{"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":"4609609","name":"TOM BAILEY BRANCH SURFACE MINE"},"operator":{"type":"operator","id":"0068463","name":"ED COAL, INC."},"controller":{"type":"controller","id":"C14555","name":"Everett Gordon Justice"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14555","name":"Everett Gordon Justice"},"object":{"type":"mine","id":"4609609","name":"TOM BAILEY BRANCH SURFACE MINE"},"validFrom":"2006-02-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609609|C14555|2006-02-15|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0177793","name":"Mountain Eagle Mining LLC"},"object":{"type":"mine","id":"4609609","name":"TOM BAILEY BRANCH SURFACE MINE"},"validFrom":"2021-07-05","validTo":"2022-02-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609609|0177793|2021-07-05|2022-02-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0159801","name":"Mike  Jamison et al"},"object":{"type":"mine","id":"4609609","name":"TOM BAILEY BRANCH SURFACE MINE"},"validFrom":"2021-07-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609609|0159801|2021-07-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0159801","name":"Mike  Jamison et al"},"object":{"type":"operator","id":"0177793","name":"Mountain Eagle Mining LLC"},"validFrom":"2021-07-05","validTo":"2022-02-14","current":false,"derived":true,"evidenceMineId":"4609609","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609609|0177793|2021-07-05|0159801|2021-07-05|33346"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0159801","name":"Petri E Koivula et al"},"object":{"type":"operator","id":"0177793","name":"Mountain Eagle Mining LLC"},"validFrom":"2021-07-05","validTo":"2022-02-14","current":false,"derived":true,"evidenceMineId":"4609609","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609609|0177793|2021-07-05|0159801|2021-07-05|33347"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0159801","name":"John  McNab et al"},"object":{"type":"operator","id":"0177793","name":"Mountain Eagle Mining LLC"},"validFrom":"2021-07-05","validTo":"2022-02-14","current":false,"derived":true,"evidenceMineId":"4609609","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609609|0177793|2021-07-05|0159801|2021-07-05|33348"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0068463","name":"Ed Coal, Inc."},"object":{"type":"mine","id":"4609609","name":"TOM BAILEY BRANCH SURFACE MINE"},"validFrom":"2022-02-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609609|0068463|2022-02-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14555","name":"Everett Gordon Justice"},"object":{"type":"operator","id":"0068463","name":"Ed Coal, Inc."},"validFrom":"2022-02-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"4609609","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609609|0068463|2022-02-15|C14555|2006-02-15|93279"}}],"coverage":{"historyRecords":4,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4609609","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"}}