{"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":"1508255","name":"No 2"},"operator":{"type":"operator","id":"P18113","name":"Jamboree Coals Inc"},"controller":{"type":"controller","id":"C00571","name":"Jack  Fannin"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00765","name":"General Energy Corp"},"object":{"type":"mine","id":"1508255","name":"No 2"},"validFrom":"1950-01-01","validTo":"1982-04-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508255|C00765|1950-01-01|1982-04-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01062","name":"Johns Barry Et Al"},"object":{"type":"mine","id":"1508255","name":"No 2"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508255|C01062|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01243","name":"Old South Mining Company Inc"},"object":{"type":"mine","id":"1508255","name":"No 2"},"validFrom":"1975-01-01","validTo":"1980-03-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508255|P01243|1975-01-01|1980-03-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01062","name":"Johns Barry Et Al"},"object":{"type":"operator","id":"P01243","name":"Old South Mining Company Inc"},"validFrom":"1975-01-01","validTo":"1980-03-03","current":false,"derived":true,"evidenceMineId":"1508255","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508255|P01243|1975-01-01|C01062|1950-01-01|52020"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02060","name":"Mc Coy Elkhorn Coal Corp"},"object":{"type":"mine","id":"1508255","name":"No 2"},"validFrom":"1980-03-04","validTo":"1982-04-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508255|P02060|1980-03-04|1982-04-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00765","name":"General Energy Corp"},"object":{"type":"operator","id":"P02060","name":"Mc Coy Elkhorn Coal Corp"},"validFrom":"1980-03-04","validTo":"1982-04-29","current":false,"derived":true,"evidenceMineId":"1508255","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508255|P02060|1980-03-04|C00765|1950-01-01|49877"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09784","name":"Williams Companies Inc"},"object":{"type":"mine","id":"1508255","name":"No 2"},"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":"1508255|C09784|1982-04-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13414","name":"Mc Coy Elkhorn Coal Corp"},"object":{"type":"mine","id":"1508255","name":"No 2"},"validFrom":"1982-04-30","validTo":"1987-06-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508255|P13414|1982-04-30|1987-06-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09784","name":"Williams Companies Inc"},"object":{"type":"operator","id":"P13414","name":"Mc Coy Elkhorn Coal Corp"},"validFrom":"1982-04-30","validTo":"1987-06-09","current":false,"derived":true,"evidenceMineId":"1508255","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508255|P13414|1982-04-30|C09784|1982-04-01|80516"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00571","name":"Jack  Fannin et al"},"object":{"type":"mine","id":"1508255","name":"No 2"},"validFrom":"1985-04-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508255|C00571|1985-04-02|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18113","name":"Jamboree Coals Inc"},"object":{"type":"mine","id":"1508255","name":"No 2"},"validFrom":"1987-06-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508255|P18113|1987-06-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00571","name":"Jack  Fannin et al"},"object":{"type":"operator","id":"P18113","name":"Jamboree Coals Inc"},"validFrom":"1987-06-10","validTo":null,"current":true,"derived":true,"evidenceMineId":"1508255","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1508255|P18113|1987-06-10|C00571|1985-04-02|48148"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1508255","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"}}