{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1400823","name":"Louisburg Quarry","status":"Active","status_date":"2019-10-30","mine_type":"Surface","coal_metal":"M","commodity":"Crushed, Broken Limestone NEC","state":"KS","county":"Miami","nearest_town":"Overland Park","operator_id":"L16197","operator_name":"Martin Marietta Materials, Inc.","controller_id":"M00174","controller_name":"Martin Marietta Materials Inc","district":"M6","office":"Topeka KS Field Office","employees":9,"latitude":38.678889,"longitude":-94.686667},"coverage":{"contributingSources":15,"registeredSources":20,"sourceRows":791},"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":"1400823","name":"Louisburg Quarry"},"operator":{"type":"operator","id":"L16197","name":"Martin Marietta Materials, Inc."},"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":"controller_controls_mine","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"mine","id":"1400823","name":"Louisburg Quarry"},"validFrom":"1950-01-01","validTo":"2006-08-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1400823|M00049|1950-01-01|2006-08-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00174","name":"Martin Marietta Materials Inc"},"object":{"type":"mine","id":"1400823","name":"Louisburg Quarry"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1400823|M00174|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00252","name":"N R  Hamm"},"object":{"type":"mine","id":"1400823","name":"Louisburg Quarry"},"validFrom":"1950-01-01","validTo":"2012-02-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1400823|M00252|1950-01-01|2012-02-08"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09930","name":"Apac-Kansas Inc"},"object":{"type":"mine","id":"1400823","name":"Louisburg Quarry"},"validFrom":"1979-01-01","validTo":"2018-09-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1400823|L09930|1979-01-01|2018-09-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"operator","id":"L09930","name":"Apac-Kansas Inc"},"validFrom":"1979-01-01","validTo":"2006-08-27","current":false,"derived":true,"evidenceMineId":"1400823","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1400823|L09930|1979-01-01|M00049|1950-01-01|102589"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"1400823","name":"Louisburg Quarry"},"validFrom":"2006-08-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1400823|M06183|2006-08-28|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L09930","name":"Apac-Kansas Inc"},"validFrom":"2006-08-28","validTo":"2018-09-13","current":false,"derived":true,"evidenceMineId":"1400823","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1400823|L09930|1979-01-01|M06183|2006-08-28|137212"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02046","name":"Summit Materials LLC"},"object":{"type":"mine","id":"1400823","name":"Louisburg Quarry"},"validFrom":"2012-02-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1400823|M02046|2012-02-09|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00313","name":"N R Hamm Quarry LLC"},"object":{"type":"mine","id":"1400823","name":"Louisburg Quarry"},"validFrom":"2018-09-14","validTo":"2026-03-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1400823|L00313|2018-09-14|2026-03-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00252","name":"N R  Hamm"},"object":{"type":"operator","id":"L00313","name":"N R Hamm Quarry LLC"},"validFrom":"2018-09-14","validTo":"2012-02-08","current":false,"derived":true,"evidenceMineId":"1400823","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1400823|L00313|2018-09-14|M00252|1950-01-01|108228"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02046","name":"Summit Materials LLC"},"object":{"type":"operator","id":"L00313","name":"N R Hamm Quarry LLC"},"validFrom":"2018-09-14","validTo":"2026-03-22","current":false,"derived":true,"evidenceMineId":"1400823","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1400823|L00313|2018-09-14|M02046|2012-02-09|122927"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16197","name":"Martin Marietta Materials, Inc."