{"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":"0503031","name":"C-JD-7"},"operator":{"type":"operator","id":"0204073","name":"Highbury Resources Inc."},"controller":{"type":"controller","id":"0194380","name":"Anfield Energy Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01129","name":"Kelmine Corp"},"object":{"type":"mine","id":"0503031","name":"C-JD-7"},"validFrom":"1950-01-01","validTo":"1979-10-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503031|L01129|1950-01-01|1979-10-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00986","name":"Colorado Kenworth Inc"},"object":{"type":"mine","id":"0503031","name":"C-JD-7"},"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":"0503031|M00986|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00986","name":"Colorado Kenworth Inc"},"object":{"type":"operator","id":"L01129","name":"Kelmine Corp"},"validFrom":"1950-01-01","validTo":"1979-10-31","current":false,"derived":true,"evidenceMineId":"0503031","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503031|L01129|1950-01-01|M00986|1950-01-01|116311"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01577","name":"Commonwealth Edison Company"},"object":{"type":"mine","id":"0503031","name":"C-JD-7"},"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":"0503031|M01577|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01753","name":"Cotter Corp"},"object":{"type":"mine","id":"0503031","name":"C-JD-7"},"validFrom":"1979-11-01","validTo":"2000-02-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503031|L01753|1979-11-01|2000-02-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01577","name":"Commonwealth Edison Company"},"object":{"type":"operator","id":"L01753","name":"Cotter Corp"},"validFrom":"1979-11-01","validTo":"2000-02-17","current":false,"derived":true,"evidenceMineId":"0503031","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503031|L01753|1979-11-01|M01577|1950-01-01|119392"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17300","name":"Cotter Corporation"},"object":{"type":"mine","id":"0503031","name":"C-JD-7"},"validFrom":"2000-02-18","validTo":"2025-06-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503031|L17300|2000-02-18|2025-06-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13191","name":"General Atomics Uranium Resources"},"object":{"type":"mine","id":"0503031","name":"C-JD-7"},"validFrom":"2000-02-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503031|M13191|2000-02-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13191","name":"General Atomics Uranium Resources"},"object":{"type":"operator","id":"L17300","name":"Cotter Corporation"},"validFrom":"2000-02-18","validTo":"2025-06-24","current":false,"derived":true,"evidenceMineId":"0503031","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503031|L17300|2000-02-18|M13191|2000-02-18|155701"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0204073","name":"Highbury Resources Inc."},"object":{"type":"mine","id":"0503031","name":"C-JD-7"},"validFrom":"2025-06-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503031|0204073|2025-06-25|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0194380","name":"Anfield Energy Inc"},"object":{"type":"mine","id":"0503031","name":"C-JD-7"},"validFrom":"2025-06-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503031|0194380|2025-06-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0194380","name":"Anfield Energy Inc"},"object":{"type":"operator","id":"0204073","name":"Highbury Resources Inc."},"validFrom":"2025-06-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"0503031","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0503031|0204073|2025-06-25|0194380|2025-06-25|41557"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0503031","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"}}