{"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":"4404733","name":"Mine No 7"},"operator":{"type":"operator","id":"P13362","name":"Four-O-Mining Company Inc"},"controller":{"type":"controller","id":"C09789","name":"Ricky L  Owens"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00761","name":"Omalene  Deel et al"},"object":{"type":"mine","id":"4404733","name":"Mine No 7"},"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":"4404733|C00761|1975-04-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P06849","name":"Presley Branch Coal Company"},"object":{"type":"mine","id":"4404733","name":"Mine No 7"},"validFrom":"1977-06-01","validTo":"1979-12-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404733|P06849|1977-06-01|1979-12-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05685","name":"David C  Hill et al"},"object":{"type":"mine","id":"4404733","name":"Mine No 7"},"validFrom":"1977-06-01","validTo":"1979-12-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404733|C05685|1977-06-01|1979-12-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05685","name":"David C  Hill et al"},"object":{"type":"operator","id":"P06849","name":"Presley Branch Coal Company"},"validFrom":"1977-06-01","validTo":"1979-12-16","current":false,"derived":true,"evidenceMineId":"4404733","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404733|P06849|1977-06-01|C05685|1977-06-01|69582"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00887","name":"Golden Chip Coal Company Inc"},"object":{"type":"mine","id":"4404733","name":"Mine No 7"},"validFrom":"1979-12-17","validTo":"1999-02-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404733|P00887|1979-12-17|1999-02-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00761","name":"Omalene  Deel et al"},"object":{"type":"operator","id":"P00887","name":"Golden Chip Coal Company Inc"},"validFrom":"1979-12-17","validTo":"1999-02-24","current":false,"derived":true,"evidenceMineId":"4404733","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404733|P00887|1979-12-17|C00761|1975-04-01|49823"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09789","name":"Ricky L  Owens"},"object":{"type":"mine","id":"4404733","name":"Mine No 7"},"validFrom":"1982-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404733|C09789|1982-06-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13362","name":"Four-O-Mining Company Inc"},"object":{"type":"mine","id":"4404733","name":"Mine No 7"},"validFrom":"1999-02-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404733|P13362|1999-02-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09789","name":"Ricky L  Owens"},"object":{"type":"operator","id":"P13362","name":"Four-O-Mining Company Inc"},"validFrom":"1999-02-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"4404733","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4404733|P13362|1999-02-25|C09789|1982-06-01|80596"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4404733","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"}}