{"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":"2026-10-18T09:31:49.615908+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":"4405608","name":"English Branch Prep Plant"},"operator":{"type":"operator","id":"0187693","name":"Southwest Virginia Mining Company, LLC"},"controller":{"type":"controller","id":"0175281","name":"Mason Resource Investments LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01767","name":"Sunoco, Inc."},"object":{"type":"mine","id":"4405608","name":"English Branch Prep Plant"},"validFrom":"1979-10-17","validTo":"2012-01-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4405608|C01767|1979-10-17|2012-01-16"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10903","name":"Jewell Smokeless Coal Corp"},"object":{"type":"mine","id":"4405608","name":"English Branch Prep Plant"},"validFrom":"1981-04-01","validTo":"2023-01-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4405608|P10903|1981-04-01|2023-01-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01767","name":"Sunoco, Inc."},"object":{"type":"operator","id":"P10903","name":"Jewell Smokeless Coal Corp"},"validFrom":"1981-04-01","validTo":"2012-01-16","current":false,"derived":true,"evidenceMineId":"4405608","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4405608|P10903|1981-04-01|C01767|1979-10-17|55869"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0104093","name":"SunCoke Energy Incorporated"},"object":{"type":"mine","id":"4405608","name":"English Branch Prep Plant"},"validFrom":"2012-01-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4405608|0104093|2012-01-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0104093","name":"SunCoke Energy Incorporated"},"object":{"type":"operator","id":"P10903","name":"Jewell Smokeless Coal Corp"},"validFrom":"2012-01-17","validTo":"2023-01-25","current":false,"derived":true,"evidenceMineId":"4405608","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4405608|P10903|1981-04-01|0104093|2012-01-17|18023"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0187693","name":"Southwest Virginia Mining Company, LLC"},"object":{"type":"mine","id":"4405608","name":"English Branch Prep Plant"},"validFrom":"2023-01-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4405608|0187693|2023-01-26|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0175281","name":"Mason Resource Investments LLC"},"object":{"type":"mine","id":"4405608","name":"English Branch Prep Plant"},"validFrom":"2023-01-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4405608|0175281|2023-01-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0175281","name":"Mason Resource Investments LLC"},"object":{"type":"operator","id":"0187693","name":"Southwest Virginia Mining Company, LLC"},"validFrom":"2023-01-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"4405608","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"4405608|0187693|2023-01-26|0175281|2023-01-26|37405"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4405608","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}