},"object":{"type":"mine","id":"1400823","name":"Louisburg Quarry"},"validFrom":"2026-03-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1400823|L16197|2026-03-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00174","name":"Martin Marietta Materials Inc"},"object":{"type":"operator","id":"L16197","name":"Martin Marietta Materials, Inc."},"validFrom":"2026-03-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"1400823","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1400823|L16197|2026-03-23|M00174|1950-01-01|105896"}}],"coverage":{"historyRecords":5,"edgeCount":13,"intervalAnomalies":1,"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":3,"firstDate":"2006-09-12","lastDate":"2024-07-08","metrics":{"daysLost":0,"injuries":3,"fatalities":0,"recentRows":1,"restrictedDays":418,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"99911","DOCUMENT_NO":"220241970015","ACCIDENT_DT":"07/08/2024","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":"Groundman, Yardman","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"WHILE EMPLOYEE WAS ASSISTING IN CLOSING THE SCREEN CHUTE GATE, EE PLACED RIGHT THUMB IN A PINCH POINT AND INJURED THE RIGHT THUMB. 3 STITCHES TO THE NAIL BED OF RIGHT THUMB.","sourceDate":"2024-07-08"},{"SOURCE_ROW_NUMBER":"190344","DOCUMENT_NO":"220190530003","ACCIDENT_DT":"02/11/2019","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"SLIP OR FALL OF PERSON","ACCIDENT_TYPE":"Fall from machine","OCCUPATION":"Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee slipped and fell on ice in parking lot and strained right shoulder while exiting ee personal vehicle.","sourceDate":"2019-02-11"},{"SOURCE_ROW_NUMBER":"267789","DOCUMENT_NO":"220062620009","ACCIDENT_DT":"09/12/2006","DEGREE_INJURY":"DAYS RESTRICTED ACTIVITY ONLY","CLASSIFICATION":"HANDTOOLS (NONPOWERED)","ACCIDENT_TYPE":"Over-exertion NEC","OCCUPATION":"Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was cleaning rock out of a plugged chute on screen deck when she suffered a left shoulder strain.","sourceDate":"2006-09-12"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2019-10-30","lastDate":"2019-10-30","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":99,"firstDate":"2000-03-27","lastDate":"2025-05-12","metrics":{"ss":15,"delinquent":88,"recentRows":21,"paidPenalty":16032,"proposedPenalty":16503,"currentAssessment":16032},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2945526","VIOLATION_NO":"5041495","ISSUE_DT":"05/12/2025","CFR_STANDARD_CD":"56.20003(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":"2025-05-12"},{"SOURCE_ROW_NUMBER":"2945525","VIOLATION_NO":"5041494","ISSUE_DT":"05/12/2025","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":"2025-05-12"},{"SOURCE_ROW_NUMBER":"2945524","VIOLATION_NO":"5041493","ISSUE_DT":"05/12/2025","CFR_STANDARD_CD":"56.14107","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-05-12"},{"SOURCE_ROW_NUMBER":"2945523","VIOLATION_NO":"5041492","ISSUE_DT":"05/12/2025","CFR_STANDARD_CD":"56.20003(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":"2025-05-12"},{"SOURCE_ROW_NUMBER":"2975880","VIOLATION_NO":"9768671","ISSUE_DT":"01/28/2025","CFR_STANDARD_CD":"56.4203","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-01-28"},{"SOURCE_ROW_NUMBER":"2881433","VIOLATION_NO":"9578911","ISSUE_DT":"08/07/2024","CFR_STANDARD_CD":"56.14107(a)","SIG_SUB_IND":"Y","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"161.00","CURRENT_ASSESSMENT_AMT":"161.