{"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":"1519849","name":"Buffalo Valley Resources LLC"},"operator":{"type":"operator","id":"0161913","name":"Buffalo Valley Resources LLC"},"controller":{"type":"controller","id":"0146041","name":"Jeff  Kinser; Frank  Lusher; Greg  Lusher; Mike  Kitchen"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0161913","name":"Buffalo Valley Resources LLC"},"object":{"type":"mine","id":"1519849","name":"Buffalo Valley Resources LLC"},"validFrom":"2019-02-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519849|0161913|2019-02-27|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0146041","name":"Frank  Lusher et al"},"object":{"type":"mine","id":"1519849","name":"Buffalo Valley Resources LLC"},"validFrom":"2019-02-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519849|0146041|2019-02-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0146041","name":"Frank  Lusher et al"},"object":{"type":"operator","id":"0161913","name":"Buffalo Valley Resources LLC"},"validFrom":"2019-02-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519849","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519849|0161913|2019-02-27|0146041|2019-02-27|29901"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0146041","name":"Jeff  Kinser et al"},"object":{"type":"operator","id":"0161913","name":"Buffalo Valley Resources LLC"},"validFrom":"2019-02-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519849","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519849|0161913|2019-02-27|0146041|2019-02-27|29902"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0146041","name":"Greg  Lusher et al"},"object":{"type":"operator","id":"0161913","name":"Buffalo Valley Resources LLC"},"validFrom":"2019-02-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519849","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519849|0161913|2019-02-27|0146041|2019-02-27|29903"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0146041","name":"Mike  Kitchen et al"},"object":{"type":"operator","id":"0161913","name":"Buffalo Valley Resources LLC"},"validFrom":"2019-02-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519849","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519849|0161913|2019-02-27|0146041|2019-02-27|29904"}}],"coverage":{"historyRecords":4,"edgeCount":6,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1519849","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"}}