{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"0505166","name":"Poudre Ponds Pit","status":"Active","status_date":"2026-04-16","mine_type":"Surface","coal_metal":"M","commodity":"Construction Sand and Gravel","state":"CO","county":"Weld","nearest_town":"Greeley","operator_id":"0077683","operator_name":"J-2 Contracting Co.","controller_id":"0116343","controller_name":"Chris  Leone; Chance  Brown","district":"M6","office":"Denver CO Field Office","employees":3,"latitude":40.3975,"longitude":-104.695},"coverage":{"contributingSources":12,"registeredSources":20,"sourceRows":137},"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":"0505166","name":"Poudre Ponds Pit"},"operator":{"type":"operator","id":"0077683","name":"J-2 Contracting Co."},"controller":{"type":"controller","id":"0116343","name":"Chris  Leone; Chance  Brown"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0065229","name":"John  Leone et al"},"object":{"type":"mine","id":"0505166","name":"Poudre Ponds Pit"},"validFrom":"2007-01-11","validTo":"2015-01-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0505166|0065229|2007-01-11|2015-01-07"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0116343","name":"Chance  Brown et al"},"object":{"type":"mine","id":"0505166","name":"Poudre Ponds Pit"},"validFrom":"2015-01-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0505166|0116343|2015-01-08|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0077683","name":"J-2 Contracting Co."},"object":{"type":"mine","id":"0505166","name":"Poudre Ponds Pit"},"validFrom":"2023-03-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0505166|0077683|2023-03-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0065229","name":"John  Leone et al"},"object":{"type":"operator","id":"0077683","name":"J-2 Contracting Co."},"validFrom":"2023-03-24","validTo":"2015-01-07","current":false,"derived":true,"evidenceMineId":"0505166","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0505166|0077683|2023-03-24|0065229|2007-01-11|9024"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0116343","name":"Chance  Brown et al"},"object":{"type":"operator","id":"0077683","name":"J-2 Contracting Co."},"validFrom":"2023-03-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"0505166","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0505166|0077683|2023-03-24|0116343|2015-01-08|21927"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0116343","name":"Chris  Leone et al"},"object":{"type":"operator","id":"0077683","name":"J-2 Contracting Co."},"validFrom":"2023-03-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"0505166","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0505166|0077683|2023-03-24|0116343|2015-01-08|21928"}}],"coverage":{"historyRecords":3,"edgeCount":6,"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":2,"firstDate":"2023-07-17","lastDate":"2023-12-27","metrics":{"daysLost":0,"injuries":2,"fatalities":0,"recentRows":2,"restrictedDays":0,"contractorRecords":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"60731","DOCUMENT_NO":"220233620007","ACCIDENT_DT":"12/27/2023","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"MACHINERY","ACCIDENT_TYPE":"Struck by... NEC","OCCUPATION":"Welder (non-shop)","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was changing cutting edge and lacerated EE's finger on the retaining nut when it spun loose.  The cut required 7 stitches.","sourceDate":"2023-12-27"},{"SOURCE_ROW_NUMBER":"103566","DOCUMENT_NO":"220232070030","ACCIDENT_DT":"07/17/2023","DEGREE_INJURY":"NO DYS AWY FRM WRK,NO RSTR ACT","CLASSIFICATION":"HANDLING OF MATERIALS","ACCIDENT_TYPE":"Contact with hot objects or substances","OCCUPATION":"Miner, Prospector, NEC","NO_INJURIES":"1","DAYS_LOST":"0","NARRATIVE":"Employee was feeding the screen plant and  noticed it was overheating. EE shut it down to cool off.  EE later released the radiator cap to check the coolant level and it spewed hot coolant on EE.","sourceDate":"2023-07-17"}]},{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2026-04-16","lastDate":"2026-04-16","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":6,"firstDate":"2024-04-17","lastDate":"2025-10-09","metrics":{"ss":0,"delinquent":6,"recentRows":6,"paidPenalty":890,"proposedPenalty":890,"currentAssessment":890},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"2506522","VIOLATION_NO":"6459195","ISSUE_DT":"10/09/2025","CFR_STANDARD_CD":"56.12018","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"151.00","CURRENT_ASSESSMENT_AMT":"151.