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-08-07"},{"SOURCE_ROW_NUMBER":"2881432","VIOLATION_NO":"9578910","ISSUE_DT":"08/07/2024","CFR_STANDARD_CD":"56.14207","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-08-07"},{"SOURCE_ROW_NUMBER":"2879719","VIOLATION_NO":"9578297","ISSUE_DT":"04/30/2024","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":"2024-04-30"},{"SOURCE_ROW_NUMBER":"2879661","VIOLATION_NO":"9578212","ISSUE_DT":"10/17/2023","CFR_STANDARD_CD":"56.4011","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"167.00","CURRENT_ASSESSMENT_AMT":"167.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-10-17"},{"SOURCE_ROW_NUMBER":"2877984","VIOLATION_NO":"9574286","ISSUE_DT":"08/29/2023","CFR_STANDARD_CD":"56.14100(b)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"167.00","CURRENT_ASSESSMENT_AMT":"167.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-08-29"},{"SOURCE_ROW_NUMBER":"2877983","VIOLATION_NO":"9574285","ISSUE_DT":"08/29/2023","CFR_STANDARD_CD":"56.20011","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"143.00","CURRENT_ASSESSMENT_AMT":"143.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2023-08-29"},{"SOURCE_ROW_NUMBER":"2856742","VIOLATION_NO":"9574047","ISSUE_DT":"11/29/2022","CFR_STANDARD_CD":"56.14207","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"133.00","CURRENT_ASSESSMENT_AMT":"133.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2022-11-29"}]},{"id":"msha-civil-penalty-dockets-decisions","name":"Civil Penalty Dockets and Decisions","domains":["compliance","legal"],"products":["docket lineage","decision outcomes","citation packet precedent"],"rowCount":6,"firstDate":"2010-10-27","lastDate":"2017-07-25","metrics":{"appeals":0,"decisions":6,"recentRows":0,"decisionPenalty":547,"originalPenalty":1323},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"392053","VIOLATION_NO":"8937226","DOCKET_NO":"CENT 2017-0302","DECISION_DT":"07/25/2017","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"116.00","DECISION_PENALTY_AMT":"116.00","JUDGE_FIRST_NAME":"Priscilla","JUDGE_LAST_NAME":"Rae","sourceDate":"2017-07-25"},{"SOURCE_ROW_NUMBER":"391792","VIOLATION_NO":"8937227","DOCKET_NO":"CENT 2017-0302","DECISION_DT":"07/25/2017","DECISION_TYPE_CODE_DESC":"Withdrawal","ORIGINAL_PENALTY_AMT":"305.00","DECISION_PENALTY_AMT":"0.00","JUDGE_FIRST_NAME":"Priscilla","JUDGE_LAST_NAME":"Rae","sourceDate":"2017-07-25"},{"SOURCE_ROW_NUMBER":"122063","VIOLATION_NO":"8833477","DOCKET_NO":"CENT 2016-0397","DECISION_DT":"12/28/2016","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"117.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2016-12-28"},{"SOURCE_ROW_NUMBER":"122062","VIOLATION_NO":"8833476","DOCKET_NO":"CENT 2016-0397","DECISION_DT":"12/28/2016","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"585.00","DECISION_PENALTY_AMT":"131.00","JUDGE_FIRST_NAME":"Jacqueline","JUDGE_LAST_NAME":"Bulluck","sourceDate":"2016-12-28"},{"SOURCE_ROW_NUMBER":"55092","VIOLATION_NO":"6448722","DOCKET_NO":"CENT 2010-612M","DECISION_DT":"10/27/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-10-27"},{"SOURCE_ROW_NUMBER":"55091","VIOLATION_NO":"6448721","DOCKET_NO":"CENT 2010-612M","DECISION_DT":"10/27/2010","DECISION_TYPE_CODE_DESC":"Settlement","ORIGINAL_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","JUDGE_FIRST_NAME":"Robert","JUDGE_LAST_NAME":"Lesnick","sourceDate":"2010-10-27"}]},{"id":"msha-conferences","name":"Conferences","domains":["compliance","legal"],"products":["conference history","post-issuance changes","citation lifecycle"],"rowCount":2,"firstDate":"2007-12-17","lastDate":"2020-06-25","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":6,"firstDate":"2010-02-09","lastDate":"2016-09-19","metrics":{"decisions":6,"ssChanged":2,"recentRows":0,"decisionPenalty":547,"proposedPenalty":1323},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"211647","CITATION_NO":"8937227","CITATION_ISSUE_DT":"09/19/2016","DOCKET_NO":"CENT 2017-0302","DECISION_DT":"07/25/2017","CFR_STANDARD_CODE":"56.14112(b)","ORIGINAL_SIG_SUB_IND":"Y","PROPOSED_PENALTY_AMT":"305.00","DECISION_PENALTY_AMT":".00","sourceDate":"2016-09-19"},{"SOURCE_ROW_NUMBER":"154928","CITATION_NO":"8937226","CITATION_ISSUE_DT":"09/19/2016","DOCKET_NO":"CENT 2017-0302","DECISION_DT":"07/25/2017","CFR_STANDARD_CODE":"56.12028","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"116.00","DECISION_PENALTY_AMT":"116.00","sourceDate":"2016-09-19"},{"SOURCE_ROW_NUMBER":"381274","CITATION_NO":"8833477","CITATION_ISSUE_DT":"03/01/2016","DOCKET_NO":"CENT 2016-0397","DECISION_DT":"12/28/2016","CFR_STANDARD_CODE":"56.13011","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"117.