"0073891","name":"Wayne Donald  Holbert"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0087924","name":"Holbert Bros. Bluestone Co."},"object":{"type":"mine","id":"3609596","name":"Holbert Bros. Bluestone Co."},"validFrom":"2008-03-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609596|0087924|2008-03-13|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0073891","name":"Wayne Donald  Holbert"},"object":{"type":"mine","id":"3609596","name":"Holbert Bros. Bluestone Co."},"validFrom":"2008-03-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609596|0073891|2008-03-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0073891","name":"Wayne Donald  Holbert"},"object":{"type":"operator","id":"0087924","name":"Holbert Bros. Bluestone Co."},"validFrom":"2008-03-13","validTo":null,"current":true,"derived":true,"evidenceMineId":"3609596","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3609596|0087924|2008-03-13|0073891|2008-03-13|11499"}}],"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":"2015-10-01","lastDate":"2015-10-01","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":53,"firstDate":"2008-03-19","lastDate":"2026-06-18","metrics":{"ss":12,"delinquent":42,"recentRows":11,"paidPenalty":7768,"proposedPenalty":8480,"currentAssessment":7768},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3041155","VIOLATION_NO":"5078933","ISSUE_DT":"06/18/2026","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2026-06-18"},{"SOURCE_ROW_NUMBER":"3010855","VIOLATION_NO":"5073659","ISSUE_DT":"09/23/2025","CFR_STANDARD_CD":"50.30(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-09-23"},{"SOURCE_ROW_NUMBER":"3010854","VIOLATION_NO":"5073658","ISSUE_DT":"09/23/2025","CFR_STANDARD_CD":"56.14100(c)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-09-23"},{"SOURCE_ROW_NUMBER":"2733187","VIOLATION_NO":"9719387","ISSUE_DT":"11/09/2023","CFR_STANDARD_CD":"50.30(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-11-09"},{"SOURCE_ROW_NUMBER":"2722644","VIOLATION_NO":"9712143","ISSUE_DT":"10/13/2022","CFR_STANDARD_CD":"50.30(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-10-13"},{"SOURCE_ROW_NUMBER":"2722643","VIOLATION_NO":"9712142","ISSUE_DT":"10/13/2022","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-10-13"},{"SOURCE_ROW_NUMBER":"2722642","VIOLATION_NO":"9712141","ISSUE_DT":"10/13/2022","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-10-13"},{"SOURCE_ROW_NUMBER":"2722641","VIOLATION_NO":"9712140","ISSUE_DT":"10/13/2022","CFR_STANDARD_CD":"56.14101(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-10-13"},{"SOURCE_ROW_NUMBER":"2683671","VIOLATION_NO":"9663054","ISSUE_DT":"10/13/2021","CFR_STANDARD_CD":"56.4201(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-10-13"},{"SOURCE_ROW_NUMBER":"2683670","VIOLATION_NO":"9663053","ISSUE_DT":"10/13/2021","CFR_STANDARD_CD":"56.14132(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-10-13"},{"SOURCE_ROW_NUMBER":"2671610","VIOLATION_NO":"9523656","ISSUE_DT":"03/25/2021","CFR_STANDARD_CD":"56.14112(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-03-25"},{"SOURCE_ROW_NUMBER":"2551935","VIOLATION_NO":"9465908","ISSUE_DT":"08/01/2019","CFR_STANDARD_CD":"56.15004","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"132.00","CURRENT_ASSESSMENT_AMT":"132.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-08-01"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":16,"firstDate":"2011-06-21","lastDate":"2013-01-16","metrics":{"appeals":0,"decisions":16,"recentRows":0,"decisionPenalty":1831,"originalPenalty":2643},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"329211","VIOLATION_NO":"8657869","DOCKET_NO":"PENN 2012-389M","DECISION_DT":"01/16/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"162.00","DECISION_PENALTY_AMT":"162.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Simonton","sourceDate":"2013-01-16"},{"SOURCE_ROW_NUMBER":"329210","VIOLATION_NO":"8657868","DOCKET_NO":"PENN 2012-389M","DECISION_DT":"01/16/2013","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"362.00","DECISION_PENALTY_AMT":"163.