{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-18T09:31:49.615Z","identity":{"mine_id":"3401822","name":"Rockin B Sand and Gravel, LLC","status":"Intermittent","status_date":"2024-01-23","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"OK","county":"Major","nearest_town":"Cleo Springs","operator_id":"0135773","operator_name":"Rockin B Sand and Gravel, LLC","controller_id":"0190141","controller_name":"Preston  Jones","district":"M5","office":"Norman OK Field Office","employees":4,"latitude":36.405278,"longitude":-98.440556},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":349},"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":"2026-10-18T09:31:49.615908+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":"3401822","name":"Rockin B Sand and Gravel, LLC"},"operator":{"type":"operator","id":"0135773","name":"Rockin B Sand and Gravel, LLC"},"controller":{"type":"controller","id":"0190141","name":"Preston  Jones"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16297","name":"Eagle Sand and Gravel"},"object":{"type":"mine","id":"3401822","name":"Rockin B Sand and Gravel, LLC"},"validFrom":"1999-03-01","validTo":"2014-10-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401822|L16297|1999-03-01|2014-10-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12466","name":"Bruce  Brinson"},"object":{"type":"mine","id":"3401822","name":"Rockin B Sand and Gravel, LLC"},"validFrom":"1999-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401822|M12466|1999-03-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12466","name":"Bruce  Brinson"},"object":{"type":"operator","id":"L16297","name":"Eagle Sand and Gravel"},"validFrom":"1999-03-01","validTo":"2014-10-28","current":false,"derived":true,"evidenceMineId":"3401822","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401822|L16297|1999-03-01|M12466|1999-03-01|153830"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0135773","name":"Rockin B Sand and Gravel, LLC"},"object":{"type":"mine","id":"3401822","name":"Rockin B Sand and Gravel, LLC"},"validFrom":"2014-10-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401822|0135773|2014-10-29|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0115549","name":"Bret  Brinson"},"object":{"type":"mine","id":"3401822","name":"Rockin B Sand and Gravel, LLC"},"validFrom":"2014-10-29","validTo":"2025-01-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401822|0115549|2014-10-29|2025-01-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0115549","name":"Bret  Brinson"},"object":{"type":"operator","id":"0135773","name":"Rockin B Sand and Gravel, LLC"},"validFrom":"2014-10-29","validTo":"2025-01-19","current":false,"derived":true,"evidenceMineId":"3401822","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401822|0135773|2014-10-29|0115549|2014-10-29|21762"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0190141","name":"Preston  Jones"},"object":{"type":"mine","id":"3401822","name":"Rockin B Sand and Gravel, LLC"},"validFrom":"2025-01-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401822|0190141|2025-01-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0190141","name":"Preston  Jones"},"object":{"type":"operator","id":"0135773","name":"Rockin B Sand and Gravel, LLC"},"validFrom":"2025-01-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"3401822","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3401822|0135773|2014-10-29|0190141|2025-01-20|40570"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":1,"firstDate":"2014-10-28","lastDate":"2014-10-28","metrics":{"daysLost":0,"injuries":1,"fatalities":0,"recentRows":0,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"230475","DOCUMENT_NO":"220143070084","ACCIDENT_DT":"10/28/2014","DEGREE_INJURY":"PERM TOT OR PERM PRTL DISABLTY","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Caught in, under or between