{"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":"1518952","name":"Mine # 1"},"operator":{"type":"operator","id":"0162574","name":"Blue Ridge Fuels L.L.C."},"controller":{"type":"controller","id":"C16019","name":"Eddie  Lawson"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15877","name":"John M  Barnett"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2002-04-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|C15877|2002-04-18|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0066424","name":"Alpha Reclamation Contracting Inc"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2005-12-13","validTo":"2006-07-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0066424|2005-12-13|2006-07-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12158","name":"Rick A  Taylor"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2005-12-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|C12158|2005-12-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12158","name":"Rick A  Taylor"},"object":{"type":"operator","id":"0066424","name":"Alpha Reclamation Contracting Inc"},"validFrom":"2005-12-13","validTo":"2006-07-24","current":false,"derived":true,"evidenceMineId":"1518952","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0066424|2005-12-13|C12158|2005-12-13|86257"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C16019","name":"Eddie  Lawson"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2006-06-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|C16019|2006-06-17|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0072843","name":"Jones Fork Mining LLC"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2006-07-25","validTo":"2006-09-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0072843|2006-07-25|2006-09-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C16019","name":"Eddie  Lawson"},"object":{"type":"operator","id":"0072843","name":"Jones Fork Mining LLC"},"validFrom":"2006-07-25","validTo":"2006-09-10","current":false,"derived":true,"evidenceMineId":"1518952","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0072843|2006-07-25|C16019|2006-06-17|98065"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0074983","name":"Black Forest Coal LLC"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2006-09-11","validTo":"2012-10-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0074983|2006-09-11|2012-10-02"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0062949","name":"Jimmie D  Lester"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2006-09-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0062949|2006-09-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0062949","name":"Jimmie D  Lester"},"object":{"type":"operator","id":"0074983","name":"Black Forest Coal LLC"},"validFrom":"2006-09-11","validTo":"2012-10-02","current":false,"derived":true,"evidenceMineId":"1518952","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0074983|2006-09-11|0062949|2006-09-11|8600"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050898","name":"Barnett Energy, LLC."},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2012-10-03","validTo":"2013-02-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0050898|2012-10-03|2013-02-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15877","name":"John M  Barnett"},"object":{"type":"operator","id":"0050898","name":"Barnett Energy, LLC."},"validFrom":"2012-10-03","validTo":"2013-02-14","current":false,"derived":true,"evidenceMineId":"1518952","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0050898|2012-10-03|C15877|2002-04-18|97383"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0127433","name":"Black Forest Coal, LLC"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2013-02-15","validTo":"2014-09-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0127433|2013-02-15|2014-09-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00302","name":"Kenneth  LaVan"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2013-02-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|C00302|2013-02-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00302","name":"Kenneth  LaVan"},"object":{"type":"operator","id":"0127433","name":"Black Forest Coal, LLC"},"validFrom":"2013-02-15","validTo":"2014-09-21","current":false,"derived":true,"evidenceMineId":"1518952","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0127433|2013-02-15|C00302|2013-02-15|45949"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0112203","name":"Jan M Berkowitz"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2014-02-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0112203|2014-02-26|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0131915","name":"JMEG Mine, LLC"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2014-09-22","validTo":"2016-08-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0131915|2014-09-22|2016-08-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0112203","name":"Jan M Berkowitz"},"object":{"type":"operator","id":"0131915","name":"JMEG Mine, LLC"},"validFrom":"2014-09-22","validTo":"2016-08-18","current":false,"derived":true,"evidenceMineId":"1518952","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0131915|2014-09-22|0112203|2014-02-26|20824"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0146814","name":"Phoenix Fuels Corporation"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2016-08-19","validTo":"2019-04-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0146814|2016-08-19|2019-04-01"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0128023","name":"Victor  Allara"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2016-08-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0128023|2016-08-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0128023","name":"Victor  Allara"},"object":{"type":"operator","id":"0146814","name":"Phoenix Fuels Corporation"},"validFrom":"2016-08-19","validTo":"2019-04-01","current":false,"derived":true,"evidenceMineId":"1518952","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0146814|2016-08-19|0128023|2016-08-19|25636"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0162574","name":"Blue Ridge Fuels L.L.C."},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2019-04-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0162574|2019-04-02|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C16019","name":"Eddie  Lawson"},"object":{"type":"mine","id":"1518952","name":"Mine # 1"},"validFrom":"2019-04-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|C16019|2019-04-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C16019","name":"Eddie  Lawson"},"object":{"type":"operator","id":"0162574","name":"Blue Ridge Fuels L.L.C."},"validFrom":"2019-04-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518952","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518952|0162574|2019-04-02|C16019|2019-04-02|98076"}}],"coverage":{"historyRecords":8,"edgeCount":24,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1518952","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"}}