{"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":"0103320","name":"Davis Creek Mine"},"operator":{"type":"operator","id":"0054599","name":"Cahaba Resources LLC"},"controller":{"type":"controller","id":"0045287","name":"Randall E  Crawford"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00835","name":"Reid Dolores"},"object":{"type":"mine","id":"0103320","name":"Davis Creek Mine"},"validFrom":"1982-02-01","validTo":"2002-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|C00835|1982-02-01|2002-09-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11297","name":"Frank C  Mann"},"object":{"type":"mine","id":"0103320","name":"Davis Creek Mine"},"validFrom":"1987-05-08","validTo":"2007-10-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|C11297|1987-05-08|2007-10-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041373","name":"Robert J  Reed Sr"},"object":{"type":"mine","id":"0103320","name":"Davis Creek Mine"},"validFrom":"2002-10-01","validTo":"2012-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|0041373|2002-10-01|2012-08-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0045287","name":"Randall E  Crawford et al"},"object":{"type":"mine","id":"0103320","name":"Davis Creek Mine"},"validFrom":"2004-10-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|0045287|2004-10-12|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19184","name":"National Coal of Alabama Inc"},"object":{"type":"mine","id":"0103320","name":"Davis Creek Mine"},"validFrom":"2005-05-13","validTo":"2013-12-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|P19184|2005-05-13|2013-12-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11297","name":"Frank C  Mann"},"object":{"type":"operator","id":"P19184","name":"National Coal of Alabama Inc"},"validFrom":"2005-05-13","validTo":"2007-10-18","current":false,"derived":true,"evidenceMineId":"0103320","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|P19184|2005-05-13|C11297|1987-05-08|84278"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041843","name":"National Coal Corporation"},"object":{"type":"mine","id":"0103320","name":"Davis Creek Mine"},"validFrom":"2007-10-19","validTo":"2009-08-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|0041843|2007-10-19|2009-08-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041843","name":"National Coal Corporation"},"object":{"type":"operator","id":"P19184","name":"National Coal of Alabama Inc"},"validFrom":"2007-10-19","validTo":"2009-08-02","current":false,"derived":true,"evidenceMineId":"0103320","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|P19184|2005-05-13|0041843|2007-10-19|3182"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0095493","name":"TCW Energy Fund XIV-A, L.P. et al"},"object":{"type":"mine","id":"0103320","name":"Davis Creek Mine"},"validFrom":"2009-08-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|0095493|2009-08-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0095493","name":"TCW Energy Fund XIV-A, L.P. et al"},"object":{"type":"operator","id":"P19184","name":"National Coal of Alabama Inc"},"validFrom":"2009-08-03","validTo":"2013-12-04","current":false,"derived":true,"evidenceMineId":"0103320","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|P19184|2005-05-13|0095493|2009-08-03|15732"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0106081","name":"TRU Energy Services LLC"},"object":{"type":"mine","id":"0103320","name":"Davis Creek Mine"},"validFrom":"2012-09-01","validTo":"2012-10-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|0106081|2012-09-01|2012-10-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01333","name":"NACCO Industries Inc"},"object":{"type":"mine","id":"0103320","name":"Davis Creek Mine"},"validFrom":"2012-10-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|C01333|2012-10-30|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14382","name":"Reed Minerals, Inc."},"object":{"type":"mine","id":"0103320","name":"Davis Creek Mine"},"validFrom":"2013-12-05","validTo":"2014-11-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|P14382|2013-12-05|2014-11-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041373","name":"Robert J  Reed Sr"},"object":{"type":"operator","id":"P14382","name":"Reed Minerals, Inc."},"validFrom":"2013-12-05","validTo":"2012-08-31","current":false,"derived":true,"evidenceMineId":"0103320","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|P14382|2013-12-05|0041373|2002-10-01|2499"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0106081","name":"TRU Energy Services LLC"},"object":{"type":"operator","id":"P14382","name":"Reed Minerals, Inc."},"validFrom":"2013-12-05","validTo":"2012-10-29","current":false,"derived":true,"evidenceMineId":"0103320","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|P14382|2013-12-05|0106081|2012-09-01|18723"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00835","name":"Reid Dolores"},"object":{"type":"operator","id":"P14382","name":"Reed Minerals, Inc."},"validFrom":"2013-12-05","validTo":"2002-09-30","current":false,"derived":true,"evidenceMineId":"0103320","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|P14382|2013-12-05|C00835|1982-02-01|50396"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01333","name":"NACCO Industries Inc"},"object":{"type":"operator","id":"P14382","name":"Reed Minerals, Inc."},"validFrom":"2013-12-05","validTo":"2014-11-10","current":false,"derived":true,"evidenceMineId":"0103320","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|P14382|2013-12-05|C01333|2012-10-30|53627"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0135953","name":"Centennial Natural Resources LLC"},"object":{"type":"mine","id":"0103320","name":"Davis Creek Mine"},"validFrom":"2014-11-11","validTo":"2017-07-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|0135953|2014-11-11|2017-07-04"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01333","name":"NACCO Industries Inc"},"object":{"type":"mine","id":"0103320","name":"Davis Creek Mine"},"validFrom":"2014-11-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|C01333|2014-11-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01333","name":"NACCO Industries Inc"},"object":{"type":"operator","id":"0135953","name":"Centennial Natural Resources LLC"},"validFrom":"2014-11-11","validTo":"2017-07-04","current":false,"derived":true,"evidenceMineId":"0103320","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|0135953|2014-11-11|C01333|2014-11-11|53641"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0054599","name":"Cahaba Resources LLC"},"object":{"type":"mine","id":"0103320","name":"Davis Creek Mine"},"validFrom":"2017-07-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|0054599|2017-07-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0045287","name":"Randall E  Crawford et al"},"object":{"type":"operator","id":"0054599","name":"Cahaba Resources LLC"},"validFrom":"2017-07-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"0103320","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0103320|0054599|2017-07-05|0045287|2004-10-12|5250"}}],"coverage":{"historyRecords":9,"edgeCount":22,"intervalAnomalies":3,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0103320","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"}}