{"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":"4606547","name":"Mine #2"},"operator":{"type":"operator","id":"P16121","name":"Jamax Inc"},"controller":{"type":"controller","id":"C11484","name":"Mc Millan James O"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13474","name":"Camp Branch Coal Company Inc"},"object":{"type":"mine","id":"4606547","name":"Mine #2"},"validFrom":"1982-06-01","validTo":"1983-09-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606547|P13474|1982-06-01|1983-09-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09848","name":"Mullins Leontia"},"object":{"type":"mine","id":"4606547","name":"Mine #2"},"validFrom":"1982-06-01","validTo":"1983-09-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606547|C09848|1982-06-01|1983-09-27"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09848","name":"Mullins Leontia"},"object":{"type":"operator","id":"P13474","name":"Camp Branch Coal Company Inc"},"validFrom":"1982-06-01","validTo":"1983-09-27","current":false,"derived":true,"evidenceMineId":"4606547","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606547|P13474|1982-06-01|C09848|1982-06-01|80725"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02245","name":"Hatfield Richard & J Charles Lockhart Et Al"},"object":{"type":"mine","id":"4606547","name":"Mine #2"},"validFrom":"1983-07-25","validTo":"1984-03-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606547|C02245|1983-07-25|1984-03-15"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14657","name":"Master Mining Inc"},"object":{"type":"mine","id":"4606547","name":"Mine #2"},"validFrom":"1983-09-28","validTo":"1984-03-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606547|P14657|1983-09-28|1984-03-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02245","name":"Hatfield Richard & J Charles Lockhart Et Al"},"object":{"type":"operator","id":"P14657","name":"Master Mining Inc"},"validFrom":"1983-09-28","validTo":"1984-03-15","current":false,"derived":true,"evidenceMineId":"4606547","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606547|P14657|1983-09-28|C02245|1983-07-25|57938"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15174","name":"Neibert Coal Company Inc"},"object":{"type":"mine","id":"4606547","name":"Mine #2"},"validFrom":"1984-03-16","validTo":"1984-10-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606547|P15174|1984-03-16|1984-10-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10936","name":"Browning Ted R"},"object":{"type":"mine","id":"4606547","name":"Mine #2"},"validFrom":"1984-03-16","validTo":"1985-08-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606547|C10936|1984-03-16|1985-08-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10936","name":"Browning Ted R"},"object":{"type":"operator","id":"P15174","name":"Neibert Coal Company Inc"},"validFrom":"1984-03-16","validTo":"1984-10-31","current":false,"derived":true,"evidenceMineId":"4606547","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606547|P15174|1984-03-16|C10936|1984-03-16|83167"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P16121","name":"Jamax Inc"},"object":{"type":"mine","id":"4606547","name":"Mine #2"},"validFrom":"1984-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606547|P16121|1984-11-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11484","name":"Mc Millan James O"},"object":{"type":"mine","id":"4606547","name":"Mine #2"},"validFrom":"1984-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606547|C11484|1984-11-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11484","name":"Mc Millan James O"},"object":{"type":"operator","id":"P16121","name":"Jamax Inc"},"validFrom":"1984-11-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4606547","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606547|P16121|1984-11-01|C11484|1984-11-01|84708"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4606547","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"}}