{"data":{"schemaVersion":"realm.mine-profile.v1","generatedAt":"2026-10-13T11:26:59.401Z","identity":{"mine_id":"4608182","name":"Blue Knob Surface","status":"Abandoned","status_date":"1995-11-06","mine_type":"Surface","coal_metal":"C","commodity":"Coal (Bituminous)","state":"WV","county":"Greenbrier","nearest_town":"Rupert","operator_id":"P24023","operator_name":"Coastal Coal-West Virginia Llc","controller_id":"C01883","controller_name":"El Paso Energy Corp","district":"C04","office":"Summersville WV Field Office","employees":0,"latitude":38.0603,"longitude":-80.6083},"coverage":{"contributingSources":3,"registeredSources":20,"sourceRows":4},"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":"4608182","name":"Blue Knob Surface"},"operator":{"type":"operator","id":"P24023","name":"Coastal Coal-West Virginia Llc"},"controller":{"type":"controller","id":"C01883","name":"El Paso Energy Corp"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04361","name":"James G  Bryant"},"object":{"type":"mine","id":"4608182","name":"Blue Knob Surface"},"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":"4608182|C04361|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01883","name":"El Paso Energy Corp"},"object":{"type":"mine","id":"4608182","name":"Blue Knob Surface"},"validFrom":"1979-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608182|C01883|1979-10-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07694","name":"Bryant Mining Company Inc"},"object":{"type":"mine","id":"4608182","name":"Blue Knob Surface"},"validFrom":"1992-06-01","validTo":"1997-02-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608182|P07694|1992-06-01|1997-02-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04361","name":"James G  Bryant"},"object":{"type":"operator","id":"P07694","name":"Bryant Mining Company Inc"},"validFrom":"1992-06-01","validTo":"1997-02-05","current":false,"derived":true,"evidenceMineId":"4608182","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608182|P07694|1992-06-01|C04361|1950-01-01|65736"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24023","name":"Coastal Coal-West Virginia Llc"},"object":{"type":"mine","id":"4608182","name":"Blue Knob Surface"},"validFrom":"1997-02-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608182|P24023|1997-02-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01883","name":"El Paso Energy Corp"},"object":{"type":"operator","id":"P24023","name":"Coastal Coal-West Virginia Llc"},"validFrom":"1997-02-06","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608182","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608182|P24023|1997-02-06|C01883|1979-10-01|56593"}}],"coverage":{"historyRecords":2,"edgeCount":6,"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":"1995-11-06","lastDate":"1995-11-06","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":2,"firstDate":"1992-06-01","lastDate":"1997-02-06","metrics":{"recentRows":0,"currentOperatorTenures":1,"completedOperatorTenures":1},"periods":{},"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/4608182/safety","description":"Full-period safety series, top CFR sections and paginated activity. Requires PostgreSQL."},"silica":{"href":"/api/v1/mines/4608182/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":"4608182","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804}}