{"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":"2026-10-17T05:35:58.500035+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":"1511605","name":"Bravo Mine"},"operator":{"type":"operator","id":"P22248","name":"Road Fork Development Co., Inc."},"controller":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"1976-06-17","validTo":"2011-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|C02508|1976-06-17|2011-05-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P08876","name":"Dotco Energy Company Inc"},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"1978-07-01","validTo":"1997-01-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P08876|1978-07-01|1997-01-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00918","name":"Dotson Claude H"},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"1978-07-01","validTo":"1997-01-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|C00918|1978-07-01|1997-01-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00918","name":"Dotson Claude H"},"object":{"type":"operator","id":"P08876","name":"Dotco Energy Company Inc"},"validFrom":"1978-07-01","validTo":"1997-01-30","current":false,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P08876|1978-07-01|C00918|1978-07-01|51077"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"1993-01-01","validTo":"2011-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|C02508|1993-01-01|2011-05-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P03822","name":"Rawl Sales & Processing Company"},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"1997-01-31","validTo":"2001-11-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P03822|1997-01-31|2001-11-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P03822","name":"Rawl Sales & Processing Company"},"validFrom":"1997-01-31","validTo":"2001-11-08","current":false,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P03822|1997-01-31|C02508|1976-06-17|59100"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12979","name":"Kenneth L  Farley et al"},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"1999-11-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|C12979|1999-11-22|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24263","name":"Team Management, Inc."},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"2001-11-09","validTo":"2004-02-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P24263|2001-11-09|2004-02-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12979","name":"Kenneth L  Farley et al"},"object":{"type":"operator","id":"P24263","name":"Team Management, Inc."},"validFrom":"2001-11-09","validTo":"2004-02-22","current":false,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P24263|2001-11-09|C12979|1999-11-22|88332"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22248","name":"Road Fork Development Company, Inc."},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"2004-02-23","validTo":"2004-08-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P22248|2004-02-23|2004-08-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P22248","name":"Road Fork Development Company, Inc."},"validFrom":"2004-02-23","validTo":"2004-08-26","current":false,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P22248|2004-02-23|C02508|1993-01-01|59320"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24263","name":"Team Management, Inc."},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"2004-08-27","validTo":"2005-06-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P24263|2004-08-27|2005-06-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12979","name":"Kenneth L  Farley et al"},"object":{"type":"operator","id":"P24263","name":"Team Management, Inc."},"validFrom":"2004-08-27","validTo":"2005-06-15","current":false,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P24263|2004-08-27|C12979|1999-11-22|88333"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22248","name":"Road Fork Development Co., Inc."},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"2005-06-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P22248|2005-06-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P22248","name":"Road Fork Development Co., Inc."},"validFrom":"2005-06-16","validTo":"2011-05-31","current":false,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P22248|2005-06-16|C02508|1993-01-01|59321"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"2011-06-01","validTo":"2016-07-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|0041211|2011-06-01|2016-07-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"P03822","name":"Rawl Sales & Processing Company"},"validFrom":"2011-06-01","validTo":"2001-11-08","current":false,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P03822|1997-01-31|0041211|2011-06-01|1822"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"P22248","name":"Road Fork Development Company, Inc."},"validFrom":"2011-06-01","validTo":"2004-08-26","current":false,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P22248|2004-02-23|0041211|2011-06-01|1823"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"P22248","name":"Road Fork Development Co., Inc."},"validFrom":"2011-06-01","validTo":"2016-07-25","current":false,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P22248|2005-06-16|0041211|2011-06-01|1824"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"2016-07-26","validTo":"2018-11-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|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":"P22248","name":"Road Fork Development Company, Inc."},"validFrom":"2016-07-26","validTo":"2004-08-26","current":false,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P22248|2004-02-23|0127923|2016-07-26|25114"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"P22248","name":"Road Fork Development Co., Inc."},"validFrom":"2016-07-26","validTo":"2018-11-08","current":false,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P22248|2005-06-16|0127923|2016-07-26|25115"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"2016-07-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|0127923|2016-07-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"P03822","name":"Rawl Sales & Processing Company"},"validFrom":"2016-07-26","validTo":"2001-11-08","current":false,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P03822|1997-01-31|0127923|2016-07-26|25362"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"mine","id":"1511605","name":"Bravo Mine"},"validFrom":"2018-11-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|0127321|2018-11-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"operator","id":"P22248","name":"Road Fork Development Company, Inc."},"validFrom":"2018-11-09","validTo":"2004-08-26","current":false,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P22248|2004-02-23|0127321|2018-11-09|24749"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"operator","id":"P22248","name":"Road Fork Development Co., Inc."},"validFrom":"2018-11-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"1511605","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1511605|P22248|2005-06-16|0127321|2018-11-09|24750"}}],"coverage":{"historyRecords":14,"edgeCount":28,"intervalAnomalies":5,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1511605","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}