{"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":"1518263","name":"T M I Reclamation"},"operator":{"type":"operator","id":"P22074","name":"Childress Construction Company"},"controller":{"type":"controller","id":"C14710","name":"Charles  Childress; Carl H  Childress"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14710","name":"Charles  Childress et al"},"object":{"type":"mine","id":"1518263","name":"T M I Reclamation"},"validFrom":"1992-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518263|C14710|1992-08-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24392","name":"Balor Enterprises LLC"},"object":{"type":"mine","id":"1518263","name":"T M I Reclamation"},"validFrom":"2000-06-01","validTo":"2003-10-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518263|P24392|2000-06-01|2003-10-07"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15923","name":"Joe  Ballard"},"object":{"type":"mine","id":"1518263","name":"T M I Reclamation"},"validFrom":"2000-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518263|C15923|2000-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15923","name":"Joe  Ballard"},"object":{"type":"operator","id":"P24392","name":"Balor Enterprises LLC"},"validFrom":"2000-06-01","validTo":"2003-10-07","current":false,"derived":true,"evidenceMineId":"1518263","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518263|P24392|2000-06-01|C15923|2000-06-01|97619"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22074","name":"Childress Construction Company"},"object":{"type":"mine","id":"1518263","name":"T M I Reclamation"},"validFrom":"2003-10-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518263|P22074|2003-10-08|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14710","name":"Charles  Childress et al"},"object":{"type":"operator","id":"P22074","name":"Childress Construction Company"},"validFrom":"2003-10-08","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518263","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518263|P22074|2003-10-08|C14710|1992-08-01|93638"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14710","name":"Carl H  Childress et al"},"object":{"type":"operator","id":"P22074","name":"Childress Construction Company"},"validFrom":"2003-10-08","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518263","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518263|P22074|2003-10-08|C14710|1992-08-01|93639"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1518263","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"}}