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2025-10-09"},{"SOURCE_ROW_NUMBER":"2506521","VIOLATION_NO":"6459194","ISSUE_DT":"10/09/2025","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":"2025-10-09"},{"SOURCE_ROW_NUMBER":"2766696","VIOLATION_NO":"9820914","ISSUE_DT":"04/17/2024","CFR_STANDARD_CD":"56.12018","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-04-17"},{"SOURCE_ROW_NUMBER":"2766695","VIOLATION_NO":"9820913","ISSUE_DT":"04/17/2024","CFR_STANDARD_CD":"56.14112(a)(1)","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-04-17"},{"SOURCE_ROW_NUMBER":"2766694","VIOLATION_NO":"9820912","ISSUE_DT":"04/17/2024","CFR_STANDARD_CD":"56.12008","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-04-17"},{"SOURCE_ROW_NUMBER":"2766693","VIOLATION_NO":"9820911","ISSUE_DT":"04/17/2024","CFR_STANDARD_CD":"56.4101","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"147.00","CURRENT_ASSESSMENT_AMT":"147.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2024-04-17"}]},{"id":"msha-contractor-production-quarterly","name":"Contractor Employment and Production — Quarterly","domains":["contractors","production","safety"],"products":["contractor exposure denominator","productivity","presence windows"],"rowCount":69,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-contractor-production-yearly","name":"Contractor Employment and Production — Yearly","domains":["contractors","production","safety"],"products":["long-run contractor trend","annual denominator reconciliation"],"rowCount":21,"firstDate":null,"lastDate":null,"metrics":{"linkedContractors":1,"notMineAttributable":1},"periods":{},"recentRecords":[]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":3,"firstDate":"2023-03-24","lastDate":"2023-03-24","metrics":{"recentRows":3,"currentOperatorTenures":3,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":7,"firstDate":"2023-07-13","lastDate":"2026-07-14","metrics":{"inspectors":7,"recentRows":7,"onSiteHours":42.25,"inspectionHours":57.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"508445","EVENT_NO":"F002EE3","INSPECTION_BEGIN_DT":"07/14/2026","INSPECTION_END_DT":"07/16/2026","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.5","SUM_TOTAL_ON_SITE_HOURS":"7.25","sourceDate":"2026-07-14"},{"SOURCE_ROW_NUMBER":"993992","EVENT_NO":"6782997","INSPECTION_BEGIN_DT":"10/09/2025","INSPECTION_END_DT":"10/10/2025","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.75","SUM_TOTAL_ON_SITE_HOURS":"7","sourceDate":"2025-10-09"},{"SOURCE_ROW_NUMBER":"918918","EVENT_NO":"F002EC0","INSPECTION_BEGIN_DT":"07/10/2025","INSPECTION_END_DT":"07/11/2025","ACTIVITY_CODE":"E17","ACTIVITY":"Special Emphasis Programs","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"1","SUM_TOTAL_ON_SITE_HOURS":".75","sourceDate":"2025-07-10"},{"SOURCE_ROW_NUMBER":"1031397","EVENT_NO":"F006C43","INSPECTION_BEGIN_DT":"10/10/2024","INSPECTION_END_DT":"10/10/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2024-10-10"},{"SOURCE_ROW_NUMBER":"1032272","EVENT_NO":"6947987","INSPECTION_BEGIN_DT":"09/25/2024","INSPECTION_END_DT":"09/25/2024","ACTIVITY_CODE":"E16","ACTIVITY":"Spot Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"10.25","SUM_TOTAL_ON_SITE_HOURS":"9.75","sourceDate":"2024-09-25"},{"SOURCE_ROW_NUMBER":"1086075","EVENT_NO":"6947955","INSPECTION_BEGIN_DT":"04/17/2024","INSPECTION_END_DT":"04/18/2024","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"9.75","SUM_TOTAL_ON_SITE_HOURS":"8","sourceDate":"2024-04-17"},{"SOURCE_ROW_NUMBER":"162046","EVENT_NO":"7041030","INSPECTION_BEGIN_DT":"07/13/2023","INSPECTION_END_DT":"07/13/2023","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"6.25","SUM_TOTAL_ON_SITE_HOURS":"4.5","sourceDate":"2023-07-13"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":14,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2026-Q2":{"hours":7757,"employees":12,"production":0},"2026-Q1":{"hours":6874,"employees":12,"production":0},"2025-Q4":{"hours":6128,"employees":13,"production":0},"2025-Q3":{"hours":6630,"employees":13,"production":0},"2025-Q2":{"hours":6107,"employees":12,"production":0},"2025-Q1":{"hours":5261,"employees":9,"production":0},"2024-Q4":{"hours":4058,"employees":7,"production":0},"2024-Q3":{"hours":5321,"employees":10,"production":0},"2024-Q2":{"hours":3919,"employees":6,"production":0},"2024-Q1":{"hours":3192,"employees":6,"production":0},"2023-Q4":{"hours":3076,"employees":6,"production":0},"2023-Q3":{"hours":5095,"employees":11,"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":4,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2023":{"hours":11742,"employees":7,"production":0},"2024":{"hours":16490,"employees":7,"production":0},"2025":{"hours":24126,"employees":12,"production":0},"2026":{"hours":14631,"employees":12,"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":3,"firstDate":"2024-09-25","lastDate":"2024-09-25","metrics":{"recentRows":3,"actionTaken":3,"maxExposureRatio":1.18,"overExposureLimit":1,"exposureRatioTotal":1.6},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"293969","EVENT_NO":"6947987","SAMPLE_NO":"000000202404049200","SAMPLE_DATE":"09/25/2024","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.16","EXPOSURE_LIMIT":"0000.00","C_OVER_E":"00.00","JOB_CD_DESC":"Front-end