{"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":"4608852","name":"10A Mine"},"operator":{"type":"operator","id":"0051081","name":"Brooks Run Mining Company LLC"},"controller":{"type":"controller","id":"0137121","name":"Pristine Clean Energy LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01883","name":"El Paso Energy Corp"},"object":{"type":"mine","id":"4608852","name":"10A Mine"},"validFrom":"1979-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608852|C01883|1979-10-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24023","name":"Coastal Coal-West Virginia, LLC"},"object":{"type":"mine","id":"4608852","name":"10A Mine"},"validFrom":"2000-09-01","validTo":"2003-01-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608852|P24023|2000-09-01|2003-01-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01883","name":"El Paso Energy Corp"},"object":{"type":"operator","id":"P24023","name":"Coastal Coal-West Virginia, LLC"},"validFrom":"2000-09-01","validTo":"2003-01-31","current":false,"derived":true,"evidenceMineId":"4608852","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608852|P24023|2000-09-01|C01883|1979-10-01|56605"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051081","name":"Brooks Run Mining Company LLC"},"object":{"type":"mine","id":"4608852","name":"10A Mine"},"validFrom":"2003-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608852|0051081|2003-02-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"4608852","name":"10A Mine"},"validFrom":"2003-02-01","validTo":"2016-07-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608852|0041211|2003-02-01|2016-07-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"0051081","name":"Brooks Run Mining Company LLC"},"validFrom":"2003-02-01","validTo":"2016-07-25","current":false,"derived":true,"evidenceMineId":"4608852","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608852|0051081|2003-02-01|0041211|2003-02-01|1671"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"mine","id":"4608852","name":"10A Mine"},"validFrom":"2016-07-26","validTo":"2017-10-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608852|0127923|2016-07-26|2017-10-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"0051081","name":"Brooks Run Mining Company LLC"},"validFrom":"2016-07-26","validTo":"2017-10-04","current":false,"derived":true,"evidenceMineId":"4608852","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608852|0051081|2003-02-01|0127923|2016-07-26|25087"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0137121","name":"Pristine Clean Energy LLC"},"object":{"type":"mine","id":"4608852","name":"10A Mine"},"validFrom":"2017-10-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608852|0137121|2017-10-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0137121","name":"Pristine Clean Energy LLC"},"object":{"type":"operator","id":"0051081","name":"Brooks Run Mining Company LLC"},"validFrom":"2017-10-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608852","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608852|0051081|2003-02-01|0137121|2017-10-05|27636"}}],"coverage":{"historyRecords":4,"edgeCount":10,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4608852","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"}}