{"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":"2026-10-17T05:35:58.500035+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":"1517696","name":"No 7"},"operator":{"type":"operator","id":"P21614","name":"Eagle Coal Company Inc"},"controller":{"type":"controller","id":"C11194","name":"James H  Booth"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11194","name":"James H  Booth et al"},"object":{"type":"mine","id":"1517696","name":"No 7"},"validFrom":"1991-10-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517696|C11194|1991-10-15|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21614","name":"Eagle Coal Company Inc"},"object":{"type":"mine","id":"1517696","name":"No 7"},"validFrom":"1995-07-01","validTo":"1999-05-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517696|P21614|1995-07-01|1999-05-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11194","name":"James H  Booth et al"},"object":{"type":"operator","id":"P21614","name":"Eagle Coal Company Inc"},"validFrom":"1995-07-01","validTo":"1999-05-09","current":false,"derived":true,"evidenceMineId":"1517696","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517696|P21614|1995-07-01|C11194|1991-10-15|83938"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10867","name":"Roger D  Barnette"},"object":{"type":"mine","id":"1517696","name":"No 7"},"validFrom":"1998-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517696|C10867|1998-11-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24067","name":"Tradition Mining Corp"},"object":{"type":"mine","id":"1517696","name":"No 7"},"validFrom":"1999-05-10","validTo":"1999-12-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517696|P24067|1999-05-10|1999-12-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10867","name":"Roger D  Barnette"},"object":{"type":"operator","id":"P24067","name":"Tradition Mining Corp"},"validFrom":"1999-05-10","validTo":"1999-12-26","current":false,"derived":true,"evidenceMineId":"1517696","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517696|P24067|1999-05-10|C10867|1998-11-01|82999"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21614","name":"Eagle Coal Company Inc"},"object":{"type":"mine","id":"1517696","name":"No 7"},"validFrom":"1999-12-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517696|P21614|1999-12-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11194","name":"James H  Booth et al"},"object":{"type":"operator","id":"P21614","name":"Eagle Coal Company Inc"},"validFrom":"1999-12-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"1517696","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517696|P21614|1999-12-27|C11194|1991-10-15|83939"}}],"coverage":{"historyRecords":3,"edgeCount":8,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1517696","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}