{"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":"1514930","name":"S & B #3"},"operator":{"type":"operator","id":"P13202","name":"S & B Coal Company Inc"},"controller":{"type":"controller","id":"C09689","name":"Harold K  Simpson"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09689","name":"Harold K  Simpson"},"object":{"type":"mine","id":"1514930","name":"S & B #3"},"validFrom":"1982-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514930|C09689|1982-04-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16059","name":"Carolina Coal Company"},"object":{"type":"mine","id":"1514930","name":"S & B #3"},"validFrom":"1984-10-01","validTo":"1984-12-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514930|P16059|1984-10-01|1984-12-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11452","name":"Wright Ernest"},"object":{"type":"mine","id":"1514930","name":"S & B #3"},"validFrom":"1984-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514930|C11452|1984-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11452","name":"Wright Ernest"},"object":{"type":"operator","id":"P16059","name":"Carolina Coal Company"},"validFrom":"1984-10-01","validTo":"1984-12-18","current":false,"derived":true,"evidenceMineId":"1514930","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514930|P16059|1984-10-01|C11452|1984-10-01|84650"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16349","name":"Eastland Energy Inc"},"object":{"type":"mine","id":"1514930","name":"S & B #3"},"validFrom":"1984-12-19","validTo":"1985-09-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514930|P16349|1984-12-19|1985-09-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06347","name":"Smith Shorty"},"object":{"type":"mine","id":"1514930","name":"S & B #3"},"validFrom":"1984-12-19","validTo":"1985-09-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514930|C06347|1984-12-19|1985-09-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06347","name":"Smith Shorty"},"object":{"type":"operator","id":"P16349","name":"Eastland Energy Inc"},"validFrom":"1984-12-19","validTo":"1985-09-15","current":false,"derived":true,"evidenceMineId":"1514930","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514930|P16349|1984-12-19|C06347|1984-12-19|71559"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17127","name":"Mald Energy Inc"},"object":{"type":"mine","id":"1514930","name":"S & B #3"},"validFrom":"1985-09-16","validTo":"1986-03-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514930|P17127|1985-09-16|1986-03-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10133","name":"Dunsmore Loy (Loyd) Et Al"},"object":{"type":"mine","id":"1514930","name":"S & B #3"},"validFrom":"1985-09-16","validTo":"1986-03-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514930|C10133|1985-09-16|1986-03-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10133","name":"Dunsmore Loy (Loyd) Et Al"},"object":{"type":"operator","id":"P17127","name":"Mald Energy Inc"},"validFrom":"1985-09-16","validTo":"1986-03-16","current":false,"derived":true,"evidenceMineId":"1514930","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514930|P17127|1985-09-16|C10133|1985-09-16|81294"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13202","name":"S & B Coal Company Inc"},"object":{"type":"mine","id":"1514930","name":"S & B #3"},"validFrom":"1986-03-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514930|P13202|1986-03-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09689","name":"Harold K  Simpson"},"object":{"type":"operator","id":"P13202","name":"S & B Coal Company Inc"},"validFrom":"1986-03-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"1514930","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1514930|P13202|1986-03-17|C09689|1982-04-01|80273"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1514930","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"}}