{"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":"4703669","name":"Rush River Mine"},"operator":{"type":"operator","id":"0125418","name":"Total Excavating LLC"},"controller":{"type":"controller","id":"0127863","name":"Dianna  Kusilek; Wesley  Kusilek; Chris  Kusilek"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0125418","name":"Total Excavating LLC"},"object":{"type":"mine","id":"4703669","name":"Rush River Mine"},"validFrom":"2012-10-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703669|0125418|2012-10-30|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0106627","name":"Wesley  Kusilek"},"object":{"type":"mine","id":"4703669","name":"Rush River Mine"},"validFrom":"2012-10-30","validTo":"2014-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703669|0106627|2012-10-30|2014-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0106627","name":"Wesley  Kusilek"},"object":{"type":"operator","id":"0125418","name":"Total Excavating LLC"},"validFrom":"2012-10-30","validTo":"2014-12-31","current":false,"derived":true,"evidenceMineId":"4703669","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703669|0125418|2012-10-30|0106627|2012-10-30|18897"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127863","name":"Wesley  Kusilek et al"},"object":{"type":"mine","id":"4703669","name":"Rush River Mine"},"validFrom":"2015-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703669|0127863|2015-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127863","name":"Wesley  Kusilek et al"},"object":{"type":"operator","id":"0125418","name":"Total Excavating LLC"},"validFrom":"2015-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703669","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703669|0125418|2012-10-30|0127863|2015-01-01|25058"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127863","name":"Chris  Kusilek et al"},"object":{"type":"operator","id":"0125418","name":"Total Excavating LLC"},"validFrom":"2015-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703669","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703669|0125418|2012-10-30|0127863|2015-01-01|25059"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127863","name":"Dianna  Kusilek et al"},"object":{"type":"operator","id":"0125418","name":"Total Excavating LLC"},"validFrom":"2015-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"4703669","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4703669|0125418|2012-10-30|0127863|2015-01-01|25060"}}],"coverage":{"historyRecords":4,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4703669","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"}}