{"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":"1519068","name":"Liberty Management #8"},"operator":{"type":"operator","id":"0137473","name":"Liberty Management, LLC"},"controller":{"type":"controller","id":"0116941","name":"Steve  Allen; Philip  Marsh"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15863","name":"Jeffery A  Hoops"},"object":{"type":"mine","id":"1519068","name":"Liberty Management #8"},"validFrom":"2001-03-01","validTo":"2008-10-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|C15863|2001-03-01|2008-10-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15863","name":"Jeffery A  Hoops"},"object":{"type":"mine","id":"1519068","name":"Liberty Management #8"},"validFrom":"2005-04-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|C15863|2005-04-04|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0058757","name":"Big Elk Mining Co LLC"},"object":{"type":"mine","id":"1519068","name":"Liberty Management #8"},"validFrom":"2006-12-11","validTo":"2007-04-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|0058757|2006-12-11|2007-04-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15863","name":"Jeffery A  Hoops"},"object":{"type":"operator","id":"0058757","name":"Big Elk Mining Co LLC"},"validFrom":"2006-12-11","validTo":"2007-04-12","current":false,"derived":true,"evidenceMineId":"1519068","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|0058757|2006-12-11|C15863|2005-04-04|97190"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24564","name":"Frasure Creek Mining, LLC."},"object":{"type":"mine","id":"1519068","name":"Liberty Management #8"},"validFrom":"2007-04-13","validTo":"2015-12-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|P24564|2007-04-13|2015-12-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15863","name":"Jeffery A  Hoops"},"object":{"type":"operator","id":"P24564","name":"Frasure Creek Mining, LLC."},"validFrom":"2007-04-13","validTo":"2008-10-31","current":false,"derived":true,"evidenceMineId":"1519068","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|P24564|2007-04-13|C15863|2001-03-01|97156"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0080913","name":"Kenneth W  Woodring"},"object":{"type":"mine","id":"1519068","name":"Liberty Management #8"},"validFrom":"2008-11-01","validTo":"2010-04-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|0080913|2008-11-01|2010-04-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0080913","name":"Kenneth W  Woodring"},"object":{"type":"operator","id":"P24564","name":"Frasure Creek Mining, LLC."},"validFrom":"2008-11-01","validTo":"2010-04-06","current":false,"derived":true,"evidenceMineId":"1519068","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|P24564|2007-04-13|0080913|2008-11-01|12803"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0102805","name":"Essar Minerals Canada Limited"},"object":{"type":"mine","id":"1519068","name":"Liberty Management #8"},"validFrom":"2010-04-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|0102805|2010-04-07|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0102805","name":"Essar Minerals Canada Limited"},"object":{"type":"operator","id":"P24564","name":"Frasure Creek Mining, LLC."},"validFrom":"2010-04-07","validTo":"2015-12-20","current":false,"derived":true,"evidenceMineId":"1519068","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|P24564|2007-04-13|0102805|2010-04-07|17644"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0116941","name":"Philip  Marsh et al"},"object":{"type":"mine","id":"1519068","name":"Liberty Management #8"},"validFrom":"2015-02-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|0116941|2015-02-13|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0137473","name":"Liberty Management, LLC"},"object":{"type":"mine","id":"1519068","name":"Liberty Management #8"},"validFrom":"2015-12-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|0137473|2015-12-21|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0116941","name":"Philip  Marsh et al"},"object":{"type":"operator","id":"0137473","name":"Liberty Management, LLC"},"validFrom":"2015-12-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519068","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|0137473|2015-12-21|0116941|2015-02-13|22205"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0116941","name":"Steve  Allen et al"},"object":{"type":"operator","id":"0137473","name":"Liberty Management, LLC"},"validFrom":"2015-12-21","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519068","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519068|0137473|2015-12-21|0116941|2015-02-13|22206"}}],"coverage":{"historyRecords":6,"edgeCount":14,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1519068","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"}}