{"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":"0100563","name":"Kellerman Prep Plant"},"operator":{"type":"operator","id":"0144515","name":"Warrior Met Coal Mining, LLC"},"controller":{"type":"controller","id":"0124421","name":"Warrior Met Coal Intermediate Holdco LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17353","name":"Drummond Company, Inc."},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"1950-01-01","validTo":"2003-09-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|P17353|1950-01-01|2003-09-14"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00866","name":"Drummond Company Inc"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|C00866|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00866","name":"Drummond Company Inc"},"object":{"type":"operator","id":"P17353","name":"Drummond Company, Inc."},"validFrom":"1950-01-01","validTo":"2003-09-14","current":false,"derived":true,"evidenceMineId":"0100563","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|P17353|1950-01-01|C00866|1950-01-01|50597"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15314","name":"Jerry M  Gaines"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"1995-09-15","validTo":"2007-08-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|C15314|1995-09-15|2007-08-30"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23253","name":"Tuscaloosa Resources, Inc."},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2003-09-15","validTo":"2004-12-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|P23253|2003-09-15|2004-12-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15314","name":"Jerry M  Gaines"},"object":{"type":"operator","id":"P23253","name":"Tuscaloosa Resources, Inc."},"validFrom":"2003-09-15","validTo":"2004-12-21","current":false,"derived":true,"evidenceMineId":"0100563","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|P23253|2003-09-15|C15314|1995-09-15|95243"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0056237","name":"GreenFuels Processing I, LLC"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2004-12-22","validTo":"2008-06-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0056237|2004-12-22|2008-06-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0046749","name":"Five J's LLC et al"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2004-12-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0046749|2004-12-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0046749","name":"Five J's LLC et al"},"object":{"type":"operator","id":"0056237","name":"GreenFuels Processing I, LLC"},"validFrom":"2004-12-22","validTo":"2008-06-30","current":false,"derived":true,"evidenceMineId":"0100563","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0056237|2004-12-22|0046749|2004-12-22|5699"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00992","name":"Walter Energy Incorporated"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2007-08-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|C00992|2007-08-31|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00992","name":"Walter Energy Incorporated"},"object":{"type":"operator","id":"P23253","name":"Tuscaloosa Resources, Inc."},"validFrom":"2007-08-31","validTo":"2004-12-21","current":false,"derived":true,"evidenceMineId":"0100563","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|P23253|2003-09-15|C00992|2007-08-31|51506"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0091585","name":"Covol Fuels No 5 LLC"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2008-07-01","validTo":"2013-01-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0091585|2008-07-01|2013-01-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0048309","name":"Headwaters Inc"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2008-07-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0048309|2008-07-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0048309","name":"Headwaters Inc"},"object":{"type":"operator","id":"0091585","name":"Covol Fuels No 5 LLC"},"validFrom":"2008-07-01","validTo":"2013-01-15","current":false,"derived":true,"evidenceMineId":"0100563","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0091585|2008-07-01|0048309|2008-07-01|6034"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0126734","name":"BRC Greenfuels LLC"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2013-01-16","validTo":"2016-02-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0126734|2013-01-16|2016-02-12"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0107723","name":"Steve  Rickmeier et al"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2013-01-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0107723|2013-01-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0107723","name":"Steve  Rickmeier et al"},"object":{"type":"operator","id":"0126734","name":"BRC Greenfuels LLC"},"validFrom":"2013-01-16","validTo":"2016-02-12","current":false,"derived":true,"evidenceMineId":"0100563","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0126734|2013-01-16|0107723|2013-01-16|19305"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0144893","name":"Seminole Coal Resources LLC"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2016-02-13","validTo":"2019-04-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0144893|2016-02-13|2019-04-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0121101","name":"Virginia Conservation Legacy Fund (VCLF)"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2016-02-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0121101|2016-02-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0121101","name":"Virginia Conservation Legacy Fund (VCLF)"},"object":{"type":"operator","id":"0144893","name":"Seminole Coal Resources LLC"},"validFrom":"2016-02-13","validTo":"2019-04-29","current":false,"derived":true,"evidenceMineId":"0100563","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0144893|2016-02-13|0121101|2016-02-13|23615"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0124421","name":"Warrior Met Coal Intermediate Holdco LLC"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2016-03-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0124421|2016-03-31|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0164493","name":"Murray Alabama Minerals, LLC"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2019-04-30","validTo":"2020-09-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0164493|2019-04-30|2020-09-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13408","name":"Robert E  Murray"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2019-04-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|C13408|2019-04-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13408","name":"Robert E  Murray"},"object":{"type":"operator","id":"0164493","name":"Murray Alabama Minerals, LLC"},"validFrom":"2019-04-30","validTo":"2020-09-16","current":false,"derived":true,"evidenceMineId":"0100563","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0164493|2019-04-30|C13408|2019-04-30|89810"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0174193","name":"Alabama Land Resources, LLC."},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2020-09-17","validTo":"2022-03-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0174193|2020-09-17|2022-03-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0157801","name":"ACNR Holdings, Inc"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2020-09-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0157801|2020-09-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0157801","name":"ACNR Holdings, Inc"},"object":{"type":"operator","id":"0174193","name":"Alabama Land Resources, LLC."},"validFrom":"2020-09-17","validTo":"2022-03-29","current":false,"derived":true,"evidenceMineId":"0100563","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0174193|2020-09-17|0157801|2020-09-17|32619"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0144515","name":"Warrior Met Coal Mining, LLC"},"object":{"type":"mine","id":"0100563","name":"Kellerman Prep Plant"},"validFrom":"2022-03-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0144515|2022-03-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0124421","name":"Warrior Met Coal Intermediate Holdco LLC"},"object":{"type":"operator","id":"0144515","name":"Warrior Met Coal Mining, LLC"},"validFrom":"2022-03-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"0100563","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100563|0144515|2022-03-30|0124421|2016-03-31|24127"}}],"coverage":{"historyRecords":10,"edgeCount":29,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0100563","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"}}