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Simonton","sourceDate":"2013-01-16"},{"SOURCE_ROW_NUMBER":"261844","VIOLATION_NO":"6539237","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Janet","JUDGE_LAST_NAME":"Harner","sourceDate":"2011-07-25"},{"SOURCE_ROW_NUMBER":"261843","VIOLATION_NO":"6539222","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"807.00","DECISION_PENALTY_AMT":"294.00","JUDGE_FIRST_NAME":"Janet","JUDGE_LAST_NAME":"Harner","sourceDate":"2011-07-25"},{"SOURCE_ROW_NUMBER":"261407","VIOLATION_NO":"6539219","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Janet","JUDGE_LAST_NAME":"Harner","sourceDate":"2011-07-25"},{"SOURCE_ROW_NUMBER":"261153","VIOLATION_NO":"6539235","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Janet","JUDGE_LAST_NAME":"Harner","sourceDate":"2011-07-25"},{"SOURCE_ROW_NUMBER":"260654","VIOLATION_NO":"6539239","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Janet","JUDGE_LAST_NAME":"Harner","sourceDate":"2011-07-25"},{"SOURCE_ROW_NUMBER":"260653","VIOLATION_NO":"6539234","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Janet","JUDGE_LAST_NAME":"Harner","sourceDate":"2011-07-25"},{"SOURCE_ROW_NUMBER":"48390","VIOLATION_NO":"6539238","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Janet","JUDGE_LAST_NAME":"Harner","sourceDate":"2011-07-25"},{"SOURCE_ROW_NUMBER":"48389","VIOLATION_NO":"6539236","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Janet","JUDGE_LAST_NAME":"Harner","sourceDate":"2011-07-25"},{"SOURCE_ROW_NUMBER":"48388","VIOLATION_NO":"6539220","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Janet","JUDGE_LAST_NAME":"Harner","sourceDate":"2011-07-25"},{"SOURCE_ROW_NUMBER":"48090","VIOLATION_NO":"6539221","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Janet","JUDGE_LAST_NAME":"Harner","sourceDate":"2011-07-25"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":2,"firstDate":"2015-11-19","lastDate":"2023-02-28","metrics":{"linkedIssuances":2},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":16,"firstDate":"2009-09-02","lastDate":"2012-05-02","metrics":{"decisions":16,"ssChanged":1,"recentRows":0,"decisionPenalty":1831,"proposedPenalty":2643},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"317580","CITATION_NO":"8657868","CITATION_ISSUE_DT":"05/02/2012","DOCKET_NO":"PENN 2012-389M","DECISION_DT":"01/16/2013","CFR_STANDARD_CODE":"56.14100(b)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"362.00","DECISION_PENALTY_AMT":"163.00","sourceDate":"2012-05-02"},{"SOURCE_ROW_NUMBER":"204630","CITATION_NO":"8657869","CITATION_ISSUE_DT":"05/02/2012","DOCKET_NO":"PENN 2012-389M","DECISION_DT":"01/16/2013","CFR_STANDARD_CODE":"56.12021","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"162.00","DECISION_PENALTY_AMT":"162.00","sourceDate":"2012-05-02"},{"SOURCE_ROW_NUMBER":"415527","CITATION_NO":"8575352","CITATION_ISSUE_DT":"06/09/2010","DOCKET_NO":"PENN 2010-717M","DECISION_DT":"06/21/2011","CFR_STANDARD_CODE":"56.4101","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":".00","sourceDate":"2010-06-09"},{"SOURCE_ROW_NUMBER":"302005","CITATION_NO":"8575354","CITATION_ISSUE_DT":"06/09/2010","DOCKET_NO":"PENN 2010-717M","DECISION_DT":"06/21/2011","CFR_STANDARD_CODE":"56.14132(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2010-06-09"},{"SOURCE_ROW_NUMBER":"191715","CITATION_NO":"8575353","CITATION_ISSUE_DT":"06/09/2010","DOCKET_NO":"PENN 2010-717M","DECISION_DT":"06/21/2011","CFR_STANDARD_CODE":"56.4402","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2010-06-09"},{"SOURCE_ROW_NUMBER":"19677","CITATION_NO":"8575351","CITATION_ISSUE_DT":"06/09/2010","DOCKET_NO":"PENN 2010-717M","DECISION_DT":"06/21/2011","CFR_STANDARD_CODE":"46.8(a)(1)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"112.00","DECISION_PENALTY_AMT":"112.00","sourceDate":"2010-06-09"},{"SOURCE_ROW_NUMBER":"353181","CITATION_NO":"6539235","CITATION_ISSUE_DT":"09/14/2009","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","CFR_STANDARD_CODE":"50.30(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"183424","CITATION_NO":"6539239","CITATION_ISSUE_DT":"09/14/2009","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","CFR_STANDARD_CODE":"50.30(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"182518","CITATION_NO":"6539237","CITATION_ISSUE_DT":"09/14/2009","