{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4104380","name":"North Austin Quarry","status":"Active","status_date":"2014-04-01","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"TX","county":"Williamson","nearest_town":"Georgetown","operator_id":"0084984","operator_name":"Martin Marietta Materials Southwest LLC","controller_id":"M00174","controller_name":"Martin Marietta Materials Inc","district":"M5","office":"Dallas TX Field Office","employees":4,"latitude":30.737222,"longitude":-97.670556},"coverage":{"contributingSources":15,"registeredSources":20,"sourceRows":1077},"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":"4104380","name":"North Austin Quarry"},"operator":{"type":"operator","id":"0084984","name":"Martin Marietta Materials Southwest LLC"},"controller":{"type":"controller","id":"M00174","name":"Martin Marietta Materials Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050574","name":"American Aggregates"},"object":{"type":"mine","id":"4104380","name":"North Austin Quarry"},"validFrom":"2002-08-13","validTo":"2013-04-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104380|0050574|2002-08-13|2013-04-01"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11304","name":"Blake A  Kuhlman"},"object":{"type":"mine","id":"4104380","name":"North Austin Quarry"},"validFrom":"2002-08-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104380|M11304|2002-08-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11304","name":"Blake A  Kuhlman"},"object":{"type":"operator","id":"0050574","name":"American Aggregates"},"validFrom":"2002-08-13","validTo":"2013-04-01","current":false,"derived":true,"evidenceMineId":"4104380","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104380|0050574|2002-08-13|M11304|2002-08-13|151157"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00174","name":"Martin Marietta Materials Inc"},"object":{"type":"mine","id":"4104380","name":"North Austin Quarry"},"validFrom":"2007-11-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104380|M00174|2007-11-26|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0130435","name":"Texas Limestone Materials, LLC"},"object":{"type":"mine","id":"4104380","name":"North Austin Quarry"},"validFrom":"2013-04-02","validTo":"2015-08-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104380|0130435|2013-04-02|2015-08-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0110963","name":"Group Investment Holdings Inc"},"object":{"type":"mine","id":"4104380","name":"North Austin Quarry"},"validFrom":"2013-04-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104380|0110963|2013-04-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0110963","name":"Group Investment Holdings Inc"},"object":{"type":"operator","id":"0130435","name":"Texas Limestone Materials, LLC"},"validFrom":"2013-04-02","validTo":"2015-08-16","current":false,"derived":true,"evidenceMineId":"4104380","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104380|0130435|2013-04-02|0110963|2013-04-02|20379"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0140234","name":"CC Aggregates LLC"},"object":{"type":"mine","id":"4104380","name":"North Austin Quarry"},"validFrom":"2015-08-17","validTo":"2021-10-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104380|0140234|2015-08-17|2021-10-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0119443","name":"Curtis L  Griffin"},"object":{"type":"mine","id":"4104380","name":"North Austin Quarry"},"validFrom":"2015-08-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104380|0119443|2015-08-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119443","name":"Curtis L  Griffin"},"object":{"type":"operator","id":"0140234","name":"CC Aggregates LLC"},"validFrom":"2015-08-17","validTo":"2021-10-21","current":false,"derived":true,"evidenceMineId":"4104380","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104380|0140234|2015-08-17|0119443|2015-08-17|22837"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0084984","name":"Martin Marietta Materials Southwest LLC"},"object":{"type":"mine","id":"4104380","name":"North Austin Quarry"},"validFrom":"2021-10-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104380|0084984|2021-10-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00174","name":"Martin Marietta Materials Inc"},"object":{"type":"operator","id":"0084984","name":"Martin Marietta Materials Southwest