{"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":"2026-10-17T05:35:58.500035+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":"4201517","name":"Castle Gate Prep Plant"},"operator":{"type":"operator","id":"P17790","name":"Castle Gate Holding Company"},"controller":{"type":"controller","id":"C06148","name":"Cyprus Amax Minerals Company"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01528","name":"Mc Culloch Oil Corp"},"object":{"type":"mine","id":"4201517","name":"Castle Gate Prep Plant"},"validFrom":"1974-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4201517|C01528|1974-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01809","name":"Braztah Corp"},"object":{"type":"mine","id":"4201517","name":"Castle Gate Prep Plant"},"validFrom":"1978-11-01","validTo":"1979-12-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4201517|P01809|1978-11-01|1979-12-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01528","name":"Mc Culloch Oil Corp"},"object":{"type":"operator","id":"P01809","name":"Braztah Corp"},"validFrom":"1978-11-01","validTo":"1979-12-14","current":false,"derived":true,"evidenceMineId":"4201517","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4201517|P01809|1978-11-01|C01528|1974-01-01|54469"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00329","name":"American Electric Power Company Inc"},"object":{"type":"mine","id":"4201517","name":"Castle Gate Prep Plant"},"validFrom":"1979-12-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4201517|C00329|1979-12-04|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P09878","name":"Price River Coal Company"},"object":{"type":"mine","id":"4201517","name":"Castle Gate Prep Plant"},"validFrom":"1979-12-15","validTo":"1986-05-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4201517|P09878|1979-12-15|1986-05-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00329","name":"American Electric Power Company Inc"},"object":{"type":"operator","id":"P09878","name":"Price River Coal Company"},"validFrom":"1979-12-15","validTo":"1986-05-29","current":false,"derived":true,"evidenceMineId":"4201517","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4201517|P09878|1979-12-15|C00329|1979-12-04|46177"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17790","name":"Castle Gate Holding Company"},"object":{"type":"mine","id":"4201517","name":"Castle Gate Prep Plant"},"validFrom":"1986-05-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4201517|P17790|1986-05-30|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06148","name":"Cyprus Amax Minerals Company"},"object":{"type":"mine","id":"4201517","name":"Castle Gate Prep Plant"},"validFrom":"1986-05-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4201517|C06148|1986-05-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06148","name":"Cyprus Amax Minerals Company"},"object":{"type":"operator","id":"P17790","name":"Castle Gate Holding Company"},"validFrom":"1986-05-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"4201517","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4201517|P17790|1986-05-30|C06148|1986-05-30|71006"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4201517","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}