{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"1518942","name":"Poor Branch Surface #1","status":"Abandoned","status_date":"2007-01-25","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"KY","county":"Breathitt","nearest_town":"Guage","operator_id":"0062183","operator_name":"Miller Bros. Coal, LLC","controller_id":"0051889","controller_name":"Clearwater Natural Resources LP","district":"C07","office":"Hazard KY Field Office","employees":0,"latitude":37.613611,"longitude":-83.163055},"coverage":{"contributingSources":8,"registeredSources":20,"sourceRows":15},"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":"1518942","name":"Poor Branch Surface #1"},"operator":{"type":"operator","id":"0062183","name":"Miller Bros. Coal, LLC"},"controller":{"type":"controller","id":"0051889","name":"Clearwater Natural Resources LP"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0051889","name":"Clearwater Natural Resources LP"},"object":{"type":"mine","id":"1518942","name":"Poor Branch Surface #1"},"validFrom":"2005-08-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518942|0051889|2005-08-02|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0062183","name":"Miller Bros. Coal, LLC"},"object":{"type":"mine","id":"1518942","name":"Poor Branch Surface #1"},"validFrom":"2005-11-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518942|0062183|2005-11-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0051889","name":"Clearwater Natural Resources LP"},"object":{"type":"operator","id":"0062183","name":"Miller Bros. Coal, LLC"},"validFrom":"2005-11-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518942","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518942|0062183|2005-11-15|0051889|2005-08-02|6533"}}],"coverage":{"historyRecords":1,"edgeCount":3,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"sources":[{"id":"msha-addresses","name":"Addresses of Record","domains":["identity","logistics"],"products":["entity resolution","address history","facility geocoding"],"rowCount":1,"firstDate":"2007-01-25","lastDate":"2007-01-25","metrics":{},"periods":{},"recentRecords":[]},{"id":"msha-assessed-violations","name":"Assessed Violations","domains":["compliance","legal"],"products":["penalty lifecycle","paid and outstanding amounts","assessment aging"],"rowCount":1,"firstDate":"2006-05-12","lastDate":"2006-05-12","metrics":{"ss":0,"delinquent":1,"recentRows":0,"paidPenalty":60,"proposedPenalty":60,"currentAssessment":60},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1418679","VIOLATION_NO":"7474992","ISSUE_DT":"05/12/2006","CFR_STANDARD_CD":"50.10","SIG_SUB_IND":"N","CITATION_TYPE_CD":"Citation","PROPOSED_PENALTY_AMT":"60.00","CURRENT_ASSESSMENT_AMT":"60.00","ASSESS_CASE_STATUS_CD":"Closed","sourceDate":"2006-05-12"}]},{"id":"msha-controller-operator-history","name":"Controller and Operator History","domains":["identity","compliance"],"products":["historical ownership attribution","operator transitions","valid-time joins"],"rowCount":1,"firstDate":"2005-11-15","lastDate":"2005-11-15","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":0},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":3,"firstDate":"2006-05-12","lastDate":"2007-01-09","metrics":{"inspectors":3,"recentRows":0,"onSiteHours":10,"inspectionHours":33,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"282839","EVENT_NO":"4439695","INSPECTION_BEGIN_DT":"01/09/2007","INSPECTION_END_DT":"01/09/2007","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"3","SUM_TOTAL_ON_SITE_HOURS":"1","sourceDate":"2007-01-09"},{"SOURCE_ROW_NUMBER":"198280","EVENT_NO":"4439442","INSPECTION_BEGIN_DT":"08/16/2006","INSPECTION_END_DT":"08/21/2006","ACTIVITY_CODE":"E01","ACTIVITY":"Regular Safety and Health Inspection","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"13","SUM_TOTAL_ON_SITE_HOURS":"5","sourceDate":"2006-08-16"},{"SOURCE_ROW_NUMBER":"448291","EVENT_NO":"4441010","INSPECTION_BEGIN_DT":"05/12/2006","INSPECTION_END_DT":"05/18/2006","ACTIVITY_CODE":"E08","ACTIVITY":"Non-Injury Accident Investigation","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"17","SUM_TOTAL_ON_SITE_HOURS":"4","sourceDate":"2006-05-12"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":6,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2007-Q1":{"hours":0,"employees":0,"production":0},"2006-Q4":{"hours":0,"employees":0,"production":0},"2006-Q3":{"hours":446,"employees":1,"production":7408},"2006-Q2":{"hours":14539,"employees":21,"production":81898},"2006-Q1":{"hours":9436,"employees":15,"production":31240},"2005-Q4":{"hours":0,"employees":0,"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":1,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2006":{"hours":24421,"employees":12,"production":120546}},"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-violations","name":"Violations","domains":["compliance","safety","legal"],"products":["citation and order record","condition text","Title 30 linkage","abatement patterns"],"rowCount":1,"firstDate":"2006-05-12","lastDate":"2006-05-12","metrics":{"ss":0,"amountDue":60,"contested":0,"amountPaid":60,"recentRows":0,"section104d":0,"unterminated":0,"proposedPenalty":60},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"1090521","VIOLATION_NO":"7474992","VIOLATION_ISSUE_DT":"05/12/2006","SIG_SUB":"N","PART_SECTION":"50.10","CIT_ORD_SAFE":"Citation","LIKELIHOOD":"Unlikely","INJ_ILLNESS":"LostDays","NO_AFFECTED":"1","NEGLIGENCE":"ModNegligence","TERMINATION_DT":"05/12/2006","PROPOSED_PENALTY":"60","AMOUNT_DUE":"60","AMOUNT_PAID":"60","CONTESTED_IND":"N","sourceDate":"2006-05-12"}]}],"safety":{"href":"/api/v1/mines/1518942/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/1518942/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","chapterHeading":"CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","citation":"30 CFR 50.10","heading":"Immediate notification.","id":"50.10","officialUrl":"https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-B/section-50.10","part":"50","partHeading":"PART 50—NOTIFICATION, INVESTIGATION, REPORTS AND RECORDS OF ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND COAL PRODUCTION IN MINES","subchapter":"I","subchapterHeading":"SUBCHAPTER I—ACCIDENTS, INJURIES, ILLNESSES, EMPLOYMENT, AND PRODUCTION IN MINES","subpart":"B","subpartHeading":"Subpart B—Notification, Investigation, Preservation of Evidence","text":"The operator shall immediately contact MSHA at once without delay and within 15 minutes at the toll-free number, 1-800-746-1553, once the operator knows or should know that an accident has occurred involving:\n\n(a) A death of an individual at the mine;\n\n(b) An injury of an individual at the mine which has a reasonable potential to cause death;\n\n(c) An entrapment of an individual at the mine which has a reasonable potential to cause death; or\n\n(d) Any other accident.\n\n[74 FR 68919, Dec. 29, 2009]","occurrenceCount":1}],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"1518942","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}