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2016-03-01"},{"SOURCE_ROW_NUMBER":"37090","CITATION_NO":"8833476","CITATION_ISSUE_DT":"03/01/2016","DOCKET_NO":"CENT 2016-0397","DECISION_DT":"12/28/2016","CFR_STANDARD_CODE":"56.14112(b)","ORIGINAL_SIG_SUB_IND":"Y","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"585.00","DECISION_PENALTY_AMT":"131.00","sourceDate":"2016-03-01"},{"SOURCE_ROW_NUMBER":"413099","CITATION_NO":"6448721","CITATION_ISSUE_DT":"02/09/2010","DOCKET_NO":"CENT 2010-612M","DECISION_DT":"10/27/2010","CFR_STANDARD_CODE":"56.4201(a)(1)","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2010-02-09"},{"SOURCE_ROW_NUMBER":"186551","CITATION_NO":"6448722","CITATION_ISSUE_DT":"02/09/2010","DOCKET_NO":"CENT 2010-612M","DECISION_DT":"10/27/2010","CFR_STANDARD_CODE":"56.12002","ORIGINAL_SIG_SUB_IND":"N","DECISION_SIG_SUB_IND":"N","PROPOSED_PENALTY_AMT":"100.00","DECISION_PENALTY_AMT":"100.00","sourceDate":"2010-02-09"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":146,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":3,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-yearly","name":"Contractor Employment and Production — Yearly","domains":["contractors","production","safety"],"products":["long-run contractor trend","annual denominator reconciliation"],"rowCount":27,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":3,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":5,"firstDate":"1979-01-01","lastDate":"2026-03-23","metrics":{"recentRows":1,"currentOperatorTenures":1,"completedOperatorTenures":4},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":65,"firstDate":"2000-03-27","lastDate":"2026-05-20","metrics":{"inspectors":69,"recentRows":18,"onSiteHours":508,"inspectionHours":844.25,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"238067","EVENT_NO":"F016154","INSPECTION_BEGIN_DT":"05/20/2026","INSPECTION_END_DT":"05/20/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"6.5","sourceDate":"2026-05-20"},{"SOURCE_ROW_NUMBER":"792993","EVENT_NO":"F0161AA","INSPECTION_BEGIN_DT":"02/11/2026","INSPECTION_END_DT":"02/13/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"2","SUM_TOTAL_INSP_HOURS":"21.75","SUM_TOTAL_ON_SITE_HOURS":"9.5","sourceDate":"2026-02-11"},{"SOURCE_ROW_NUMBER":"1065060","EVENT_NO":"F00FB05","INSPECTION_BEGIN_DT":"05/11/2025","INSPECTION_END_DT":"05/14/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"19.5","SUM_TOTAL_ON_SITE_HOURS":"11","sourceDate":"2025-05-11"},{"SOURCE_ROW_NUMBER":"845411","EVENT_NO":"F0163B8","INSPECTION_BEGIN_DT":"01/28/2025","INSPECTION_END_DT":"01/29/2025","ACTIVITY_CODE":"E33","ACTIVITY":"Non-Chargeable Accident Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5.5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2025-01-28"},{"SOURCE_ROW_NUMBER":"190186","EVENT_NO":"F0163B7","INSPECTION_BEGIN_DT":"01/28/2025","INSPECTION_END_DT":"01/28/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":"2.25","sourceDate":"2025-01-28"},{"SOURCE_ROW_NUMBER":"1110081","EVENT_NO":"7041886","INSPECTION_BEGIN_DT":"08/06/2024","INSPECTION_END_DT":"08/07/2024","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"11.25","SUM_TOTAL_ON_SITE_HOURS":"3.75","sourceDate":"2024-08-06"},{"SOURCE_ROW_NUMBER":"797057","EVENT_NO":"7041133","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":"1.5","