{"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":"0504975","name":"Mi Vida Portals"},"operator":{"type":"operator","id":"0071504","name":"New Elk Coal Company LLC"},"controller":{"type":"controller","id":"0159821","name":"Allegiance Coal LTD"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0059851","name":"Wayne  Coverdale et al"},"object":{"type":"mine","id":"0504975","name":"Mi Vida Portals"},"validFrom":"2006-05-05","validTo":"2009-06-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504975|0059851|2006-05-05|2009-06-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0086213","name":"Cline Mining Corporation et al"},"object":{"type":"mine","id":"0504975","name":"Mi Vida Portals"},"validFrom":"2009-06-10","validTo":"2020-10-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504975|0086213|2009-06-10|2020-10-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0047469","name":"David A  Schaaf  et al"},"object":{"type":"mine","id":"0504975","name":"Mi Vida Portals"},"validFrom":"2010-07-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504975|0047469|2010-07-12|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0111907","name":"TK Mining Services LLC"},"object":{"type":"mine","id":"0504975","name":"Mi Vida Portals"},"validFrom":"2011-05-17","validTo":"2012-02-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504975|0111907|2011-05-17|2012-02-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0047469","name":"David A  Schaaf  et al"},"object":{"type":"operator","id":"0111907","name":"TK Mining Services LLC"},"validFrom":"2011-05-17","validTo":"2012-02-15","current":false,"derived":true,"evidenceMineId":"0504975","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504975|0111907|2011-05-17|0047469|2010-07-12|5850"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0047469","name":"Keith  Buhrdorf et al"},"object":{"type":"operator","id":"0111907","name":"TK Mining Services LLC"},"validFrom":"2011-05-17","validTo":"2012-02-15","current":false,"derived":true,"evidenceMineId":"0504975","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504975|0111907|2011-05-17|0047469|2010-07-12|5851"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0071504","name":"New Elk Coal Company LLC"},"object":{"type":"mine","id":"0504975","name":"Mi Vida Portals"},"validFrom":"2012-02-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504975|0071504|2012-02-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0059851","name":"Wayne  Coverdale et al"},"object":{"type":"operator","id":"0071504","name":"New Elk Coal Company LLC"},"validFrom":"2012-02-16","validTo":"2009-06-09","current":false,"derived":true,"evidenceMineId":"0504975","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504975|0071504|2012-02-16|0059851|2006-05-05|7968"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0059851","name":"John  McCulloch et al"},"object":{"type":"operator","id":"0071504","name":"New Elk Coal Company LLC"},"validFrom":"2012-02-16","validTo":"2009-06-09","current":false,"derived":true,"evidenceMineId":"0504975","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504975|0071504|2012-02-16|0059851|2006-05-05|7969"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0086213","name":"Cline Mining Corporation et al"},"object":{"type":"operator","id":"0071504","name":"New Elk Coal Company LLC"},"validFrom":"2012-02-16","validTo":"2020-10-25","current":false,"derived":true,"evidenceMineId":"0504975","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504975|0071504|2012-02-16|0086213|2009-06-10|13857"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0159821","name":"Allegiance Coal LTD"},"object":{"type":"mine","id":"0504975","name":"Mi Vida Portals"},"validFrom":"2020-10-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504975|0159821|2020-10-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0159821","name":"Allegiance Coal LTD"},"object":{"type":"operator","id":"0071504","name":"New Elk Coal Company LLC"},"validFrom":"2020-10-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"0504975","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504975|0071504|2012-02-16|0159821|2020-10-26|33376"}}],"coverage":{"historyRecords":6,"edgeCount":12,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0504975","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"}}