running or meshing objects","OCCUPATION":"Barge/Boat/Dredge/Towbarge/Towboat/Leach operator, Riverman, Deck hand","NO_INJURIES":"1","NARRATIVE":"Pants leg caught on u-joint drive line on the dredge winch. Right foot and part of lower leg area was torn off from operators body.","sourceDate":"2014-10-28"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2024-01-23","lastDate":"2024-01-23","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":61,"firstDate":"2002-07-16","lastDate":"2026-04-16","metrics":{"ss":20,"delinquent":60,"recentRows":8,"paidPenalty":11863,"proposedPenalty":92779,"currentAssessment":92072},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"3031506","VIOLATION_NO":"5175410","ISSUE_DT":"04/16/2026","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":"2026-04-16"},{"SOURCE_ROW_NUMBER":"2754984","VIOLATION_NO":"9792009","ISSUE_DT":"01/19/2024","CFR_STANDARD_CD":"41.13","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-01-19"},{"SOURCE_ROW_NUMBER":"2743735","VIOLATION_NO":"9675963","ISSUE_DT":"08/21/2023","CFR_STANDARD_CD":"46.8(a)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"159.00","CURRENT_ASSESSMENT_AMT":"159.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-08-21"},{"SOURCE_ROW_NUMBER":"2746072","VIOLATION_NO":"9675552","ISSUE_DT":"04/26/2023","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":"2023-04-26"},{"SOURCE_ROW_NUMBER":"2662046","VIOLATION_NO":"9642699","ISSUE_DT":"11/29/2021","CFR_STANDARD_CD":"56.4101","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"125.00","CURRENT_ASSESSMENT_AMT":"125.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-11-29"},{"SOURCE_ROW_NUMBER":"2661112","VIOLATION_NO":"9646810","ISSUE_DT":"08/11/2021","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":"2021-08-11"},{"SOURCE_ROW_NUMBER":"2657677","VIOLATION_NO":"9519081","ISSUE_DT":"01/20/2021","CFR_STANDARD_CD":"50.30(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":"2021-01-20"},{"SOURCE_ROW_NUMBER":"2657676","VIOLATION_NO":"9519080","ISSUE_DT":"01/19/2021","CFR_STANDARD_CD":"56.9300(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"302.00","CURRENT_ASSESSMENT_AMT":"302.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2021-01-19"},{"SOURCE_ROW_NUMBER":"2654220","VIOLATION_NO":"9511157","ISSUE_DT":"06/23/2020","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"123.00","CURRENT_ASSESSMENT_AMT":"123.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2020-06-23"},{"SOURCE_ROW_NUMBER":"2650933","VIOLATION_NO":"9459207","ISSUE_DT":"03/02/2020","CFR_STANDARD_CD":"56.4402","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"123.00","CURRENT_ASSESSMENT_AMT":"123.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2020-03-02"},{"SOURCE_ROW_NUMBER":"2542372","VIOLATION_NO":"9408932","ISSUE_DT":"04/30/2019","CFR_STANDARD_CD":"46.8(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Order","PROPOSED_PENALTY_AMT":"135.00","CURRENT_ASSESSMENT_AMT":"135.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-04-30"},{"SOURCE_ROW_NUMBER":"2542327","VIOLATION_NO":"9408886","ISSUE_DT":"02/25/2019","CFR_STANDARD_CD":"56.12023","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"121.00","CURRENT_ASSESSMENT_AMT":"121.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2019-02-25"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":7,"firstDate":"2017-03-22","lastDate":"2017-03-22","metrics":{"appeals":0,"decisions":7,"recentRows":0,"decisionPenalty":8300,"originalPenalty":9007},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"392860","VIOLATION_NO":"8856832","DOCKET_NO":"CENT 2015-0201","DECISION_DT":"03/22/2017","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2017-03-22"},{"SOURCE_ROW_NUMBER":"392083","VIOLATION_NO":"8856836","DOCKET_NO":"CENT 2015-0202","DECISION_DT":"03/22/2017","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"2000.