LLC"},"validFrom":"2021-10-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"4104380","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4104380|0084984|2021-10-22|M00174|2007-11-26|106450"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-accidents","name":"Accident, Injuries, and Illnesses","domains":["safety","contractors"],"products":["incident trends","severity rates","equipment patterns","peer denominators"],"rowCount":2,"firstDate":"2017-08-30","lastDate":"2024-05-28","metrics":{"daysLost":206,"injuries":2,"fatalities":0,"recentRows":1,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"136316","DOCUMENT_NO":"220241900014","ACCIDENT_DT":"05/28/2024","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Caught in, under or between a moving and a stationary object","OCCUPATION":"Outside foreman, Leadman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"EE was closing observation door on crusher and slammed it on hand causing a fracture.","sourceDate":"2024-05-28"},{"SOURCE_ROW_NUMBER":"136315","DOCUMENT_NO":"220173030021","ACCIDENT_DT":"08/30/2017","DEGREE_INJURY":"DAYS AWAY FROM WORK ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall from machine","OCCUPATION":"Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer","NO_INJURIES":"1","DAYS_LOST":"206","NARRATIVE":"EE was on a loader outside of the scale house. EE smelled a sewage smell and lost 3 point contact.  EE fell to the ground from the top step onto 1x2\" gravel parking area.  Took EE to the hospital for evaluation.  EE has a sprained left elbow, hurt right wrist, and a few abrasions.  No broken bones according to the x-rays.  No MRI was done.","sourceDate":"2017-08-30"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2014-04-01","lastDate":"2014-04-01","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":204,"firstDate":"2004-01-14","lastDate":"2025-04-25","metrics":{"ss":48,"delinquent":187,"recentRows":19,"paidPenalty":40045,"proposedPenalty":60192,"currentAssessment":60192},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2957154","VIOLATION_NO":"9795704","ISSUE_DT":"04/25/2025","CFR_STANDARD_CD":"50.20(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":"2025-04-25"},{"SOURCE_ROW_NUMBER":"2957153","VIOLATION_NO":"9795703","ISSUE_DT":"04/24/2025","CFR_STANDARD_CD":"56.14107(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":"2025-04-24"},{"SOURCE_ROW_NUMBER":"2969837","VIOLATION_NO":"9796707","ISSUE_DT":"01/14/2025","CFR_STANDARD_CD":"56.4402","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-01-14"},{"SOURCE_ROW_NUMBER":"2886368","VIOLATION_NO":"8852954","ISSUE_DT":"03/05/2024","CFR_STANDARD_CD":"56.4230(a)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-03-05"},{"SOURCE_ROW_NUMBER":"2886367","VIOLATION_NO":"8852953","ISSUE_DT":"03/04/2024","CFR_STANDARD_CD":"56.12028","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-03-04"},{"SOURCE_ROW_NUMBER":"2749052","VIOLATION_NO":"9742226","ISSUE_DT":"08/10/2023","CFR_STANDARD_CD":"56.14132(b)(2)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"2749051","VIOLATION_NO":"9742225","ISSUE_DT":"08/10/2023","CFR_STANDARD_CD":"56.12018","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"2749050","VIOLATION_NO":"9742224","ISSUE_DT":"08/10/2023","CFR_STANDARD_CD":"56.12004","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"232.00","CURRENT_ASSESSMENT_AMT":"232.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"2749049","VIOLATION_NO":"9742223","ISSUE_DT":"08/10/2023","CFR_STANDARD_CD":"56.12020","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"2875058","VIOLATION_NO":"9285160","ISSUE_DT":"06/23/2023","CFR_STANDARD_CD":"56.14101(a)(3)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-06-23"},{"SOURCE_ROW_NUMBER":"2670376","VIOLATION_NO":"9673821","ISSUE_DT":"06/06/2022","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":"2022-06-06"},{"SOURCE_ROW_NUMBER":"2670375","VIOLATION_NO":"9673820","ISSUE_DT":"06/01/2022","CFR_STANDARD_CD":"56.15001","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-06-01"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":7,"firstDate":"2015-08-20","lastDate":"2022-02-15","metrics":{"appeals":0,"decisions":7,"recentRows":1,"decisionPenalty":6130,"originalPenalty":6130},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"428428","VIOLATION_NO":"9643054","DOCKET_NO":"CENT 2021-0186","DECISION_DT":"02/15/2022","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"172.00","DECISION_PENALTY_AMT":"172.00","JUDGE_FIRST_NAME":"Margaret","JUDGE_LAST_NAME":"Miller","sourceDate":"2022-02-15"},{"SOURCE_ROW_NUMBER":"424130","VIOLATION_NO":"9518601","DOCKET_NO":"CENT 2020-0235","DECISION_DT":"12/30/2020","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"615.00","DECISION_PENALTY_AMT":"615.