{"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":"2602697","name":"Emigrant"},"operator":{"type":"operator","id":"0165474","name":"Nevada Gold Mines LLC"},"controller":{"type":"controller","id":"0149763","name":"Barrick Nevada Holding LLC; Newmont USA Limited"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00165","name":"Newmont Corporation"},"object":{"type":"mine","id":"2602697","name":"Emigrant"},"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":"2602697|M00165|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15317","name":"Newmont USA Limited"},"object":{"type":"mine","id":"2602697","name":"Emigrant"},"validFrom":"2011-03-28","validTo":"2019-07-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602697|L15317|2011-03-28|2019-07-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00165","name":"Newmont Corporation"},"object":{"type":"operator","id":"L15317","name":"Newmont USA Limited"},"validFrom":"2011-03-28","validTo":"2019-07-22","current":false,"derived":true,"evidenceMineId":"2602697","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602697|L15317|2011-03-28|M00165|1950-01-01|105480"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0149763","name":"Barrick Nevada Holding LLC et al"},"object":{"type":"mine","id":"2602697","name":"Emigrant"},"validFrom":"2019-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602697|0149763|2019-07-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0165474","name":"Nevada Gold Mines LLC"},"object":{"type":"mine","id":"2602697","name":"Emigrant"},"validFrom":"2019-07-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602697|0165474|2019-07-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0149763","name":"Barrick Nevada Holding LLC et al"},"object":{"type":"operator","id":"0165474","name":"Nevada Gold Mines LLC"},"validFrom":"2019-07-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"2602697","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602697|0165474|2019-07-23|0149763|2019-07-01|30800"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0149763","name":"Newmont USA Limited et al"},"object":{"type":"operator","id":"0165474","name":"Nevada Gold Mines LLC"},"validFrom":"2019-07-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"2602697","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602697|0165474|2019-07-23|0149763|2019-07-01|30801"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2602697","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"}}