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2017-03-22"},{"SOURCE_ROW_NUMBER":"391962","VIOLATION_NO":"8856838","DOCKET_NO":"CENT 2015-0201","DECISION_DT":"03/22/2017","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2017-03-22"},{"SOURCE_ROW_NUMBER":"150039","VIOLATION_NO":"8856839","DOCKET_NO":"CENT 2015-0202","DECISION_DT":"03/22/2017","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"2000.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2017-03-22"},{"SOURCE_ROW_NUMBER":"150038","VIOLATION_NO":"8856837","DOCKET_NO":"CENT 2015-0202","DECISION_DT":"03/22/2017","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"2000.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2017-03-22"},{"SOURCE_ROW_NUMBER":"150037","VIOLATION_NO":"8856834","DOCKET_NO":"CENT 2015-0202","DECISION_DT":"03/22/2017","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"2000.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2017-03-22"},{"SOURCE_ROW_NUMBER":"149819","VIOLATION_NO":"8856833","DOCKET_NO":"CENT 2015-0201","DECISION_DT":"03/22/2017","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"807.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Richard","JUDGE_LAST_NAME":"Manning","sourceDate":"2017-03-22"}]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":11,"firstDate":"2014-10-29","lastDate":"2016-06-27","metrics":{"decisions":11,"ssChanged":0,"recentRows":0,"decisionPenalty":11250,"proposedPenalty":17807},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"263080","CITATION_NO":"8856827-00023913A","CITATION_ISSUE_DT":"06/27/2016","DOCKET_NO":"CENT 2016-0493","DECISION_DT":"03/22/2017","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"4300.00","DECISION_PENALTY_AMT":"1950.00","sourceDate":"2016-06-27"},{"SOURCE_ROW_NUMBER":"432390","CITATION_NO":"8856836-00023913A","CITATION_ISSUE_DT":"03/31/2016","DOCKET_NO":"CENT 2016-0358","DECISION_DT":"03/22/2017","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1500.00","DECISION_PENALTY_AMT":"500.00","sourceDate":"2016-03-31"},{"SOURCE_ROW_NUMBER":"93920","CITATION_NO":"8856837-00023913A","CITATION_ISSUE_DT":"03/31/2016","DOCKET_NO":"CENT 2016-0358","DECISION_DT":"03/22/2017","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1500.00","DECISION_PENALTY_AMT":"250.00","sourceDate":"2016-03-31"},{"SOURCE_ROW_NUMBER":"37292","CITATION_NO":"8856834-00023913A","CITATION_ISSUE_DT":"03/31/2016","DOCKET_NO":"CENT 2016-0358","DECISION_DT":"03/22/2017","CFR_STANDARD_CODE":"56.9300(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1500.00","DECISION_PENALTY_AMT":"250.00","sourceDate":"2016-03-31"},{"SOURCE_ROW_NUMBER":"435238","CITATION_NO":"8856839","CITATION_ISSUE_DT":"11/05/2014","DOCKET_NO":"CENT 2015-0202","DECISION_DT":"03/22/2017","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":"2014-11-05"},{"SOURCE_ROW_NUMBER":"433170","CITATION_NO":"8856838","CITATION_ISSUE_DT":"11/05/2014","DOCKET_NO":"CENT 2015-0201","DECISION_DT":"03/22/2017","CFR_STANDARD_CODE":"46.9(a)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2014-11-05"},{"SOURCE_ROW_NUMBER":"378092","CITATION_NO":"8856836","CITATION_ISSUE_DT":"11/05/2014","DOCKET_NO":"CENT 2015-0202","DECISION_DT":"03/22/2017","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"2000.00","sourceDate":"2014-11-05"},{"SOURCE_ROW_NUMBER":"375993","CITATION_NO":"8856837","CITATION_ISSUE_DT":"11/05/2014","DOCKET_NO":"CENT 2015-0202","DECISION_DT":"03/22/2017","CFR_STANDARD_CODE":"56.14107(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"2000.00","sourceDate":"2014-11-05"},{"SOURCE_ROW_NUMBER":"319296","CITATION_NO":"8856834","CITATION_ISSUE_DT":"11/04/2014","DOCKET_NO":"CENT 2015-0202","DECISION_DT":"03/22/2017","CFR_STANDARD_CODE":"56.9300(a)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"2000.00","sourceDate":"2014-11-04"},{"SOURCE_ROW_NUMBER":"435302","CITATION_NO":"8856832","CITATION_ISSUE_DT":"10/29/2014","DOCKET_NO":"CENT 2015-0201","DECISION_DT":"03/22/2017","CFR_STANDARD_CODE":"41.12","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2014-10-29"},{"SOURCE_ROW_NUMBER":"149898","CITATION_NO":"8856833","CITATION_ISSUE_DT":"10/29/2014","DOCKET_NO":"CENT 2015-0201","DECISION_DT":"03/22/2017","CFR_STANDARD_CODE":"56.15001","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"807.