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Simonton","sourceDate":"2020-12-30"},{"SOURCE_ROW_NUMBER":"422735","VIOLATION_NO":"9518607","DOCKET_NO":"CENT 2020-0236","DECISION_DT":"12/30/2020","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"144.00","DECISION_PENALTY_AMT":"144.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Simonton","sourceDate":"2020-12-30"},{"SOURCE_ROW_NUMBER":"145592","VIOLATION_NO":"8966676","DOCKET_NO":"CENT 2020-0236","DECISION_DT":"12/30/2020","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"123.00","DECISION_PENALTY_AMT":"123.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Simonton","sourceDate":"2020-12-30"},{"SOURCE_ROW_NUMBER":"145474","VIOLATION_NO":"9518606","DOCKET_NO":"CENT 2020-0236","DECISION_DT":"12/30/2020","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"1076.00","DECISION_PENALTY_AMT":"1076.00","JUDGE_FIRST_NAME":"David","JUDGE_LAST_NAME":"Simonton","sourceDate":"2020-12-30"},{"SOURCE_ROW_NUMBER":"372722","VIOLATION_NO":"8859629","DOCKET_NO":"CENT 2015-0391","DECISION_DT":"08/20/2015","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"2000.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2015-08-20"},{"SOURCE_ROW_NUMBER":"371986","VIOLATION_NO":"8859634","DOCKET_NO":"CENT 2015-0391","DECISION_DT":"08/20/2015","DECISION_TYPE_CODE_DESC":"Dismissal","ORIGINAL_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"2000.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2015-08-20"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":1,"firstDate":"2026-09-29","lastDate":"2026-09-29","metrics":{"linkedIssuances":1},"periods":{},"recentRecords":[]},{"id":"msha-contested-violations","name":"Contested Violations","domains":["compliance","legal"],"products":["contest status","time to resolution","contested-rate context"],"rowCount":7,"firstDate":"2015-02-03","lastDate":"2021-05-04","metrics":{"decisions":7,"ssChanged":6,"recentRows":1,"decisionPenalty":6130,"proposedPenalty":6130},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"444160","CITATION_NO":"9643054","CITATION_ISSUE_DT":"05/04/2021","DOCKET_NO":"CENT 2021-0186","DECISION_DT":"02/15/2022","CFR_STANDARD_CODE":"56.6202(a)(1)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"172.00","DECISION_PENALTY_AMT":"172.00","sourceDate":"2021-05-04"},{"SOURCE_ROW_NUMBER":"445275","CITATION_NO":"8966676","CITATION_ISSUE_DT":"07/14/2020","DOCKET_NO":"CENT 2020-0236","DECISION_DT":"12/30/2020","CFR_STANDARD_CODE":"56.20010","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"123.00","DECISION_PENALTY_AMT":"123.00","sourceDate":"2020-07-14"},{"SOURCE_ROW_NUMBER":"161526","CITATION_NO":"9518606","CITATION_ISSUE_DT":"06/30/2020","DOCKET_NO":"CENT 2020-0236","DECISION_DT":"12/30/2020","CFR_STANDARD_CODE":"56.14105","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"1076.00","DECISION_PENALTY_AMT":"1076.00","sourceDate":"2020-06-30"},{"SOURCE_ROW_NUMBER":"103608","CITATION_NO":"9518607","CITATION_ISSUE_DT":"06/30/2020","DOCKET_NO":"CENT 2020-0236","DECISION_DT":"12/30/2020","CFR_STANDARD_CODE":"56.12018","ORIGINAL_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"144.00","DECISION_PENALTY_AMT":"144.00","sourceDate":"2020-06-30"},{"SOURCE_ROW_NUMBER":"105235","CITATION_NO":"9518601","CITATION_ISSUE_DT":"06/29/2020","DOCKET_NO":"CENT 2020-0235","DECISION_DT":"12/30/2020","CFR_STANDARD_CODE":"56.11001","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"615.00","DECISION_PENALTY_AMT":"615.00","sourceDate":"2020-06-29"},{"SOURCE_ROW_NUMBER":"205530","CITATION_NO":"8859634","CITATION_ISSUE_DT":"02/03/2015","DOCKET_NO":"CENT 2015-0391","DECISION_DT":"08/20/2015","CFR_STANDARD_CODE":"56.11003","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"2000.00","sourceDate":"2015-02-03"},{"SOURCE_ROW_NUMBER":"148274","CITATION_NO":"8859629","CITATION_ISSUE_DT":"02/03/2015","DOCKET_NO":"CENT 