{"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":"4604847","name":"J&N Processing Plant No 1"},"operator":{"type":"operator","id":"P23984","name":"J & N Porcessing Company Llc"},"controller":{"type":"controller","id":"C15733","name":"Jerry L  Bays; Neil E  Bays"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06148","name":"Cyprus Amax Minerals Company"},"object":{"type":"mine","id":"4604847","name":"J&N Processing Plant No 1"},"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":"4604847|C06148|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00720","name":"Maple Meadow Mining Company"},"object":{"type":"mine","id":"4604847","name":"J&N Processing Plant No 1"},"validFrom":"1975-01-01","validTo":"1998-07-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604847|P00720|1975-01-01|1998-07-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06148","name":"Cyprus Amax Minerals Company"},"object":{"type":"operator","id":"P00720","name":"Maple Meadow Mining Company"},"validFrom":"1975-01-01","validTo":"1998-07-14","current":false,"derived":true,"evidenceMineId":"4604847","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604847|P00720|1975-01-01|C06148|1950-01-01|70907"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23984","name":"J & N Porcessing Company Llc"},"object":{"type":"mine","id":"4604847","name":"J&N Processing Plant No 1"},"validFrom":"1998-07-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604847|P23984|1998-07-15|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15733","name":"Neil E  Bays et al"},"object":{"type":"mine","id":"4604847","name":"J&N Processing Plant No 1"},"validFrom":"1998-07-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604847|C15733|1998-07-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15733","name":"Neil E  Bays et al"},"object":{"type":"operator","id":"P23984","name":"J & N Porcessing Company Llc"},"validFrom":"1998-07-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"4604847","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604847|P23984|1998-07-15|C15733|1998-07-15|96640"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15733","name":"Jerry L  Bays et al"},"object":{"type":"operator","id":"P23984","name":"J & N Porcessing Company Llc"},"validFrom":"1998-07-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"4604847","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4604847|P23984|1998-07-15|C15733|1998-07-15|96641"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4604847","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"}}