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","CFR_STANDARD_CODE":"50.30(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"71025","CITATION_NO":"6539236","CITATION_ISSUE_DT":"09/14/2009","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","CFR_STANDARD_CODE":"50.30(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"70122","CITATION_NO":"6539234","CITATION_ISSUE_DT":"09/14/2009","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","CFR_STANDARD_CODE":"50.30(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-09-14"},{"SOURCE_ROW_NUMBER":"13945","CITATION_NO":"6539238","CITATION_ISSUE_DT":"09/14/2009","DOCKET_NO":"PENN 2010-165M","DECISION_DT":"07/25/2011","CFR_STANDARD_CODE":"50.30(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2009-09-14"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":12,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-yearly","name":"Contractor Employment and Production — Yearly","domains":["contractors","production","safety"],"products":["long-run contractor trend","annual denominator reconciliation"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":1,"firstDate":"2008-03-13","lastDate":"2008-03-13","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":25,"firstDate":"2008-03-19","lastDate":"2026-09-15","metrics":{"inspectors":25,"recentRows":8,"onSiteHours":188,"inspectionHours":382.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"807851","EVENT_NO":"F04BBB2","INSPECTION_BEGIN_DT":"09/15/2026","INSPECTION_END_DT":"09/17/2026","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.75","SUM_TOTAL_ON_SITE_HOURS":"8.75","sourceDate":"2026-09-15"},{"SOURCE_ROW_NUMBER":"211199","EVENT_NO":"F046B97","INSPECTION_BEGIN_DT":"06/18/2026","INSPECTION_END_DT":"06/18/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2026-06-18"},{"SOURCE_ROW_NUMBER":"874125","EVENT_NO":"F0281B7","INSPECTION_BEGIN_DT":"09/22/2025","INSPECTION_END_DT":"09/23/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2025-09-22"},{"SOURCE_ROW_NUMBER":"1029646","EVENT_NO":"6926944","INSPECTION_BEGIN_DT":"11/09/2023","INSPECTION_END_DT":"11/13/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"2","sourceDate":"2023-11-09"},{"SOURCE_ROW_NUMBER":"969601","EVENT_NO":"6921840","INSPECTION_BEGIN_DT":"10/12/2022","INSPECTION_END_DT":"10/27/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2022-10-12"},{"SOURCE_ROW_NUMBER":"419110","EVENT_NO":"6898727","INSPECTION_BEGIN_DT":"10/18/2021","INSPECTION_END_DT":"10/18/2021","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6","SUM_TOTAL_ON_SITE_HOURS":"1.5","sourceDate":"2021-10-18"},{"SOURCE_ROW_NUMBER":"980475","EVENT_NO":"6898726","INSPECTION_BEGIN_DT":"10/13/2021","INSPECTION_END_DT":"10/13/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.25","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2021-10-13"},{"SOURCE_ROW_NUMBER":"429065","EVENT_NO":"6892004","INSPECTION_BEGIN_DT":"03/25/2021","INSPECTION_END_DT":"03/25/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.75","SUM_TOTAL_ON_SITE_HOURS":"4.75","sourceDate":"2021-03-25"},{"SOURCE_ROW_NUMBER":"377710","EVENT_NO":"6893535","INSPECTION_BEGIN_DT":"03/11/2020","INSPECTION_END_DT":"03/19/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"10.5","sourceDate":"2020-03-11"},{"SOURCE_ROW_NUMBER":"347934","EVENT_NO":"6814024","INSPECTION_BEGIN_DT":"08/01/2019","INSPECTION_END_DT":"08/01/2019","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.5","SUM_TOTAL_ON_SITE_HOURS":"5.25","sourceDate":"2019-08-01"},{"SOURCE_ROW_NUMBER":"242017","EVENT_NO":"6759885","INSPECTION_BEGIN_DT":"09/17/2018","INSPECTION_END_DT":"09/21/2018","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"4.25","sourceDate":"2018-09-17"},{"SOURCE_ROW_NUMBER":"1067548","EVENT_NO":"6757999","INSPECTION_BEGIN_DT":"08/10/2017","INSPECTION_END_DT":"09/05/2017","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.5","SUM_TOTAL_ON_SITE_HOURS":"9.5","sourceDate":"2017-08-10"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":136,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2025-Q3":{"hours":1192,"employees":3,"production":0},"2025-Q2":{"hours":1192,"employees":3,"production":0},"2024-Q3":{"hours":1182,"employees":3,"production":0},