{"data":{"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":"4401009","name":"Virginia Pocahontas 2"},"operator":{"type":"operator","id":"P22421","name":"Island Creek Coal Company"},"controller":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00613","name":"Occidental Petroleum Corp"},"object":{"type":"mine","id":"4401009","name":"Virginia Pocahontas 2"},"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":"4401009|C00613|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02153","name":"Virginia Pocahontas Company"},"object":{"type":"mine","id":"4401009","name":"Virginia Pocahontas 2"},"validFrom":"1950-01-01","validTo":"1978-12-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401009|P02153|1950-01-01|1978-12-12"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02678","name":"Island Creek Coal Co & Jones & Laughlin Steel Corp"},"object":{"type":"mine","id":"4401009","name":"Virginia Pocahontas 2"},"validFrom":"1950-01-01","validTo":"1978-12-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401009|C02678|1950-01-01|1978-12-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02678","name":"Island Creek Coal Co & Jones & Laughlin Steel Corp"},"object":{"type":"operator","id":"P02153","name":"Virginia Pocahontas Company"},"validFrom":"1950-01-01","validTo":"1978-12-12","current":false,"derived":true,"evidenceMineId":"4401009","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401009|P02153|1950-01-01|C02678|1950-01-01|60403"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00737","name":"Island Creek Coal Company"},"object":{"type":"mine","id":"4401009","name":"Virginia Pocahontas 2"},"validFrom":"1978-12-13","validTo":"1993-06-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401009|P00737|1978-12-13|1993-06-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00613","name":"Occidental Petroleum Corp"},"object":{"type":"operator","id":"P00737","name":"Island Creek Coal Company"},"validFrom":"1978-12-13","validTo":"1993-06-30","current":false,"derived":true,"evidenceMineId":"4401009","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401009|P00737|1978-12-13|C00613|1950-01-01|48467"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22421","name":"Island Creek Coal Company"},"object":{"type":"mine","id":"4401009","name":"Virginia Pocahontas 2"},"validFrom":"1993-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401009|P22421|1993-07-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"mine","id":"4401009","name":"Virginia Pocahontas 2"},"validFrom":"1993-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401009|C00692|1993-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"operator","id":"P22421","name":"Island Creek Coal Company"},"validFrom":"1993-07-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4401009","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4401009|P22421|1993-07-01|C00692|1993-07-01|49320"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4401009","dataSource":"postgres","snapshotId":"2026-10-13T11:19:05.459773+00:00","completedAt":"2026-10-13T11:26:59.401Z","sourceCount":20,"totalRows":17906804,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}