{"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":"3102273","name":"Prevette"},"operator":{"type":"operator","id":"L14121","name":"Tarheel Sand & Stone, Inc."},"controller":{"type":"controller","id":"M10792","name":"Jerry Keith Adams"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M01749","name":"Dean  Rose et al"},"object":{"type":"mine","id":"3102273","name":"Prevette"},"validFrom":"1950-01-01","validTo":"2018-10-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102273|M01749|1950-01-01|2018-10-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10792","name":"Jerry Keith Adams"},"object":{"type":"mine","id":"3102273","name":"Prevette"},"validFrom":"1995-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102273|M10792|1995-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01948","name":"Carl Rose & Sons, Inc."},"object":{"type":"mine","id":"3102273","name":"Prevette"},"validFrom":"2012-05-02","validTo":"2024-09-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102273|L01948|2012-05-02|2024-09-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01749","name":"Dean  Rose et al"},"object":{"type":"operator","id":"L01948","name":"Carl Rose & Sons, Inc."},"validFrom":"2012-05-02","validTo":"2018-10-23","current":false,"derived":true,"evidenceMineId":"3102273","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102273|L01948|2012-05-02|M01749|1950-01-01|120745"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M01749","name":"Dale  Rose et al"},"object":{"type":"operator","id":"L01948","name":"Carl Rose & Sons, Inc."},"validFrom":"2012-05-02","validTo":"2018-10-23","current":false,"derived":true,"evidenceMineId":"3102273","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102273|L01948|2012-05-02|M01749|1950-01-01|120746"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0151261","name":"Dale E  Rose"},"object":{"type":"mine","id":"3102273","name":"Prevette"},"validFrom":"2018-10-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102273|0151261|2018-10-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0151261","name":"Dale E  Rose"},"object":{"type":"operator","id":"L01948","name":"Carl Rose & Sons, Inc."},"validFrom":"2018-10-24","validTo":"2024-09-02","current":false,"derived":true,"evidenceMineId":"3102273","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102273|L01948|2012-05-02|0151261|2018-10-24|31247"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14121","name":"Tarheel Sand & Stone, Inc."},"object":{"type":"mine","id":"3102273","name":"Prevette"},"validFrom":"2024-09-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102273|L14121|2024-09-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10792","name":"Jerry Keith Adams"},"object":{"type":"operator","id":"L14121","name":"Tarheel Sand & Stone, Inc."},"validFrom":"2024-09-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"3102273","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3102273|L14121|2024-09-03|M10792|1995-01-01|150010"}}],"coverage":{"historyRecords":4,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3102273","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"}}