"2024-Q2":{"hours":1245,"employees":3,"production":0},"2024-Q1":{"hours":948,"employees":3,"production":0},"2023-Q3":{"hours":1280,"employees":3,"production":0},"2023-Q2":{"hours":1312,"employees":3,"production":0},"2023-Q1":{"hours":209,"employees":3,"production":0},"2022-Q4":{"hours":1138,"employees":3,"production":0},"2022-Q3":{"hours":1249,"employees":3,"production":0},"2022-Q2":{"hours":610,"employees":2,"production":0},"2022-Q1":{"hours":30,"employees":1,"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":36,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2016":{"hours":3909,"employees":3,"production":0},"2017":{"hours":2804,"employees":4,"production":0},"2018":{"hours":2117,"employees":2,"production":0},"2019":{"hours":2285,"employees":2,"production":0},"2020":{"hours":1335,"employees":2,"production":0},"2021":{"hours":1332,"employees":3,"production":0},"2022":{"hours":3027,"employees":3,"production":0},"2023":{"hours":2801,"employees":3,"production":0},"2024":{"hours":3375,"employees":3,"production":0},"2025":{"hours":2384,"employees":3,"production":0}},"recentRecords":[]},{"id":"msha-mines","name":"Mines","domains":["identity","production","logistics"],"products":["mine identity","status","commodity","location","operator and controller"],"rowCount":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-personal-health-samples","name":"Metal and Nonmetal Personal Health Samples","domains":["health","safety"],"products":["personal exposure trend","occupation patterns","analyte coverage"],"rowCount":7,"firstDate":"2010-06-14","lastDate":"2026-09-16","metrics":{"recentRows":1,"actionTaken":7,"maxExposureRatio":6.58,"overExposureLimit":2,"exposureRatioTotal":9.99},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"315661","EVENT_NO":"F04BBB2","SAMPLE_NO":"000000202603850300","SAMPLE_DATE":"09/16/2026","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Supervisor, Co. Official","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2026-09-16"},{"SOURCE_ROW_NUMBER":"232161","EVENT_NO":"6893535","SAMPLE_NO":"000000202001192100","SAMPLE_DATE":"03/12/2020","CONTAMINANT_DESC":"Nuisance dust, total, <1% Qtz","CONCENTRATION":"0000.54","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"00.05","JOB_CD_DESC":"Cutting Mach Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2020-03-12"},{"SOURCE_ROW_NUMBER":"206493","EVENT_NO":"6757999","SAMPLE_NO":"000000201704597800","SAMPLE_DATE":"08/10/2017","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.17","EXPOSURE_LIMIT":"0000.27","C_OVER_E":"00.63","JOB_CD_DESC":"Drill Operator, Rotary Air","ACTION_TAKEN_DESC":"CITATION/ORDER TERMINATED","sourceDate":"2017-08-10"},{"SOURCE_ROW_NUMBER":"206492","EVENT_NO":"6757999","SAMPLE_NO":"000000201704597700","SAMPLE_DATE":"08/10/2017","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.13","EXPOSURE_LIMIT":"0000.47","C_OVER_E":"00.28","JOB_CD_DESC":"Stone Polisher/Cutter","ACTION_TAKEN_DESC":"CITATION/ORDER TERMINATED","sourceDate":"2017-08-10"},{"SOURCE_ROW_NUMBER":"213531","EVENT_NO":"6757990","SAMPLE_NO":"000000201704289300","SAMPLE_DATE":"07/26/2017","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.71","EXPOSURE_LIMIT":"0000.29","C_OVER_E":"02.45","JOB_CD_DESC":"Stone Polisher/Cutter","ACTION_TAKEN_DESC":"CITATION/ORDER ISSUED","sourceDate":"2017-07-26"},{"SOURCE_ROW_NUMBER":"213530","EVENT_NO":"6757990","SAMPLE_NO":"000000201704289200","SAMPLE_DATE":"07/26/2017","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0004.21","EXPOSURE_LIMIT":"0000.64","C_OVER_E":"06.58","JOB_CD_DESC":"Drill Operator, Rotary Air","ACTION_TAKEN_DESC":"CITATION/ORDER ISSUED","sourceDate":"2017-07-26"},{"SOURCE_ROW_NUMBER":"101510","EVENT_NO":"0910596","SAMPLE_NO":"000000201005698400","SAMPLE_DATE":"06/14/2010","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Stone