{"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":"4606242","name":"King Mine"},"operator":{"type":"operator","id":"P21654","name":"Independence Coal Company Inc"},"controller":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"mine","id":"4606242","name":"King Mine"},"validFrom":"1974-01-01","validTo":"2011-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|C02508|1974-01-01|2011-05-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11051","name":"Elk Run Coal Company Inc"},"object":{"type":"mine","id":"4606242","name":"King Mine"},"validFrom":"1980-08-01","validTo":"1981-07-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P11051|1980-08-01|1981-07-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P11051","name":"Elk Run Coal Company Inc"},"validFrom":"1980-08-01","validTo":"1981-07-23","current":false,"derived":true,"evidenceMineId":"4606242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P11051|1980-08-01|C02508|1974-01-01|58949"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12513","name":"Sylvester Fuels Corp"},"object":{"type":"mine","id":"4606242","name":"King Mine"},"validFrom":"1981-07-24","validTo":"1982-10-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P12513|1981-07-24|1982-10-12"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02554","name":"Johnson James & Darrel R Young"},"object":{"type":"mine","id":"4606242","name":"King Mine"},"validFrom":"1981-07-24","validTo":"1982-10-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|C02554|1981-07-24|1982-10-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02554","name":"Johnson James & Darrel R Young"},"object":{"type":"operator","id":"P12513","name":"Sylvester Fuels Corp"},"validFrom":"1981-07-24","validTo":"1982-10-12","current":false,"derived":true,"evidenceMineId":"4606242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P12513|1981-07-24|C02554|1981-07-24|59942"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11051","name":"Elk Run Coal Company Inc"},"object":{"type":"mine","id":"4606242","name":"King Mine"},"validFrom":"1982-10-13","validTo":"1989-01-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P11051|1982-10-13|1989-01-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P11051","name":"Elk Run Coal Company Inc"},"validFrom":"1982-10-13","validTo":"1989-01-17","current":false,"derived":true,"evidenceMineId":"4606242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P11051|1982-10-13|C02508|1974-01-01|58950"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P20116","name":"Teays Mining Inc"},"object":{"type":"mine","id":"4606242","name":"King Mine"},"validFrom":"1989-01-18","validTo":"1991-11-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P20116|1989-01-18|1991-11-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13735","name":"Smith Stirl Richard"},"object":{"type":"mine","id":"4606242","name":"King Mine"},"validFrom":"1989-01-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|C13735|1989-01-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13735","name":"Smith Stirl Richard"},"object":{"type":"operator","id":"P20116","name":"Teays Mining Inc"},"validFrom":"1989-01-18","validTo":"1991-11-30","current":false,"derived":true,"evidenceMineId":"4606242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P20116|1989-01-18|C13735|1989-01-18|90959"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21654","name":"Independence Coal Company Inc"},"object":{"type":"mine","id":"4606242","name":"King Mine"},"validFrom":"1991-12-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P21654|1991-12-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"mine","id":"4606242","name":"King Mine"},"validFrom":"1991-12-01","validTo":"2011-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|C02508|1991-12-01|2011-05-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P21654","name":"Independence Coal Company Inc"},"validFrom":"1991-12-01","validTo":"2011-05-31","current":false,"derived":true,"evidenceMineId":"4606242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P21654|1991-12-01|C02508|1991-12-01|59264"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"4606242","name":"King Mine"},"validFrom":"2011-06-01","validTo":"2016-07-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|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":"P11051","name":"Elk Run Coal Company Inc"},"validFrom":"2011-06-01","validTo":"1981-07-23","current":false,"derived":true,"evidenceMineId":"4606242","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P11051|1980-08-01|0041211|2011-06-01|2000"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"P11051","name":"Elk Run Coal Company Inc"},"validFrom":"2011-06-01","validTo":"1989-01-17","current":false,"derived":true,"evidenceMineId":"4606242","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P11051|1982-10-13|0041211|2011-06-01|2001"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"P21654","name":"Independence Coal Company Inc"},"validFrom":"2011-06-01","validTo":"2016-07-25","current":false,"derived":true,"evidenceMineId":"4606242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P21654|1991-12-01|0041211|2011-06-01|2002"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"mine","id":"4606242","name":"King 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":"4606242|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":"P11051","name":"Elk Run Coal Company Inc"},"validFrom":"2016-07-26","validTo":"1981-07-23","current":false,"derived":true,"evidenceMineId":"4606242","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P11051|1980-08-01|0127923|2016-07-26|25147"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"P11051","name":"Elk Run Coal Company Inc"},"validFrom":"2016-07-26","validTo":"1989-01-17","current":false,"derived":true,"evidenceMineId":"4606242","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P11051|1982-10-13|0127923|2016-07-26|25148"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"mine","id":"4606242","name":"King 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":"4606242|0127923|2016-07-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"P21654","name":"Independence Coal Company Inc"},"validFrom":"2016-07-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"4606242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P21654|1991-12-01|0127923|2016-07-26|25532"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"mine","id":"4606242","name":"King 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":"4606242|0127321|2018-11-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"operator","id":"P11051","name":"Elk Run Coal Company Inc"},"validFrom":"2018-11-09","validTo":"1981-07-23","current":false,"derived":true,"evidenceMineId":"4606242","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P11051|1980-08-01|0127321|2018-11-09|24782"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127321","name":"Alpha Metallurgical Resources Inc"},"object":{"type":"operator","id":"P11051","name":"Elk Run Coal Company Inc"},"validFrom":"2018-11-09","validTo":"1989-01-17","current":false,"derived":true,"evidenceMineId":"4606242","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606242|P11051|1982-10-13|0127321|2018-11-09|24783"}}],"coverage":{"historyRecords":13,"edgeCount":26,"intervalAnomalies":6,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4606242","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"}}