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2014-10-29"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":3,"firstDate":"1999-03-01","lastDate":"2014-10-29","metrics":{"recentRows":0,"currentOperatorTenures":2,"completedOperatorTenures":1},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":38,"firstDate":"2000-04-18","lastDate":"2026-04-13","metrics":{"inspectors":36,"recentRows":10,"onSiteHours":176,"inspectionHours":414,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1161784","EVENT_NO":"F0374FE","INSPECTION_BEGIN_DT":"04/13/2026","INSPECTION_END_DT":"04/16/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13.5","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2026-04-13"},{"SOURCE_ROW_NUMBER":"1144624","EVENT_NO":"F027F18","INSPECTION_BEGIN_DT":"03/24/2025","INSPECTION_END_DT":"03/25/2025","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.75","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2025-03-24"},{"SOURCE_ROW_NUMBER":"840646","EVENT_NO":"6937915","INSPECTION_BEGIN_DT":"01/16/2024","INSPECTION_END_DT":"01/19/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.5","SUM_TOTAL_ON_SITE_HOURS":"2.25","sourceDate":"2024-01-16"},{"SOURCE_ROW_NUMBER":"145838","EVENT_NO":"6932997","INSPECTION_BEGIN_DT":"08/21/2023","INSPECTION_END_DT":"08/21/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11.5","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2023-08-21"},{"SOURCE_ROW_NUMBER":"26465","EVENT_NO":"6934123","INSPECTION_BEGIN_DT":"04/24/2023","INSPECTION_END_DT":"04/26/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.25","SUM_TOTAL_ON_SITE_HOURS":"1.75","sourceDate":"2023-04-24"},{"SOURCE_ROW_NUMBER":"10599","EVENT_NO":"6887063","INSPECTION_BEGIN_DT":"06/08/2022","INSPECTION_END_DT":"06/08/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"7.25","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2022-06-08"},{"SOURCE_ROW_NUMBER":"494148","EVENT_NO":"6887012","INSPECTION_BEGIN_DT":"12/13/2021","INSPECTION_END_DT":"12/14/2021","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"29.5","SUM_TOTAL_ON_SITE_HOURS":"13.5","sourceDate":"2021-12-13"},{"SOURCE_ROW_NUMBER":"1161982","EVENT_NO":"6887006","INSPECTION_BEGIN_DT":"11/29/2021","INSPECTION_END_DT":"11/29/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.75","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2021-11-29"},{"SOURCE_ROW_NUMBER":"123489","EVENT_NO":"6886568","INSPECTION_BEGIN_DT":"08/11/2021","INSPECTION_END_DT":"08/11/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"8.25","SUM_TOTAL_ON_SITE_HOURS":"2.5","sourceDate":"2021-08-11"},{"SOURCE_ROW_NUMBER":"35651","EVENT_NO":"6885068","INSPECTION_BEGIN_DT":"01/19/2021","INSPECTION_END_DT":"01/20/2021","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"20.5","SUM_TOTAL_ON_SITE_HOURS":"13","sourceDate":"2021-01-19"},{"SOURCE_ROW_NUMBER":"180848","EVENT_NO":"6883049","INSPECTION_BEGIN_DT":"06/23/2020","INSPECTION_END_DT":"06/23/2020","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":"2020-06-23"},{"SOURCE_ROW_NUMBER":"444524","EVENT_NO":"6881248","INSPECTION_BEGIN_DT":"03/02/2020","INSPECTION_END_DT":"03/02/2020","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.75","SUM_TOTAL_ON_SITE_HOURS":"2.75","sourceDate":"2020-03-02"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":125,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":158,"employees":3,"production":0},"2026-Q1":{"hours":132,"employees":3,"production":0},"2025-Q4":{"hours":144,"employees":3,"production":0},"2025-Q3":{"hours":325,"employees":3,"production":0},"2025-Q2":{"hours":201,"employees":3,"production":0},"2025-Q1":{"hours":144,"employees":3,"production":0},"2024-Q4":{"hours":837,"employees":3,"production":0},"2024-Q3":{"hours":668,"employees":3,"production":0},"2024-Q2":{"hours":768,"employees":3,"production":0},"2024-Q1":{"hours":826,"employees":3,"production":0},"2023-Q4":{"hours":695,"employees":3,"production":0},"2023-Q3":{"hours":490,"employees":2,"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":33,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":9110,"employees":6,"production":0},"2018":{"hours":7379,"employees":4,"production":0},"2019":{"hours":5881,"employees":4,"production":0},"2020":{"hours":5128,"employees":3,"production":0},"2021":{"hours":5588,"employees":3,"production":0},"2022":{"hours":4854,"employees":4,"production":0},"2023":{"hours":2500,"employees":2,"production":0},"2024":{"hours":3099,"employees":3,"production":0},"2025":{"hours":814,"employees":3,"production":0},"2026":{"hours":290,"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":5,"firstDate":"2015-03-31","lastDate":"2021-12-14","metrics":{"recentRows":3,"actionTaken":5,"maxExposureRatio":0,"overExposureLimit":0,"exposureRatioTotal":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"252353","EVENT_NO":"6887012","SAMPLE_NO":"000000202105156000","SAMPLE_DATE":"12/14/2021","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.23","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2021-12-14"},{"SOURCE_ROW_NUMBER":"252352","EVENT_NO":"6887012","SAMPLE_NO":"000000202105155900","SAMPLE_DATE":"12/14/2021","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.18","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2021-12-14"},{"SOURCE_ROW_NUMBER":"245734","EVENT_NO":"6885068","SAMPLE_NO":"000000202100216100","SAMPLE_DATE":"01/20/2021","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":"2021-01-20"},{"SOURCE_ROW_NUMBER":"177866","EVENT_NO":"6656684","SAMPLE_NO":"000000201503629700","SAMPLE_DATE":"03/31/2015","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2015-03-31"},{"SOURCE_ROW_NUMBER":"177718","EVENT_NO":"6656684","SAMPLE_NO":"000000201503629600","SAMPLE_DATE":"03/31/2015","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":"2015-03-31"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":63,"firstDate":"2002-07-16","lastDate":"2026-04-16","metrics":{"ss":20,"amountDue":92072,"contested":0,"amountPaid":11863,"recentRows":8,"section104d":6,"unterminated":1,"proposedPenalty":92779},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1797870","VIOLATION_NO":"5175410","VIOLATION_ISSUE_DT":"04/16/2026","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/16/2026","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2026-04-16"},{"SOURCE_ROW_NUMBER":"1797854","VIOLATION_NO":"9792009","VIOLATION_ISSUE_DT":"01/19/2024","SIG_SUB":"N","PART_SECTION":"41.13","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/19/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-01-19"},{"SOURCE_ROW_NUMBER":"1797894","VIOLATION_NO":"9675963","VIOLATION_ISSUE_DT":"08/21/2023","SIG_SUB":"N","PART_SECTION":"46.8(a)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"2","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/23/2023","PROPOSED_PENALTY":"159","AMOUNT_DUE":"159","AMOUNT_PAID":"159","CONTESTED_IND":"N","sourceDate":"2023-08-21"},{"SOURCE_ROW_NUMBER":"1797877","VIOLATION_NO":"9675552","VIOLATION_ISSUE_DT":"04/26/2023","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/26/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-04-26"},{"SOURCE_ROW_NUMBER":"1797914","VIOLATION_NO":"9642699","VIOLATION_ISSUE_DT":"11/29/2021","SIG_SUB":"N","PART_SECTION":"56.4101","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/29/