Loader Operator","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2024-09-25"},{"SOURCE_ROW_NUMBER":"293968","EVENT_NO":"6947987","SAMPLE_NO":"000000202404049100","SAMPLE_DATE":"09/25/2024","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0000.54","EXPOSURE_LIMIT":"0001.30","C_OVER_E":"00.42","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"NO ACTION","sourceDate":"2024-09-25"},{"SOURCE_ROW_NUMBER":"293967","EVENT_NO":"6947987","SAMPLE_NO":"000000202404049000","SAMPLE_DATE":"09/25/2024","CONTAMINANT_DESC":"Quartz, respirable, >1% Qtz","CONCENTRATION":"0001.62","EXPOSURE_LIMIT":"0001.37","C_OVER_E":"01.18","JOB_CD_DESC":"Laborer, Bullgang","ACTION_TAKEN_DESC":"LAB RESULTS INDICATE EXPOSURE LIMIT EXCEEDED","sourceDate":"2024-09-25"}]},{"id":"msha-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":6,"firstDate":"2024-04-17","lastDate":"2025-10-09","metrics":{"ss":0,"amountDue":890,"contested":0,"amountPaid":890,"recentRows":6,"section104d":0,"unterminated":0,"proposedPenalty":890},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"348189","VIOLATION_NO":"6459195","VIOLATION_ISSUE_DT":"10/09/2025","SIG_SUB":"N","PART_SECTION":"56.12018","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/09/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-10-09"},{"SOURCE_ROW_NUMBER":"348188","VIOLATION_NO":"6459194","VIOLATION_ISSUE_DT":"10/09/2025","SIG_SUB":"N","PART_SECTION":"56.14107(a)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"10/09/2025","PROPOSED_PENALTY":"151","AMOUNT_DUE":"151","AMOUNT_PAID":"151","CONTESTED_IND":"N","sourceDate":"2025-10-09"},{"SOURCE_ROW_NUMBER":"348187","VIOLATION_NO":"9820914","VIOLATION_ISSUE_DT":"04/17/2024","SIG_SUB":"N","PART_SECTION":"56.12018","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/17/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-04-17"},{"SOURCE_ROW_NUMBER":"348186","VIOLATION_NO":"9820913","VIOLATION_ISSUE_DT":"04/17/2024","SIG_SUB":"N","PART_SECTION":"56.14112(a)(1)","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/17/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-04-17"},{"SOURCE_ROW_NUMBER":"348185","VIOLATION_NO":"9820912","VIOLATION_ISSUE_DT":"04/17/2024","SIG_SUB":"N","PART_SECTION":"56.12008","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Fatal","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/17/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-04-17"},{"SOURCE_ROW_NUMBER":"348184","VIOLATION_NO":"9820911","VIOLATION_ISSUE_DT":"04/17/2024","SIG_SUB":"N","PART_SECTION":"56.4101","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"Permanent","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"04/17/2024","PROPOSED_PENALTY":"147","AMOUNT_DUE":"147","AMOUNT_PAID":"147","CONTESTED_IND":"N","sourceDate":"2024-04-17"}]}],"safety":{"href":"/api/v1/mines/0505166/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/0505166/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":"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":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":1},{"chapter":"I","heading":"Construction and maintenance of guards.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14112","part":"56","subchapter":"K","subpart":"M","id":"56.14112","citation":"30 CFR 56.14112","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","subchapterHeading":"SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","partHeading":"PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES","subpartHeading":"","text":null,"occurrenceCount":1},{"chapter":"I","heading":"Insulation and fittings for power wires and cables.","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12008","part":"56","subchapter":"K","subpart":"K","id":"56.12008","citation":"30 CFR 56.12008","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":"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}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"0505166","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}