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2024-05-22"},{"SOURCE_ROW_NUMBER":"396734","EVENT_NO":"7041121","INSPECTION_BEGIN_DT":"04/29/2024","INSPECTION_END_DT":"04/30/2024","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":"2024-04-29"},{"SOURCE_ROW_NUMBER":"382383","EVENT_NO":"7041070","INSPECTION_BEGIN_DT":"10/17/2023","INSPECTION_END_DT":"10/17/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.75","SUM_TOTAL_ON_SITE_HOURS":"6.25","sourceDate":"2023-10-17"},{"SOURCE_ROW_NUMBER":"533332","EVENT_NO":"6491322","INSPECTION_BEGIN_DT":"10/10/2023","INSPECTION_END_DT":"10/10/2023","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"5","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2023-10-10"},{"SOURCE_ROW_NUMBER":"304675","EVENT_NO":"7040381","INSPECTION_BEGIN_DT":"09/06/2023","INSPECTION_END_DT":"09/06/2023","ACTIVITY_CODE":"E15","ACTIVITY":"Compliance Follow-up Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3.75","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2023-09-06"},{"SOURCE_ROW_NUMBER":"262247","EVENT_NO":"7040377","INSPECTION_BEGIN_DT":"08/28/2023","INSPECTION_END_DT":"08/30/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"16","SUM_TOTAL_ON_SITE_HOURS":"9","sourceDate":"2023-08-28"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":250,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":6416,"employees":11,"production":0},"2026-Q1":{"hours":649,"employees":11,"production":0},"2025-Q4":{"hours":5455,"employees":11,"production":0},"2025-Q3":{"hours":6978,"employees":13,"production":0},"2025-Q2":{"hours":7068,"employees":14,"production":0},"2025-Q1":{"hours":5690,"employees":11,"production":0},"2024-Q4":{"hours":5450,"employees":11,"production":0},"2024-Q3":{"hours":5484,"employees":11,"production":0},"2024-Q2":{"hours":6086,"employees":11,"production":0},"2024-Q1":{"hours":5836,"employees":11,"production":0},"2023-Q4":{"hours":6573,"employees":12,"production":0},"2023-Q3":{"hours":7069,"employees":13,"production":0}},"recentRecords":[]},{"id":"msha-mine-production-yearly","name":"Mine Employment and Production — Yearly","domains":["production","safety","compliance"],"products":["annual trend","backfill","quarterly reconciliation"],"rowCount":65,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2017":{"hours":19696,"employees":10,"production":0},"2018":{"hours":13105,"employees":7,"production":0},"2019":{"hours":24230,"employees":12,"production":0},"2020":{"hours":21497,"employees":11,"production":0},"2021":{"hours":25514,"employees":12,"production":0},"2022":{"hours":25244,"employees":13,"production":0},"2023":{"hours":27702,"employees":15,"production":0},"2024":{"hours":22856,"employees":11,"production":0},"2025":{"hours":25191,"employees":13,"production":0},"2026":{"hours":7065,"employees":14,"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":15,"firstDate":"2009-09-22","lastDate":"2024-08-07","metrics":{"recentRows":3,"actionTaken":15,"maxExposureRatio":0.2,"overExposureLimit":0,"exposureRatioTotal":0.42},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"284506","EVENT_NO":"7041886","SAMPLE_NO":"000000202403277900","SAMPLE_DATE":"08/07/2024","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":"2024-08-07"},{"SOURCE_ROW_NUMBER":"284505","EVENT_NO":"7041886","SAMPLE_NO":"000000202403277800","SAMPLE_DATE":"08/07/2024","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.26","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2024-08-07"},{"SOURCE_ROW_NUMBER":"284504","EVENT_NO":"7041886","SAMPLE_NO":"000000202403277700","SAMPLE_DATE":"08/07/2024","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":"2024-08-07"},{"SOURCE_ROW_NUMBER":"243418","EVENT_NO":"6490133","SAMPLE_NO":"000000202004839300","SAMPLE_DATE":"12/02/2020","CONTAMINANT_DESC":"Respirable