{"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":"4605121","name":"Camp Creek Mine"},"operator":{"type":"operator","id":"0060463","name":"Rockspring Development 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":"C02413","name":"Exxon Mobil Corp"},"object":{"type":"mine","id":"4605121","name":"Camp Creek Mine"},"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":"4605121|C02413|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P01174","name":"Monterey Coal Company"},"object":{"type":"mine","id":"4605121","name":"Camp Creek Mine"},"validFrom":"1976-05-21","validTo":"1991-04-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|P01174|1976-05-21|1991-04-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02413","name":"Exxon Mobil Corp"},"object":{"type":"operator","id":"P01174","name":"Monterey Coal Company"},"validFrom":"1976-05-21","validTo":"1991-04-11","current":false,"derived":true,"evidenceMineId":"4605121","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|P01174|1976-05-21|C02413|1950-01-01|58386"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14385","name":"Robert B  Beatty"},"object":{"type":"mine","id":"4605121","name":"Camp Creek Mine"},"validFrom":"1991-04-01","validTo":"1994-01-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|C14385|1991-04-01|1994-01-12"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21440","name":"Char-Coal Company Inc"},"object":{"type":"mine","id":"4605121","name":"Camp Creek Mine"},"validFrom":"1991-04-12","validTo":"1994-01-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|P21440|1991-04-12|1994-01-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14385","name":"Robert B  Beatty"},"object":{"type":"operator","id":"P21440","name":"Char-Coal Company Inc"},"validFrom":"1991-04-12","validTo":"1994-01-12","current":false,"derived":true,"evidenceMineId":"4605121","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|P21440|1991-04-12|C14385|1991-04-01|92663"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22688","name":"Rockspring Development Inc"},"object":{"type":"mine","id":"4605121","name":"Camp Creek Mine"},"validFrom":"1994-01-13","validTo":"1994-12-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|P22688|1994-01-13|1994-12-05"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15018","name":"Edward  Malonis"},"object":{"type":"mine","id":"4605121","name":"Camp Creek Mine"},"validFrom":"1994-01-13","validTo":"1994-12-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|C15018|1994-01-13|1994-12-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15018","name":"Edward  Malonis"},"object":{"type":"operator","id":"P22688","name":"Rockspring Development Inc"},"validFrom":"1994-01-13","validTo":"1994-12-05","current":false,"derived":true,"evidenceMineId":"4605121","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|P22688|1994-01-13|C15018|1994-01-13|94582"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22978","name":"Rockspring Development Inc"},"object":{"type":"mine","id":"4605121","name":"Camp Creek Mine"},"validFrom":"1994-12-06","validTo":"2005-06-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|P22978|1994-12-06|2005-06-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15532","name":"Rag Aktiengesellschaft"},"object":{"type":"mine","id":"4605121","name":"Camp Creek Mine"},"validFrom":"1994-12-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|C15532|1994-12-06|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15532","name":"Rag Aktiengesellschaft"},"object":{"type":"operator","id":"P22978","name":"Rockspring Development Inc"},"validFrom":"1994-12-06","validTo":"2005-06-03","current":false,"derived":true,"evidenceMineId":"4605121","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|P22978|1994-12-06|C15532|1994-12-06|95855"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0060463","name":"Rockspring Development Inc"},"object":{"type":"mine","id":"4605121","name":"Camp Creek Mine"},"validFrom":"2005-06-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|0060463|2005-06-04|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0044281","name":"Foundation Coal Corporation"},"object":{"type":"mine","id":"4605121","name":"Camp Creek Mine"},"validFrom":"2005-06-04","validTo":"2009-07-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|0044281|2005-06-04|2009-07-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0044281","name":"Foundation Coal Corporation"},"object":{"type":"operator","id":"0060463","name":"Rockspring Development Inc"},"validFrom":"2005-06-04","validTo":"2009-07-30","current":false,"derived":true,"evidenceMineId":"4605121","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|0060463|2005-06-04|0044281|2005-06-04|5005"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"mine","id":"4605121","name":"Camp Creek 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":"4605121|0041211|2009-07-31|2016-07-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041211","name":"Alpha Natural Resources, Inc."},"object":{"type":"operator","id":"0060463","name":"Rockspring Development Inc"},"validFrom":"2009-07-31","validTo":"2016-07-25","current":false,"derived":true,"evidenceMineId":"4605121","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|0060463|2005-06-04|0041211|2009-07-31|1764"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"mine","id":"4605121","name":"Camp Creek 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":"4605121|0127923|2016-07-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0127923","name":"Alpha Natural Resources Holdings, Inc"},"object":{"type":"operator","id":"0060463","name":"Rockspring Development Inc"},"validFrom":"2016-07-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"4605121","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4605121|0060463|2005-06-04|0127923|2016-07-26|25517"}}],"coverage":{"historyRecords":7,"edgeCount":19,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4605121","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"}}