Polisher/Cutter","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2010-06-14"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":53,"firstDate":"2008-03-19","lastDate":"2026-06-18","metrics":{"ss":12,"amountDue":7768,"contested":13,"amountPaid":7768,"recentRows":11,"section104d":0,"unterminated":0,"proposedPenalty":8480},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1992369","VIOLATION_NO":"5078933","VIOLATION_ISSUE_DT":"06/18/2026","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"06/18/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-06-18"},{"SOURCE_ROW_NUMBER":"1992398","VIOLATION_NO":"5073659","VIOLATION_ISSUE_DT":"09/23/2025","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/23/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-09-23"},{"SOURCE_ROW_NUMBER":"1992397","VIOLATION_NO":"5073658","VIOLATION_ISSUE_DT":"09/23/2025","SIG_SUB":"N","PART_SECTION":"56.14100(c)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"09/23/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-09-23"},{"SOURCE_ROW_NUMBER":"1992406","VIOLATION_NO":"9719387","VIOLATION_ISSUE_DT":"11/09/2023","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"11/09/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-11-09"},{"SOURCE_ROW_NUMBER":"1992402","VIOLATION_NO":"9712143","VIOLATION_ISSUE_DT":"10/13/2022","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/13/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-10-13"},{"SOURCE_ROW_NUMBER":"1992401","VIOLATION_NO":"9712142","VIOLATION_ISSUE_DT":"10/13/2022","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/13/2022","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2022-10-13"},{"SOURCE_ROW_NUMBER":"1992400","VIOLATION_NO":"9712141","VIOLATION_ISSUE_DT":"10/13/2022","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/13/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-10-13"},{"SOURCE_ROW_NUMBER":"1992399","VIOLATION_NO":"9712140","VIOLATION_ISSUE_DT":"10/13/2022","SIG_SUB":"N","PART_SECTION":"56.14101(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/27/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-10-13"},{"SOURCE_ROW_NUMBER":"1992404","VIOLATION_NO":"9663054","VIOLATION_ISSUE_DT":"10/13/2021","SIG_SUB":"N","PART_SECTION":"56.4201(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/18/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-10-13"},{"SOURCE_ROW_NUMBER":"1992403","VIOLATION_NO":"9663053","VIOLATION_ISSUE_DT":"10/13/2021","SIG_SUB":"N","PART_SECTION":"56.14132(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"10/18/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-10-13"},{"SOURCE_ROW_NUMBER":"1992363","VIOLATION_NO":"9523656","VIOLATION_ISSUE_DT":"03/25/2021","SIG_SUB":"N","PART_SECTION":"56.14112(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/25/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-03-25"},{"SOURCE_ROW_NUMBER":"1992378","VIOLATION_NO":"9465908","VIOLATION_ISSUE_DT":"08/01/2019","SIG_SUB":"Y","PART_SECTION":"56.15004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/01/2019","PROPOSED_PENALTY":"132","AMOUNT_DUE":"132","AMOUNT_PAID":"132","CONTESTED_IND":"N","sourceDate":"2019-08-01"}]}],"safety":{"href":"/api/v1/mines/3609596/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3609596/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":"Horns and backup alarms.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14132","part":"56","subchapter":"K","subpart":"M","id":"56.14132","citation":"30 CFR 56.14132","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":2},{"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":3},{"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":"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":1},{"chapter":"I","heading":"Electrical conductors.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12004","part":"56","subchapter":"K","subpart":"K","id":"56.12004","citation":"30 CFR 56.12004","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Brakes.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14101","part":"56","subchapter":"K","subpart":"M","id":"56.14101","citation":"30 CFR 56.14101","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":"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":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":"Eye protection.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15004","part":"56","subchapter":"K","subpart":"N","id":"56.15004","citation":"30 CFR 56.15004","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":"3609596","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}