{"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":"1800748","name":"Taylor # 1"},"operator":{"type":"operator","id":"0051107","name":"ARJ Construction Company Inc"},"controller":{"type":"controller","id":"C14197","name":"Freddie A  Taylor"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24628","name":"George Creek Inc"},"object":{"type":"mine","id":"1800748","name":"Taylor # 1"},"validFrom":"2000-07-01","validTo":"2002-04-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800748|P24628|2000-07-01|2002-04-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01017","name":"Steve A  Konya et al"},"object":{"type":"mine","id":"1800748","name":"Taylor # 1"},"validFrom":"2000-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800748|C01017|2000-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01017","name":"Steve A  Konya et al"},"object":{"type":"operator","id":"P24628","name":"George Creek Inc"},"validFrom":"2000-07-01","validTo":"2002-04-10","current":false,"derived":true,"evidenceMineId":"1800748","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800748|P24628|2000-07-01|C01017|2000-07-01|51757"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01017","name":"William E  Konya et al"},"object":{"type":"operator","id":"P24628","name":"George Creek Inc"},"validFrom":"2000-07-01","validTo":"2002-04-10","current":false,"derived":true,"evidenceMineId":"1800748","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800748|P24628|2000-07-01|C01017|2000-07-01|51758"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01845","name":"Loyal G  Forman Jr"},"object":{"type":"mine","id":"1800748","name":"Taylor # 1"},"validFrom":"2000-12-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800748|C01845|2000-12-15|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15350","name":"Loyal Forman and Son Inc."},"object":{"type":"mine","id":"1800748","name":"Taylor # 1"},"validFrom":"2002-04-11","validTo":"2003-03-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800748|P15350|2002-04-11|2003-03-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01845","name":"Loyal G  Forman Jr"},"object":{"type":"operator","id":"P15350","name":"Loyal Forman and Son Inc."},"validFrom":"2002-04-11","validTo":"2003-03-23","current":false,"derived":true,"evidenceMineId":"1800748","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800748|P15350|2002-04-11|C01845|2000-12-15|56407"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051107","name":"ARJ Construction Company Inc"},"object":{"type":"mine","id":"1800748","name":"Taylor # 1"},"validFrom":"2003-03-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800748|0051107|2003-03-24|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041487","name":"Risa  Taylor"},"object":{"type":"mine","id":"1800748","name":"Taylor # 1"},"validFrom":"2003-03-24","validTo":"2006-02-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800748|0041487|2003-03-24|2006-02-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041487","name":"Risa  Taylor"},"object":{"type":"operator","id":"0051107","name":"ARJ Construction Company Inc"},"validFrom":"2003-03-24","validTo":"2006-02-23","current":false,"derived":true,"evidenceMineId":"1800748","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800748|0051107|2003-03-24|0041487|2003-03-24|2669"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14197","name":"Freddie A  Taylor"},"object":{"type":"mine","id":"1800748","name":"Taylor # 1"},"validFrom":"2006-02-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800748|C14197|2006-02-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14197","name":"Freddie A  Taylor"},"object":{"type":"operator","id":"0051107","name":"ARJ Construction Company Inc"},"validFrom":"2006-02-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"1800748","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1800748|0051107|2003-03-24|C14197|2006-02-24|92195"}}],"coverage":{"historyRecords":5,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1800748","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"}}