dust, <.1mg","CONCENTRATION":"0000.00","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Bobcat Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2020-12-02"},{"SOURCE_ROW_NUMBER":"243417","EVENT_NO":"6490133","SAMPLE_NO":"000000202004839200","SAMPLE_DATE":"12/02/2020","CONTAMINANT_DESC":"Nuisance dust, respirable, <1% Qtz","CONCENTRATION":"0000.48","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"00.05","JOB_CD_DESC":"Crusher Oper/Worker","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2020-12-02"},{"SOURCE_ROW_NUMBER":"243416","EVENT_NO":"6490133","SAMPLE_NO":"000000202004839100","SAMPLE_DATE":"12/02/2020","CONTAMINANT_DESC":"Nuisance dust, respirable, <1% Qtz","CONCENTRATION":"0000.22","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"00.02","JOB_CD_DESC":"Truck Driver","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2020-12-02"},{"SOURCE_ROW_NUMBER":"237354","EVENT_NO":"6787427","SAMPLE_NO":"000000201905505900","SAMPLE_DATE":"09/24/2019","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":"2019-09-24"},{"SOURCE_ROW_NUMBER":"237353","EVENT_NO":"6787427","SAMPLE_NO":"000000201905505800","SAMPLE_DATE":"09/24/2019","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":"2019-09-24"},{"SOURCE_ROW_NUMBER":"181098","EVENT_NO":"6698776","SAMPLE_NO":"000000201601485100","SAMPLE_DATE":"03/01/2016","CONTAMINANT_DESC":"Unlisted Particulate, respirable, <1% Qtz","CONCENTRATION":"0000.14","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Truck Driver","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2016-03-01"},{"SOURCE_ROW_NUMBER":"181097","EVENT_NO":"6698776","SAMPLE_NO":"000000201601485000","SAMPLE_DATE":"03/01/2016","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":"2016-03-01"},{"SOURCE_ROW_NUMBER":"133589","EVENT_NO":"6556047","SAMPLE_NO":"000000201106602000","SAMPLE_DATE":"07/13/2011","CONTAMINANT_DESC":"Nuisance dust, respirable, <1% Qtz","CONCENTRATION":"0000.53","EXPOSURE_LIMIT":"0010.00","C_OVER_E":"00.05","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2011-07-13"},{"SOURCE_ROW_NUMBER":"133588","EVENT_NO":"6556047","SAMPLE_NO":"000000201106601900","SAMPLE_DATE":"07/13/2011","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.34","EXPOSURE_LIMIT":"0001.69","C_OVER_E":"00.20","JOB_CD_DESC":"Drill Operator, Rotary Air","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2011-07-13"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":100,"firstDate":"2000-03-27","lastDate":"2025-05-12","metrics":{"ss":15,"amountDue":16032,"contested":2,"amountPaid":16032,"recentRows":22,"section104d":0,"unterminated":0,"proposedPenalty":16503},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"691535","VIOLATION_NO":"5041495","VIOLATION_ISSUE_DT":"05/12/2025","SIG_SUB":"N","PART_SECTION":"56.20003(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/14/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-05-12"},{"SOURCE_ROW_NUMBER":"691534","VIOLATION_NO":"5041494","VIOLATION_ISSUE_DT":"05/12/2025","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/14/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-05-12"},{"SOURCE_ROW_NUMBER":"691533","VIOLATION_NO":"5041493","VIOLATION_ISSUE_DT":"05/12/2025","SIG_SUB":"N","PART_SECTION":"56.14107","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/14/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-05-12"},{"SOURCE_ROW_NUMBER":"691532","VIOLATION_NO":"5041492","VIOLATION_ISSUE_DT":"05/12/2025","SIG_SUB":"N","PART_SECTION":"56.20003(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/14/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-05-12"},{"SOURCE_ROW_NUMBER":"691494","VIOLATION_NO":"9768671","VIOLATION_ISSUE_DT":"01/28/2025","SIG_SUB":"N","PART_SECTION":"56.4203","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"LowNegligence","TERMINATION_DT":"01/28/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-01-28"},{"SOURCE_ROW_NUMBER":"691544","VIOLATION_NO":"9578911","VIOLATION_ISSUE_DT":"08/07/2024","SIG_SUB":"Y","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