{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4406531","name":"Mine No 4","status":"Abandoned and Sealed","status_date":"2007-05-08","mine_type":"Underground","coal_metal":"C","commodity":"Coal (Bituminous)","state":"VA","county":"Buchanan","nearest_town":"Hurley","operator_id":"P24422","operator_name":"Kentar Energy Company","controller_id":"0085453","controller_name":"Metinvest B V","district":"C05","office":"Vansant VA Field Office","employees":0,"latitude":37.392222,"longitude":-82.166666},"coverage":{"contributingSources":5,"registeredSources":20,"sourceRows":10},"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":"4406531","name":"Mine No 4"},"operator":{"type":"operator","id":"P24422","name":"Kentar Energy Company"},"controller":{"type":"controller","id":"0085453","name":"Metinvest B V"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00311","name":"Layne Earnest"},"object":{"type":"mine","id":"4406531","name":"Mine No 4"},"validFrom":"1974-10-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406531|C00311|1974-10-03|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00475","name":"Black Bear Coal Corp"},"object":{"type":"mine","id":"4406531","name":"Mine No 4"},"validFrom":"1989-08-01","validTo":"1998-11-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406531|P00475|1989-08-01|1998-11-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00311","name":"Layne Earnest"},"object":{"type":"operator","id":"P00475","name":"Black Bear Coal Corp"},"validFrom":"1989-08-01","validTo":"1998-11-09","current":false,"derived":true,"evidenceMineId":"4406531","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406531|P00475|1989-08-01|C00311|1974-10-03|45996"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13340","name":"Kenneth L  Stacy"},"object":{"type":"mine","id":"4406531","name":"Mine No 4"},"validFrom":"1998-02-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406531|C13340|1998-02-09|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23908","name":"Wellmore Coal Corp"},"object":{"type":"mine","id":"4406531","name":"Mine No 4"},"validFrom":"1998-11-10","validTo":"2003-03-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406531|P23908|1998-11-10|2003-03-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13340","name":"Kenneth L  Stacy"},"object":{"type":"operator","id":"P23908","name":"Wellmore Coal Corp"},"validFrom":"1998-11-10","validTo":"2003-03-24","current":false,"derived":true,"evidenceMineId":"4406531","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406531|P23908|1998-11-10|C13340|1998-02-09|89311"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13340","name":"Kenneth L  Stacy"},"object":{"type":"mine","id":"4406531","name":"Mine No 4"},"validFrom":"2000-05-09","validTo":"2006-03-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406531|C13340|2000-05-09|2006-03-22"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24422","name":"Kentar Energy Company"},"object":{"type":"mine","id":"4406531","name":"Mine No 4"},"validFrom":"2003-03-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406531|P24422|2003-03-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13340","name":"Kenneth L  Stacy"},"object":{"type":"operator","id":"P24422","name":"Kentar Energy Company"},"validFrom":"2003-03-25","validTo":"2006-03-22","current":false,"derived":true,"evidenceMineId":"4406531","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406531|P24422|2003-03-25|C13340|2000-05-09|89319"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00375","name":"United  Company"},"object":{"type":"mine","id":"4406531","name":"Mine No 4"},"validFrom":"2006-03-23","validTo":"2009-04-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406531|C00375|2006-03-23|2009-04-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00375","name":"United  Company"},"object":{"type":"operator","id":"P24422","name":"Kentar Energy Company"},"validFrom":"2006-03-23","validTo":"2009-04-29","current":false,"derived":true,"evidenceMineId":"4406531","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406531|P24422|2003-03-25|C00375|2006-03-23|46796"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0085453","name":"Metinvest B V"},"object":{"type":"mine","id":"4406531","name":"Mine No 4"},"validFrom":"2009-04-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406531|0085453|2009-04-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0085453","name":"Metinvest B V"},"object":{"type":"operator","id":"P24422","name":"Kentar Energy Company"},"validFrom":"2009-04-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"4406531","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4406531|P24422|2003-03-25|0085453|2009-04-30|13511"}}],"coverage":{"historyRecords":5,"edgeCount":13,"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":"2007-05-08","lastDate":"2007-05-08","metrics":{},"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":"1989-08-01","lastDate":"2003-03-25","metrics":{"recentRows":0,"currentOperatorTenures":3,"completedOperatorTenures":2},"periods":{},"recentRecords":[]},{"id":"msha-inspections","name":"Inspections","domains":["safety","compliance"],"products":["inspection mix","on-site hours","event context","citation rate denominator"],"rowCount":1,"firstDate":"2007-05-11","lastDate":"2007-05-11","metrics":{"inspectors":1,"recentRows":0,"onSiteHours":0.5,"inspectionHours":4.5,"inspectionSamples":0},"periods":{},"recentRecords":[{"SOURCE_ROW_NUMBER":"623745","EVENT_NO":"4402550","INSPECTION_BEGIN_DT":"05/11/2007","INSPECTION_END_DT":"05/11/2007","ACTIVITY_CODE":"E28","ACTIVITY":"Mine Idle Activity","NBR_INSPECTOR":"1","SUM_TOTAL_INSP_HOURS":"4.5","SUM_TOTAL_ON_SITE_HOURS":".5","sourceDate":"2007-05-11"}]},{"id":"msha-mine-production-quarterly","name":"Mine Employment and Production — Quarterly","domains":["production","safety","compliance"],"products":["production trend","employee hours","rate denominators","seasonality"],"rowCount":2,"firstDate":null,"lastDate":null,"metrics":{},"periods":{"2000-Q2":{"hours":0,"employees":0,"production":0},"2000-Q1":{"hours":0,"employees":0,"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":[]}],"safety":{"href":"/api/v1/mines/4406531/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4406531/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":[],"fullCorpus":"/data/title30-sections.json"}}},"meta":{"representation":"json","mineId":"4406531","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}