{"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":"1518202","name":"Red Oak"},"operator":{"type":"operator","id":"0078583","name":"Midwest Resources LLC"},"controller":{"type":"controller","id":"0066009","name":"Gary L  Barker; Robert  Hatton"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03753","name":"Talmage D  Meade"},"object":{"type":"mine","id":"1518202","name":"Red Oak"},"validFrom":"1975-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518202|C03753|1975-04-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P06670","name":"Meade & Shepherd Coal Company Inc"},"object":{"type":"mine","id":"1518202","name":"Red Oak"},"validFrom":"1999-09-01","validTo":"2003-01-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518202|P06670|1999-09-01|2003-01-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03753","name":"Talmage D  Meade"},"object":{"type":"operator","id":"P06670","name":"Meade & Shepherd Coal Company Inc"},"validFrom":"1999-09-01","validTo":"2003-01-21","current":false,"derived":true,"evidenceMineId":"1518202","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518202|P06670|1999-09-01|C03753|1975-04-01|63750"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C16073","name":"John C  Smith Jr"},"object":{"type":"mine","id":"1518202","name":"Red Oak"},"validFrom":"2001-03-19","validTo":"2006-01-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518202|C16073|2001-03-19|2006-01-16"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24602","name":"Appalachian Fuels, LLC"},"object":{"type":"mine","id":"1518202","name":"Red Oak"},"validFrom":"2003-01-22","validTo":"2007-01-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518202|P24602|2003-01-22|2007-01-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C16073","name":"John C  Smith Jr"},"object":{"type":"operator","id":"P24602","name":"Appalachian Fuels, LLC"},"validFrom":"2003-01-22","validTo":"2006-01-16","current":false,"derived":true,"evidenceMineId":"1518202","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518202|P24602|2003-01-22|C16073|2001-03-19|98267"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0056689","name":"Energy Coal Resources Inc"},"object":{"type":"mine","id":"1518202","name":"Red Oak"},"validFrom":"2006-01-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518202|0056689|2006-01-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0056689","name":"Energy Coal Resources Inc"},"object":{"type":"operator","id":"P24602","name":"Appalachian Fuels, LLC"},"validFrom":"2006-01-17","validTo":"2007-01-31","current":false,"derived":true,"evidenceMineId":"1518202","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518202|P24602|2003-01-22|0056689|2006-01-17|7414"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0078583","name":"Midwest Resources LLC"},"object":{"type":"mine","id":"1518202","name":"Red Oak"},"validFrom":"2007-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518202|0078583|2007-02-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0066009","name":"Gary L  Barker et al"},"object":{"type":"mine","id":"1518202","name":"Red Oak"},"validFrom":"2007-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518202|0066009|2007-02-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0066009","name":"Gary L  Barker et al"},"object":{"type":"operator","id":"0078583","name":"Midwest Resources LLC"},"validFrom":"2007-02-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518202","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518202|0078583|2007-02-01|0066009|2007-02-01|9142"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0066009","name":"Robert  Hatton et al"},"object":{"type":"operator","id":"0078583","name":"Midwest Resources LLC"},"validFrom":"2007-02-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518202","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518202|0078583|2007-02-01|0066009|2007-02-01|9143"}}],"coverage":{"historyRecords":5,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1518202","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"}}