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-11-29"},{"SOURCE_ROW_NUMBER":"1797893","VIOLATION_NO":"9646810","VIOLATION_ISSUE_DT":"08/11/2021","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":"08/11/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-08-11"},{"SOURCE_ROW_NUMBER":"1797856","VIOLATION_NO":"9519081","VIOLATION_ISSUE_DT":"01/20/2021","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"HighNegligence","TERMINATION_DT":"01/20/2021","PROPOSED_PENALTY":"125","AMOUNT_DUE":"125","AMOUNT_PAID":"125","CONTESTED_IND":"N","sourceDate":"2021-01-20"},{"SOURCE_ROW_NUMBER":"1797855","VIOLATION_NO":"9519080","VIOLATION_ISSUE_DT":"01/19/2021","SIG_SUB":"Y","PART_SECTION":"56.9300(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/19/2021","PROPOSED_PENALTY":"302","AMOUNT_DUE":"302","AMOUNT_PAID":"302","CONTESTED_IND":"N","sourceDate":"2021-01-19"},{"SOURCE_ROW_NUMBER":"1797886","VIOLATION_NO":"9511157","VIOLATION_ISSUE_DT":"06/23/2020","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/26/2020","PROPOSED_PENALTY":"123","AMOUNT_DUE":"123","AMOUNT_PAID":"123","CONTESTED_IND":"N","sourceDate":"2020-06-23"},{"SOURCE_ROW_NUMBER":"1797859","VIOLATION_NO":"9459207","VIOLATION_ISSUE_DT":"03/02/2020","SIG_SUB":"N","PART_SECTION":"56.4402","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/02/2020","PROPOSED_PENALTY":"123","AMOUNT_DUE":"123","AMOUNT_PAID":"123","CONTESTED_IND":"N","sourceDate":"2020-03-02"},{"SOURCE_ROW_NUMBER":"1797878","VIOLATION_NO":"9408932","VIOLATION_ISSUE_DT":"04/30/2019","SIG_SUB":"N","PART_SECTION":"46.8(a)(2)","CIT_ORD_SAFE":"Order","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"3","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/01/2019","PROPOSED_PENALTY":"135","AMOUNT_DUE":"135","AMOUNT_PAID":"135","CONTESTED_IND":"N","sourceDate":"2019-04-30"},{"SOURCE_ROW_NUMBER":"1797858","VIOLATION_NO":"9408886","VIOLATION_ISSUE_DT":"02/25/2019","SIG_SUB":"Y","PART_SECTION":"56.12023","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"02/25/2019","PROPOSED_PENALTY":"121","AMOUNT_DUE":"121","AMOUNT_PAID":"121","CONTESTED_IND":"N","sourceDate":"2019-02-25"}]}],"safety":{"href":"/api/v1/mines/3401822/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/3401822/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":"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":"Failure to notify.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.13","part":"41","subchapter":"G","subpart":"B","id":"41.13","citation":"30 CFR 41.13","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER G—FILING AND OTHER ADMINISTRATIVE REQUIREMENTS","partHeading":"PART 41—NOTIFICATION OF LEGAL IDENTITY","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Annual refresher training.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.8","part":"46","subchapter":"H","subpart":"","id":"46.8","citation":"30 CFR 46.8","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":2},{"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":"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":"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":"Testing grounding systems.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028","part":"56","subchapter":"K","subpart":"K","id":"56.12028","citation":"30 CFR 56.12028","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 can use.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4402","part":"56","subchapter":"K","subpart":"C","id":"56.4402","citation":"30 CFR 56.4402","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":"Guarding electrical connections and resistor grids.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12023","part":"56","subchapter":"K","subpart":"K","id":"56.12023","citation":"30 CFR 56.12023","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":"3401822","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666}}