Reasonably","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/07/2024","PROPOSED_PENALTY":"161","AMOUNT_DUE":"161","AMOUNT_PAID":"161","CONTESTED_IND":"N","sourceDate":"2024-08-07"},{"SOURCE_ROW_NUMBER":"691543","VIOLATION_NO":"9578910","VIOLATION_ISSUE_DT":"08/07/2024","SIG_SUB":"N","PART_SECTION":"56.14207","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"08/07/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-08-07"},{"SOURCE_ROW_NUMBER":"691527","VIOLATION_NO":"9578297","VIOLATION_ISSUE_DT":"04/30/2024","SIG_SUB":"N","PART_SECTION":"56.12028","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/30/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-04-30"},{"SOURCE_ROW_NUMBER":"691571","VIOLATION_NO":"9578212","VIOLATION_ISSUE_DT":"10/17/2023","SIG_SUB":"N","PART_SECTION":"56.4011","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/17/2023","PROPOSED_PENALTY":"167","AMOUNT_DUE":"167","AMOUNT_PAID":"167","CONTESTED_IND":"N","sourceDate":"2023-10-17"},{"SOURCE_ROW_NUMBER":"691548","VIOLATION_NO":"9574286","VIOLATION_ISSUE_DT":"08/29/2023","SIG_SUB":"N","PART_SECTION":"56.14100(b)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/10/2023","PROPOSED_PENALTY":"167","AMOUNT_DUE":"167","AMOUNT_PAID":"167","CONTESTED_IND":"N","sourceDate":"2023-08-29"},{"SOURCE_ROW_NUMBER":"691547","VIOLATION_NO":"9574285","VIOLATION_ISSUE_DT":"08/29/2023","SIG_SUB":"N","PART_SECTION":"56.20011","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"09/06/2023","PROPOSED_PENALTY":"143","AMOUNT_DUE":"143","AMOUNT_PAID":"143","CONTESTED_IND":"N","sourceDate":"2023-08-29"},{"SOURCE_ROW_NUMBER":"691578","VIOLATION_NO":"9574047","VIOLATION_ISSUE_DT":"11/29/2022","SIG_SUB":"N","PART_SECTION":"56.14207","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"11/29/2022","PROPOSED_PENALTY":"133","AMOUNT_DUE":"133","AMOUNT_PAID":"133","CONTESTED_IND":"N","sourceDate":"2022-11-29"}]}],"safety":{"href":"/api/v1/mines/1400823/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1400823/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":"Housekeeping.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20003","part":"56","subchapter":"K","subpart":"S","id":"56.20003","citation":"30 CFR 56.20003","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":"Moving machine parts.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107","part":"56","subchapter":"K","subpart":"M","id":"56.14107","citation":"30 CFR 56.14107","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":3},{"chapter":"I","heading":"Extinguisher recharging or replacement.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4203","part":"56","subchapter":"K","subpart":"C","id":"56.4203","citation":"30 CFR 56.4203","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":"Parking procedures for unattended equipment.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14207","part":"56","subchapter":"K","subpart":"M","id":"56.14207","citation":"30 CFR 56.14207","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":"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":"Abandoned electric circuits.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-C/section-56.4011","part":"56","subchapter":"K","subpart":"C","id":"56.4011","citation":"30 CFR 56.4011","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Safety defects; examination, correction and records.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100","part":"56","subchapter":"K","subpart":"M","id":"56.14100","citation":"30 CFR 56.14100","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Barricades and warning signs.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-S/section-56.20011","part":"56","subchapter":"K","subpart":"S","id":"56.20011","citation":"30 CFR 56.20011","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":"1400823","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}