{"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":"1510444","name":"No 1 Mine"},"operator":{"type":"operator","id":"P16003","name":"J & D Coal Company"},"controller":{"type":"controller","id":"C11425","name":"Poteet J W & Daniel Pennington"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P06145","name":"Cynthia Ann Coal Company Inc"},"object":{"type":"mine","id":"1510444","name":"No 1 Mine"},"validFrom":"1977-06-01","validTo":"1979-04-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|P06145|1977-06-01|1979-04-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05122","name":"Garrett Charles"},"object":{"type":"mine","id":"1510444","name":"No 1 Mine"},"validFrom":"1977-06-01","validTo":"1979-04-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|C05122|1977-06-01|1979-04-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05122","name":"Garrett Charles"},"object":{"type":"operator","id":"P06145","name":"Cynthia Ann Coal Company Inc"},"validFrom":"1977-06-01","validTo":"1979-04-16","current":false,"derived":true,"evidenceMineId":"1510444","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|P06145|1977-06-01|C05122|1977-06-01|67578"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P09279","name":"Cynthia Ann Coal Company Inc"},"object":{"type":"mine","id":"1510444","name":"No 1 Mine"},"validFrom":"1979-04-17","validTo":"1981-10-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|P09279|1979-04-17|1981-10-07"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07317","name":"Jones Harold Gregory"},"object":{"type":"mine","id":"1510444","name":"No 1 Mine"},"validFrom":"1979-04-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|C07317|1979-04-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07317","name":"Jones Harold Gregory"},"object":{"type":"operator","id":"P09279","name":"Cynthia Ann Coal Company Inc"},"validFrom":"1979-04-17","validTo":"1981-10-07","current":false,"derived":true,"evidenceMineId":"1510444","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|P09279|1979-04-17|C07317|1979-04-17|74333"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01056","name":"Osborne Randall"},"object":{"type":"mine","id":"1510444","name":"No 1 Mine"},"validFrom":"1981-03-01","validTo":"1983-04-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|C01056|1981-03-01|1983-04-14"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11673","name":"Lee Coals Inc"},"object":{"type":"mine","id":"1510444","name":"No 1 Mine"},"validFrom":"1981-10-08","validTo":"1983-04-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|P11673|1981-10-08|1983-04-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01056","name":"Osborne Randall"},"object":{"type":"operator","id":"P11673","name":"Lee Coals Inc"},"validFrom":"1981-10-08","validTo":"1983-04-14","current":false,"derived":true,"evidenceMineId":"1510444","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|P11673|1981-10-08|C01056|1981-03-01|51973"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10421","name":"Osborne Ada Jo & Vera"},"object":{"type":"mine","id":"1510444","name":"No 1 Mine"},"validFrom":"1983-02-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|C10421|1983-02-28|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14358","name":"Vo Jo Coals Inc"},"object":{"type":"mine","id":"1510444","name":"No 1 Mine"},"validFrom":"1983-04-15","validTo":"1984-07-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|P14358|1983-04-15|1984-07-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10421","name":"Osborne Ada Jo & Vera"},"object":{"type":"operator","id":"P14358","name":"Vo Jo Coals Inc"},"validFrom":"1983-04-15","validTo":"1984-07-25","current":false,"derived":true,"evidenceMineId":"1510444","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|P14358|1983-04-15|C10421|1983-02-28|81958"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16003","name":"J & D Coal Company"},"object":{"type":"mine","id":"1510444","name":"No 1 Mine"},"validFrom":"1984-07-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|P16003|1984-07-26|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11425","name":"Poteet J W & Daniel Pennington"},"object":{"type":"mine","id":"1510444","name":"No 1 Mine"},"validFrom":"1984-07-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|C11425|1984-07-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11425","name":"Poteet J W & Daniel Pennington"},"object":{"type":"operator","id":"P16003","name":"J & D Coal Company"},"validFrom":"1984-07-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"1510444","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510444|P16003|1984-07-26|C11425|1984-07-26|84558"}}],"coverage":{"historyRecords":5,"edgeCount":15,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1510444","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"}}