2015-0391","DECISION_DT":"08/20/2015","CFR_STANDARD_CODE":"56.11001","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"2000.00","DECISION_PENALTY_AMT":"2000.00","sourceDate":"2015-02-03"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":266,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":6,"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":71,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":6,"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":4,"firstDate":"2002-08-13","lastDate":"2021-10-22","metrics":{"recentRows":1,"currentOperatorTenures":1,"completedOperatorTenures":3},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":70,"firstDate":"2003-03-05","lastDate":"2026-04-14","metrics":{"inspectors":75,"recentRows":15,"onSiteHours":579,"inspectionHours":1063,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"65328","EVENT_NO":"F037A0E","INSPECTION_BEGIN_DT":"04/14/2026","INSPECTION_END_DT":"04/14/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11.25","SUM_TOTAL_ON_SITE_HOURS":"6.25","sourceDate":"2026-04-14"},{"SOURCE_ROW_NUMBER":"292903","EVENT_NO":"F017E0A","INSPECTION_BEGIN_DT":"01/12/2026","INSPECTION_END_DT":"01/20/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22.5","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2026-01-12"},{"SOURCE_ROW_NUMBER":"974049","EVENT_NO":"F0126E0","INSPECTION_BEGIN_DT":"04/24/2025","INSPECTION_END_DT":"04/25/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.5","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2025-04-24"},{"SOURCE_ROW_NUMBER":"909962","EVENT_NO":"F015080","INSPECTION_BEGIN_DT":"01/13/2025","INSPECTION_END_DT":"01/14/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"14.5","SUM_TOTAL_ON_SITE_HOURS":"10.75","sourceDate":"2025-01-13"},{"SOURCE_ROW_NUMBER":"464474","EVENT_NO":"F009E7B","INSPECTION_BEGIN_DT":"09/05/2024","INSPECTION_END_DT":"09/05/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11","SUM_TOTAL_ON_SITE_HOURS":"6","sourceDate":"2024-09-05"},{"SOURCE_ROW_NUMBER":"520989","EVENT_NO":"F01211B","INSPECTION_BEGIN_DT":"05/22/2024","INSPECTION_END_DT":"05/22/2024","ACTIVITY_CODE":"E17","ACTIVITY":"Special Emphasis Programs","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.75","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2024-05-22"},{"SOURCE_ROW_NUMBER":"970767","EVENT_NO":"7047479","INSPECTION_BEGIN_DT":"03/04/2024","INSPECTION_END_DT":"03/10/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"43.25","SUM_TOTAL_ON_SITE_HOURS":"33.5","sourceDate":"2024-03-04"},{"SOURCE_ROW_NUMBER":"1107716","EVENT_NO":"6935218","INSPECTION_BEGIN_DT":"08/10/2023","INSPECTION_END_DT":"08/14/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17.75","SUM_TOTAL_ON_SITE_HOURS":"7.5","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"888924","EVENT_NO":"7036323","INSPECTION_BEGIN_DT":"06/23/2023","INSPECTION_END_DT":"06/26/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"22.5","SUM_TOTAL_ON_SITE_HOURS":"14","sourceDate":"2023-06-23"},{"SOURCE_ROW_NUMBER":"516522","EVENT_NO":"6890927","INSPECTION_BEGIN_DT":"05/25/2022","INSPECTION_END_DT":"06/06/2022","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"39","SUM_TOTAL_ON_SITE_HOURS":"22.5","sourceDate":"2022-05-25"},{"SOURCE_ROW_NUMBER":"520478","EVENT_NO":"6887767","INSPECTION_BEGIN_DT":"02/28/2022","INSPECTION_END_DT":"03/01/2022","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1.5","SUM_TOTAL_ON_SITE_HOURS":"0","sourceDate":"2022-02-28"},{"SOURCE_ROW_NUMBER":"48425","EVENT_NO":"6890902","INSPECTION_BEGIN_DT":"02/24/2022","INSPECTION_END_DT":"02/24/2022","ACTIVITY_CODE":"E04","ACTIVITY":"Verbal Hazard Complaint Inspections","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"12","SUM_TOTAL_ON_SITE_HOURS":"3","sourceDate":"2022-02-24"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":176,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":608,"employees":2,"production":0},"2026-Q1":{"hours":3251,"employees":6,"production":0},"2025-Q4":{"hours":4440,"employees":9,"production":0},"2025-Q3":{"hours":3533,"employees":8,"production":0},"2025-Q2":{"hours":5106,"employees":8,"production":0},"2025-Q1":{"hours":4512,"employees":8,"production":0},"2024-Q4":{"hours":5255,"employees":9,"production":0},"2024-Q3":{"hours":6494,"employees":12,"production":0},"2024-Q2":{"hours":9357,"employees":14,"production":0},"2024-Q1":{"hours":9171,"employees":15,"production":0},"2023-Q4":{"hours":11281,"employees":20,"production":0},"2023-Q3":{"hours":13188,"employees":21,"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":44,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":39579,"employees":14,"production":0},"2018":{"hours":33896,"employees":12,"production":0},"2019":{"hours":49565,"employees":19,"production":0},"2020":{"hours":55567,"employees":21,"production":0},"2021":{"hours":62166,"employees":23,"production":0},"2022":{"hours":61798,"employees":22,"production":0},"2023":{"hours":56138,"employees":22,"production":0},"2024":{"hours":30277,"employees":13,"production":0},"2025":{"hours":17591,"employees":8,"production":0},"2026":{"hours":3859,"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":18,"firstDate":"2005-10-27","lastDate":"2022-06-02","metrics":{"recentRows":7,"actionTaken":18,"maxExposureRatio":0.18,"overExposureLimit":0,"exposureRatioTotal":0.43},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"263261","EVENT_NO":"6890927","SAMPLE_NO":"000000202202295200","SAMPLE_DATE":"06/02/2022","CONTAMINANT_DESC":"Nuisance dust, respirable, <1% Qtz","CONCENTRATION":"0000.19","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"00.02","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-06-02"},{"SOURCE_ROW_NUMBER":"263260","EVENT_NO":"6890927","SAMPLE_NO":"000000202202295100","SAMPLE_DATE":"06/02/2022","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-06-02"},{"SOURCE_ROW_NUMBER":"263259","EVENT_NO":"6890927","SAMPLE_NO":"000000202202295000","SAMPLE_DATE":"06/02/2022","CONTAMINANT_DESC":"Nuisance dust, respirable, <1% Qtz","CONCENTRATION":"0000.31","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"00.03","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2022-06-02"},{"SOURCE_ROW_NUMBER":"246928","EVENT_NO":"6887807","SAMPLE_NO":"000000202101929700","SAMPLE_DATE":"05/05/2021","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2021-05-05"},{"SOURCE_ROW_NUMBER":"246927","EVENT_NO":"6887807","SAMPLE_NO":"000000202101929600","SAMPLE_DATE":"05/05/2021","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.13","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Mechanic","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2021-05-05"},{"SOURCE_ROW_NUMBER":"246926","EVENT_NO":"6887807","SAMPLE_NO":"000000202101929500","SAMPLE_DATE":"05/05/2021","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":"2021-05-05"},{"SOURCE_ROW_NUMBER":"246925","EVENT_NO":"6887807","SAMPLE_NO":"000000202101929400","SAMPLE_DATE":"05/05/2021","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2021-05-05"},{"SOURCE_ROW_NUMBER":"184783","EVENT_NO":"6737227","SAMPLE_NO":"000000201605684600","SAMPLE_DATE":"09/28/2016","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Utility Man","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2016-09-28"},{"SOURCE_ROW_NUMBER":"184782","EVENT_NO":"6737227","SAMPLE_NO":"000000201605684500","SAMPLE_DATE":"09/28/2016","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":"2016-09-28"},{"SOURCE_ROW_NUMBER":"184781","EVENT_NO":"6737227","SAMPLE_NO":"000000201605684400","SAMPLE_DATE":"09/28/2016","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.13","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2016-09-28"},{"SOURCE_ROW_NUMBER":"184780","EVENT_NO":"6737227","SAMPLE_NO":"000000201605684300","SAMPLE_DATE":"09/28/2016","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":"2016-09-28"},{"SOURCE_ROW_NUMBER":"100167","EVENT_NO":"6543407","SAMPLE_NO":"000000201000303600","SAMPLE_DATE":"01/06/2010","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":"2010-01-06"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":205,"firstDate":"2004-01-14","lastDate":"2026-04-14","metrics":{"ss":48,"amountDue":60192,"contested":0,"amountPaid":40045,"recentRows":20,"section104d":3,"unterminated":0,"proposedPenalty":60192},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2165371","VIOLATION_NO":"5008705","VIOLATION_ISSUE_DT":"04/14/2026","SIG_SUB":"N","PART_SECTION":"56.13012","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"04/14/2026","CONTESTED_IND":"N","sourceDate":"2026-04-14"},{"SOURCE_ROW_NUMBER":"2165373","VIOLATION_NO":"9795704","VIOLATION_ISSUE_DT":"04/25/2025","SIG_SUB":"N","PART_SECTION":"50.20(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/25/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-04-25"},{"SOURCE_ROW_NUMBER":"2165372","VIOLATION_NO":"9795703","VIOLATION_ISSUE_DT":"04/24/2