{"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":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"operator":{"type":"operator","id":"0103985","name":"Republic Energy LLC"},"controller":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15532","name":"Rag Aktiengesellschaft"},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"1996-11-01","validTo":"2006-04-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|C15532|1996-11-01|2006-04-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15532","name":"Rag Aktiengesellschaft"},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"1998-03-01","validTo":"2004-07-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|C15532|1998-03-01|2004-07-29"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23635","name":"Simmons Fork Mining, Inc."},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2004-02-20","validTo":"2014-04-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23635|2004-02-20|2014-04-03"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15532","name":"Rag Aktiengesellschaft"},"object":{"type":"operator","id":"P23635","name":"Simmons Fork Mining, Inc."},"validFrom":"2004-02-20","validTo":"2006-04-27","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23635|2004-02-20|C15532|1996-11-01|95869"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0044281","name":"Foundation Coal Corporation"},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2004-07-30","validTo":"2009-07-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0044281|2004-07-30|2009-07-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0044281","name":"Foundation Coal Corporation"},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2006-04-28","validTo":"2009-07-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0044281|2006-04-28|2009-07-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0044281","name":"Foundation Coal Corporation"},"object":{"type":"operator","id":"P23635","name":"Simmons Fork Mining, Inc."},"validFrom":"2006-04-28","validTo":"2009-07-30","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23635|2004-02-20|0044281|2006-04-28|5012"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2009-07-31","validTo":"2016-07-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0041211|2009-07-31|2016-07-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2009-07-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0041211|2009-07-31|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"P23635","name":"Simmons Fork Mining, Inc."},"validFrom":"2009-07-31","validTo":"2014-04-03","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23635|2004-02-20|0041211|2009-07-31|1797"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2009-08-25","validTo":"2011-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|C02508|2009-08-25|2011-05-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2014-01-27","validTo":"2016-07-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0041211|2014-01-27|2016-07-25"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23904","name":"Pioneer Fuel Corporation"},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2014-04-04","validTo":"2015-01-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23904|2014-04-04|2015-01-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"P23904","name":"Pioneer Fuel Corporation"},"validFrom":"2014-04-04","validTo":"2015-01-05","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23904|2014-04-04|0041211|2009-07-31|1773"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0044281","name":"Foundation Coal Corporation"},"object":{"type":"operator","id":"P23904","name":"Pioneer Fuel Corporation"},"validFrom":"2014-04-04","validTo":"2009-07-30","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23904|2014-04-04|0044281|2004-07-30|4990"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15532","name":"Rag Aktiengesellschaft"},"object":{"type":"operator","id":"P23904","name":"Pioneer Fuel Corporation"},"validFrom":"2014-04-04","validTo":"2004-07-29","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23904|2014-04-04|C15532|1998-03-01|95884"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0103985","name":"Republic Energy Inc."},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2015-01-06","validTo":"2016-01-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0103985|2015-01-06|2016-01-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"0103985","name":"Republic Energy Inc."},"validFrom":"2015-01-06","validTo":"2016-01-24","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0103985|2015-01-06|0041211|2014-01-27|2351"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"0103985","name":"Republic Energy Inc."},"validFrom":"2015-01-06","validTo":"2011-05-31","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0103985|2015-01-06|C02508|2009-08-25|59545"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23904","name":"Pioneer Fuel"},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2016-01-25","validTo":"2018-11-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23904|2016-01-25|2018-11-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"P23904","name":"Pioneer Fuel"},"validFrom":"2016-01-25","validTo":"2016-07-25","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23904|2016-01-25|0041211|2009-07-31|1774"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0044281","name":"Foundation Coal Corporation"},"object":{"type":"operator","id":"P23904","name":"Pioneer Fuel"},"validFrom":"2016-01-25","validTo":"2009-07-30","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23904|2016-01-25|0044281|2004-07-30|4991"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15532","name":"Rag Aktiengesellschaft"},"object":{"type":"operator","id":"P23904","name":"Pioneer Fuel"},"validFrom":"2016-01-25","validTo":"2004-07-29","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23904|2016-01-25|C15532|1998-03-01|95885"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2016-07-26","validTo":"2018-11-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0127923|2016-07-26|2018-11-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"0103985","name":"Republic Energy Inc."},"validFrom":"2016-07-26","validTo":"2016-01-24","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0103985|2015-01-06|0127923|2016-07-26|25262"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2016-07-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0127923|2016-07-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"P23904","name":"Pioneer Fuel Corporation"},"validFrom":"2016-07-26","validTo":"2015-01-05","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23904|2014-04-04|0127923|2016-07-26|25610"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"P23904","name":"Pioneer Fuel"},"validFrom":"2016-07-26","validTo":"2018-11-26","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|P23904|2016-01-25|0127923|2016-07-26|25611"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2018-11-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0127321|2018-11-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"operator","id":"0103985","name":"Republic Energy Inc."},"validFrom":"2018-11-09","validTo":"2016-01-24","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0103985|2015-01-06|0127321|2018-11-09|24897"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0103985","name":"Republic Energy LLC"},"object":{"type":"mine","id":"4609026","name":"Ewing Fork No. 1 Surface Mine"},"validFrom":"2018-11-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0103985|2018-11-27|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"0103985","name":"Republic Energy LLC"},"validFrom":"2018-11-27","validTo":"2016-07-25","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0103985|2018-11-27|0041211|2014-01-27|2352"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"operator","id":"0103985","name":"Republic Energy LLC"},"validFrom":"2018-11-27","validTo":null,"current":true,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0103985|2018-11-27|0127321|2018-11-09|24898"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"0103985","name":"Republic Energy LLC"},"validFrom":"2018-11-27","validTo":"2018-11-08","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0103985|2018-11-27|0127923|2016-07-26|25263"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"0103985","name":"Republic Energy LLC"},"validFrom":"2018-11-27","validTo":"2011-05-31","current":false,"derived":true,"evidenceMineId":"4609026","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609026|0103985|2018-11-27|C02508|2009-08-25|59546"}}],"coverage":{"historyRecords":19,"edgeCount":35,"intervalAnomalies":11,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4609026","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"}}