{"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":"2026-10-17T05:35:58.500035+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":"5001613","name":"Little Eldorado"},"operator":{"type":"operator","id":"0175177","name":"Big Sky Exploration LLC"},"controller":{"type":"controller","id":"0187841","name":"Cary  Williams; Scott  Greene"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10048","name":"Roberts Michael D & Ellen E"},"object":{"type":"mine","id":"5001613","name":"Little Eldorado"},"validFrom":"1989-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5001613|M10048|1989-02-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L13150","name":"Roberts Mining"},"object":{"type":"mine","id":"5001613","name":"Little Eldorado"},"validFrom":"1993-06-01","validTo":"2024-09-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5001613|L13150|1993-06-01|2024-09-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10048","name":"Roberts Michael D & Ellen E"},"object":{"type":"operator","id":"L13150","name":"Roberts Mining"},"validFrom":"1993-06-01","validTo":"2024-09-29","current":false,"derived":true,"evidenceMineId":"5001613","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5001613|L13150|1993-06-01|M10048|1989-02-01|148272"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0160326","name":"Cary  Williams et al"},"object":{"type":"mine","id":"5001613","name":"Little Eldorado"},"validFrom":"2021-02-18","validTo":"2024-09-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5001613|0160326|2021-02-18|2024-09-29"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0175177","name":"Big Sky Exploration LLC"},"object":{"type":"mine","id":"5001613","name":"Little Eldorado"},"validFrom":"2024-09-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5001613|0175177|2024-09-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0160326","name":"Cary  Williams et al"},"object":{"type":"operator","id":"0175177","name":"Big Sky Exploration LLC"},"validFrom":"2024-09-30","validTo":"2024-09-29","current":false,"derived":true,"evidenceMineId":"5001613","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5001613|0175177|2024-09-30|0160326|2021-02-18|33488"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0160326","name":"Steve  Cutler et al"},"object":{"type":"operator","id":"0175177","name":"Big Sky Exploration LLC"},"validFrom":"2024-09-30","validTo":"2024-09-29","current":false,"derived":true,"evidenceMineId":"5001613","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5001613|0175177|2024-09-30|0160326|2021-02-18|33489"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0187841","name":"Cary  Williams et al"},"object":{"type":"mine","id":"5001613","name":"Little Eldorado"},"validFrom":"2024-09-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5001613|0187841|2024-09-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0187841","name":"Cary  Williams et al"},"object":{"type":"operator","id":"0175177","name":"Big Sky Exploration LLC"},"validFrom":"2024-09-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"5001613","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5001613|0175177|2024-09-30|0187841|2024-09-30|40065"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0187841","name":"Scott  Greene et al"},"object":{"type":"operator","id":"0175177","name":"Big Sky Exploration LLC"},"validFrom":"2024-09-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"5001613","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"5001613|0175177|2024-09-30|0187841|2024-09-30|40066"}}],"coverage":{"historyRecords":5,"edgeCount":10,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"5001613","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}