025","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/24/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-04-24"},{"SOURCE_ROW_NUMBER":"2165316","VIOLATION_NO":"9796707","VIOLATION_ISSUE_DT":"01/14/2025","SIG_SUB":"N","PART_SECTION":"56.4402","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"01/14/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-01-14"},{"SOURCE_ROW_NUMBER":"2165344","VIOLATION_NO":"8852954","VIOLATION_ISSUE_DT":"03/05/2024","SIG_SUB":"N","PART_SECTION":"56.4230(a)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/05/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-03-05"},{"SOURCE_ROW_NUMBER":"2165343","VIOLATION_NO":"8852953","VIOLATION_ISSUE_DT":"03/04/2024","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"03/04/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-03-04"},{"SOURCE_ROW_NUMBER":"2165436","VIOLATION_NO":"9742226","VIOLATION_ISSUE_DT":"08/10/2023","SIG_SUB":"N","PART_SECTION":"56.14132(b)(2)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"08/10/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"2165435","VIOLATION_NO":"9742225","VIOLATION_ISSUE_DT":"08/10/2023","SIG_SUB":"N","PART_SECTION":"56.12018","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/11/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"2165434","VIOLATION_NO":"9742224","VIOLATION_ISSUE_DT":"08/10/2023","SIG_SUB":"N","PART_SECTION":"56.12004","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/11/2023","PROPOSED_PENALTY":"232","AMOUNT_DUE":"232","AMOUNT_PAID":"232","CONTESTED_IND":"N","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"2165433","VIOLATION_NO":"9742223","VIOLATION_ISSUE_DT":"08/10/2023","SIG_SUB":"N","PART_SECTION":"56.12020","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/10/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-08-10"},{"SOURCE_ROW_NUMBER":"2165422","VIOLATION_NO":"9285160","VIOLATION_ISSUE_DT":"06/23/2023","SIG_SUB":"N","PART_SECTION":"56.14101(a)(3)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/26/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-06-23"},{"SOURCE_ROW_NUMBER":"2165402","VIOLATION_NO":"9673821","VIOLATION_ISSUE_DT":"06/06/2022","SIG_SUB":"N","PART_SECTION":"50.30(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"NoLikelihood","INJ_ILLNESS":"NoLostDays","NO_AFFECTED":"0","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"06/06/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-06-06"}]}],"safety":{"href":"/api/v1/mines/4104380/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4104380/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":"Compressor air intakes.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13012","part":"56","subchapter":"K","subpart":"L","id":"56.13012","citation":"30 CFR 56.13012","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Preparation and submission of MSHA Report Form 7000-1—Mine Accident, Injury, and Illness Report.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-C/section-50.20","part":"50","subchapter":"I","subpart":"C","id":"50.20","citation":"30 CFR 50.20","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"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":"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":"Self-propelled equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4230","part":"56","subchapter":"K","subpart":"C","id":"56.4230","citation":"30 CFR 56.4230","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":"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":1},{"chapter":"I","heading":"Identification of power switches.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12018","part":"56","subchapter":"K","subpart":"K","id":"56.12018","citation":"30 CFR 56.12018","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":"Protection of persons at switchgear.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12020","part":"56","subchapter":"K","subpart":"K","id":"56.12020","citation":"30 CFR 56.12020","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":"Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30","part":"50","subchapter":"I","subpart":"D","id":"50.30","citation":"30 CFR 50.30","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES","subpartHeading":"","text":null,"occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4104380","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}