{"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":"4602446","name":"McDonald Fork Impoundment"},"operator":{"type":"operator","id":"0149793","name":"CM Energy Operations LP"},"controller":{"type":"controller","id":"0170221","name":"David Michael  Jamison; Petri E Koivula"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17992","name":"Laurel Run Mining Company"},"object":{"type":"mine","id":"4602446","name":"McDonald Fork Impoundment"},"validFrom":"1950-01-01","validTo":"1993-06-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|P17992|1950-01-01|1993-06-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00613","name":"Occidental Petroleum Corp"},"object":{"type":"mine","id":"4602446","name":"McDonald Fork Impoundment"},"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":"4602446|C00613|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00613","name":"Occidental Petroleum Corp"},"object":{"type":"operator","id":"P17992","name":"Laurel Run Mining Company"},"validFrom":"1950-01-01","validTo":"1993-06-30","current":false,"derived":true,"evidenceMineId":"4602446","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|P17992|1950-01-01|C00613|1950-01-01|48516"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22456","name":"Laurel Run Mining Company"},"object":{"type":"mine","id":"4602446","name":"McDonald Fork Impoundment"},"validFrom":"1993-07-01","validTo":"2004-09-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|P22456|1993-07-01|2004-09-02"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"mine","id":"4602446","name":"McDonald Fork Impoundment"},"validFrom":"1993-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|C00692|1993-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00692","name":"CONSOL Energy Inc"},"object":{"type":"operator","id":"P22456","name":"Laurel Run Mining Company"},"validFrom":"1993-07-01","validTo":"2004-09-02","current":false,"derived":true,"evidenceMineId":"4602446","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|P22456|1993-07-01|C00692|1993-07-01|49331"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0054140","name":"Dynamic Energy Inc"},"object":{"type":"mine","id":"4602446","name":"McDonald Fork Impoundment"},"validFrom":"2004-09-03","validTo":"2017-03-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|0054140|2004-09-03|2017-03-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"mine","id":"4602446","name":"McDonald Fork Impoundment"},"validFrom":"2004-09-03","validTo":"2009-05-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|C04355|2004-09-03|2009-05-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"operator","id":"0054140","name":"Dynamic Energy Inc"},"validFrom":"2004-09-03","validTo":"2009-05-06","current":false,"derived":true,"evidenceMineId":"4602446","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|0054140|2004-09-03|C04355|2004-09-03|65495"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0085759","name":"Mechel Oao"},"object":{"type":"mine","id":"4602446","name":"McDonald Fork Impoundment"},"validFrom":"2009-05-07","validTo":"2015-02-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|0085759|2009-05-07|2015-02-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0085759","name":"Mechel Oao"},"object":{"type":"operator","id":"0054140","name":"Dynamic Energy Inc"},"validFrom":"2009-05-07","validTo":"2015-02-11","current":false,"derived":true,"evidenceMineId":"4602446","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|0054140|2004-09-03|0085759|2009-05-07|13706"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"mine","id":"4602446","name":"McDonald Fork Impoundment"},"validFrom":"2015-02-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|C04355|2015-02-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"operator","id":"0054140","name":"Dynamic Energy Inc"},"validFrom":"2015-02-12","validTo":"2017-03-27","current":false,"derived":true,"evidenceMineId":"4602446","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|0054140|2004-09-03|C04355|2015-02-12|65701"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15876","name":"Scott  Kiscaden"},"object":{"type":"mine","id":"4602446","name":"McDonald Fork Impoundment"},"validFrom":"2017-02-21","validTo":"2025-10-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|C15876|2017-02-21|2025-10-02"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0149793","name":"CM Energy Operations LP"},"object":{"type":"mine","id":"4602446","name":"McDonald Fork Impoundment"},"validFrom":"2017-03-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|0149793|2017-03-28|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15876","name":"Scott  Kiscaden"},"object":{"type":"operator","id":"0149793","name":"CM Energy Operations LP"},"validFrom":"2017-03-28","validTo":"2025-10-02","current":false,"derived":true,"evidenceMineId":"4602446","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|0149793|2017-03-28|C15876|2017-02-21|97371"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0170221","name":"David Michael  Jamison et al"},"object":{"type":"mine","id":"4602446","name":"McDonald Fork Impoundment"},"validFrom":"2025-10-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|0170221|2025-10-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0170221","name":"David Michael  Jamison et al"},"object":{"type":"operator","id":"0149793","name":"CM Energy Operations LP"},"validFrom":"2025-10-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"4602446","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|0149793|2017-03-28|0170221|2025-10-03|36061"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0170221","name":"Petri E Koivula et al"},"object":{"type":"operator","id":"0149793","name":"CM Energy Operations LP"},"validFrom":"2025-10-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"4602446","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4602446|0149793|2017-03-28|0170221|2025-10-03|36062"}}],"coverage":{"historyRecords":8,"edgeCount":19,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4602446","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"}}