{"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":"1519461","name":"Bear Branch"},"operator":{"type":"operator","id":"0137473","name":"Liberty Management, L.L.C."},"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":"0068753","name":"William A  Stephens et al"},"object":{"type":"mine","id":"1519461","name":"Bear Branch"},"validFrom":"2008-12-02","validTo":"2015-04-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0068753|2008-12-02|2015-04-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0085093","name":"Gerald K  Thacker"},"object":{"type":"mine","id":"1519461","name":"Bear Branch"},"validFrom":"2009-05-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0085093|2009-05-18|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0089193","name":"The IBCS Group Inc"},"object":{"type":"mine","id":"1519461","name":"Bear Branch"},"validFrom":"2009-10-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0089193|2009-10-16|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0100805","name":"TLT Resources Corporation"},"object":{"type":"mine","id":"1519461","name":"Bear Branch"},"validFrom":"2010-01-19","validTo":"2012-01-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0100805|2010-01-19|2012-01-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0085093","name":"Gerald K  Thacker"},"object":{"type":"operator","id":"0100805","name":"TLT Resources Corporation"},"validFrom":"2010-01-19","validTo":"2012-01-08","current":false,"derived":true,"evidenceMineId":"1519461","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0100805|2010-01-19|0085093|2009-05-18|13433"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0096126","name":"Augustus Augering and Contracting Inc"},"object":{"type":"mine","id":"1519461","name":"Bear Branch"},"validFrom":"2012-01-09","validTo":"2014-08-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0096126|2012-01-09|2014-08-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0068753","name":"William A  Stephens et al"},"object":{"type":"operator","id":"0096126","name":"Augustus Augering and Contracting Inc"},"validFrom":"2012-01-09","validTo":"2014-08-04","current":false,"derived":true,"evidenceMineId":"1519461","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0096126|2012-01-09|0068753|2008-12-02|9714"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0105033","name":"Jerry Keith  McPeek et al"},"object":{"type":"mine","id":"1519461","name":"Bear Branch"},"validFrom":"2012-06-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0105033|2012-06-27|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0123630","name":"Black Storm Energy, LLC"},"object":{"type":"mine","id":"1519461","name":"Bear Branch"},"validFrom":"2014-08-05","validTo":"2014-10-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0123630|2014-08-05|2014-10-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0105033","name":"Jerry Keith  McPeek et al"},"object":{"type":"operator","id":"0123630","name":"Black Storm Energy, LLC"},"validFrom":"2014-08-05","validTo":"2014-10-08","current":false,"derived":true,"evidenceMineId":"1519461","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0123630|2014-08-05|0105033|2012-06-27|18365"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0105033","name":"Eric  McPeek et al"},"object":{"type":"operator","id":"0123630","name":"Black Storm Energy, LLC"},"validFrom":"2014-08-05","validTo":"2014-10-08","current":false,"derived":true,"evidenceMineId":"1519461","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0123630|2014-08-05|0105033|2012-06-27|18366"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0105425","name":"IBCS Mining Inc KY Division"},"object":{"type":"mine","id":"1519461","name":"Bear Branch"},"validFrom":"2014-10-09","validTo":"2015-02-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0105425|2014-10-09|2015-02-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0089193","name":"The IBCS Group Inc"},"object":{"type":"operator","id":"0105425","name":"IBCS Mining Inc KY Division"},"validFrom":"2014-10-09","validTo":"2015-02-12","current":false,"derived":true,"evidenceMineId":"1519461","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0105425|2014-10-09|0089193|2009-10-16|14343"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0137473","name":"Liberty Management, L.L.C."},"object":{"type":"mine","id":"1519461","name":"Bear Branch"},"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":"1519461|0137473|2015-02-13|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0116941","name":"Steve  Allen et al"},"object":{"type":"mine","id":"1519461","name":"Bear Branch"},"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":"1519461|0116941|2015-02-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0116941","name":"Steve  Allen et al"},"object":{"type":"operator","id":"0137473","name":"Liberty Management, L.L.C."},"validFrom":"2015-02-13","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519461","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0137473|2015-02-13|0116941|2015-02-13|22207"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0116941","name":"Philip  Marsh et al"},"object":{"type":"operator","id":"0137473","name":"Liberty Management, L.L.C."},"validFrom":"2015-02-13","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519461","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0137473|2015-02-13|0116941|2015-02-13|22208"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0119741","name":"Melodye G  Stephens et al"},"object":{"type":"mine","id":"1519461","name":"Bear Branch"},"validFrom":"2015-04-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0119741|2015-04-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119741","name":"Melodye G  Stephens et al"},"object":{"type":"operator","id":"0096126","name":"Augustus Augering and Contracting Inc"},"validFrom":"2015-04-25","validTo":"2014-08-04","current":false,"derived":true,"evidenceMineId":"1519461","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0096126|2012-01-09|0119741|2015-04-25|23289"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119741","name":"David A  Lester et al"},"object":{"type":"operator","id":"0096126","name":"Augustus Augering and Contracting Inc"},"validFrom":"2015-04-25","validTo":"2014-08-04","current":false,"derived":true,"evidenceMineId":"1519461","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0096126|2012-01-09|0119741|2015-04-25|23290"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119741","name":"Karen A  Stephens et al"},"object":{"type":"operator","id":"0096126","name":"Augustus Augering and Contracting Inc"},"validFrom":"2015-04-25","validTo":"2014-08-04","current":false,"derived":true,"evidenceMineId":"1519461","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519461|0096126|2012-01-09|0119741|2015-04-25|23291"}}],"coverage":{"historyRecords":10,"edgeCount":21,"intervalAnomalies":3,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1519461","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"}}