{"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":"4600731","name":"No 1"},"operator":{"type":"operator","id":"P17377","name":"Energy Sales Inc"},"controller":{"type":"controller","id":"C12228","name":"Addair Glenn A"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02960","name":"Trace Fork Coal Company"},"object":{"type":"mine","id":"4600731","name":"No 1"},"validFrom":"1950-01-01","validTo":"1983-08-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|P02960|1950-01-01|1983-08-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"mine","id":"4600731","name":"No 1"},"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":"4600731|C02508|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02508","name":"Massey Energy Company"},"object":{"type":"operator","id":"P02960","name":"Trace Fork Coal Company"},"validFrom":"1950-01-01","validTo":"1983-08-09","current":false,"derived":true,"evidenceMineId":"4600731","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|P02960|1950-01-01|C02508|1950-01-01|58858"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14827","name":"Freeport Mining Company Inc"},"object":{"type":"mine","id":"4600731","name":"No 1"},"validFrom":"1983-08-10","validTo":"1985-11-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|P14827|1983-08-10|1985-11-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00746","name":"Herbert D  Roberts"},"object":{"type":"mine","id":"4600731","name":"No 1"},"validFrom":"1983-08-10","validTo":"1985-11-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|C00746|1983-08-10|1985-11-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00746","name":"Herbert D  Roberts"},"object":{"type":"operator","id":"P14827","name":"Freeport Mining Company Inc"},"validFrom":"1983-08-10","validTo":"1985-11-24","current":false,"derived":true,"evidenceMineId":"4600731","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|P14827|1983-08-10|C00746|1983-08-10|49742"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12228","name":"Addair Glenn A"},"object":{"type":"mine","id":"4600731","name":"No 1"},"validFrom":"1985-08-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|C12228|1985-08-12|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17480","name":"Clover Mining Inc Of West Virginia"},"object":{"type":"mine","id":"4600731","name":"No 1"},"validFrom":"1985-11-25","validTo":"1987-12-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|P17480|1985-11-25|1987-12-06"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12283","name":"Joyce James L"},"object":{"type":"mine","id":"4600731","name":"No 1"},"validFrom":"1985-11-25","validTo":"1987-12-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|C12283|1985-11-25|1987-12-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12283","name":"Joyce James L"},"object":{"type":"operator","id":"P17480","name":"Clover Mining Inc Of West Virginia"},"validFrom":"1985-11-25","validTo":"1987-12-06","current":false,"derived":true,"evidenceMineId":"4600731","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|P17480|1985-11-25|C12283|1985-11-25|86536"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19294","name":"Clover Mining Inc Of Wv"},"object":{"type":"mine","id":"4600731","name":"No 1"},"validFrom":"1987-12-07","validTo":"1990-03-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|P19294|1987-12-07|1990-03-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06520","name":"Larry A  Lough et al"},"object":{"type":"mine","id":"4600731","name":"No 1"},"validFrom":"1987-12-07","validTo":"1990-03-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|C06520|1987-12-07|1990-03-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06520","name":"Larry A  Lough et al"},"object":{"type":"operator","id":"P19294","name":"Clover Mining Inc Of Wv"},"validFrom":"1987-12-07","validTo":"1990-03-21","current":false,"derived":true,"evidenceMineId":"4600731","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|P19294|1987-12-07|C06520|1987-12-07|72063"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17377","name":"Energy Sales Inc"},"object":{"type":"mine","id":"4600731","name":"No 1"},"validFrom":"1990-03-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|P17377|1990-03-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12228","name":"Addair Glenn A"},"object":{"type":"operator","id":"P17377","name":"Energy Sales Inc"},"validFrom":"1990-03-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"4600731","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4600731|P17377|1990-03-22|C12228|1985-08-12|86426"}}],"coverage":{"historyRecords":5,"edgeCount":15,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4600731","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"}}