{"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":"1514400","name":"No 1"},"operator":{"type":"operator","id":"P17927","name":"E J Enterprise"},"controller":{"type":"controller","id":"C12552","name":"Johnson Emerson-David Lane El Al"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10111","name":"Carter James Et Al"},"object":{"type":"mine","id":"1514400","name":"No 1"},"validFrom":"1982-08-01","validTo":"1984-05-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1514400|C10111|1982-08-01|1984-05-15"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P13694","name":"Carter Coal Company"},"object":{"type":"mine","id":"1514400","name":"No 1"},"validFrom":"1983-12-01","validTo":"1984-05-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1514400|P13694|1983-12-01|1984-05-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10111","name":"Carter James Et Al"},"object":{"type":"operator","id":"P13694","name":"Carter Coal Company"},"validFrom":"1983-12-01","validTo":"1984-05-15","current":false,"derived":true,"evidenceMineId":"1514400","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1514400|P13694|1983-12-01|C10111|1982-08-01|81278"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15538","name":"Sub-Geo Coal Company"},"object":{"type":"mine","id":"1514400","name":"No 1"},"validFrom":"1984-05-16","validTo":"1984-07-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1514400|P15538|1984-05-16|1984-07-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10640","name":"Reeder William Et Al"},"object":{"type":"mine","id":"1514400","name":"No 1"},"validFrom":"1984-05-16","validTo":"1984-07-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1514400|C10640|1984-05-16|1984-07-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10640","name":"Reeder William Et Al"},"object":{"type":"operator","id":"P15538","name":"Sub-Geo Coal Company"},"validFrom":"1984-05-16","validTo":"1984-07-24","current":false,"derived":true,"evidenceMineId":"1514400","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1514400|P15538|1984-05-16|C10640|1984-05-16|82489"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15779","name":"Sub-Geo Corp"},"object":{"type":"mine","id":"1514400","name":"No 1"},"validFrom":"1984-07-25","validTo":"1986-07-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1514400|P15779|1984-07-25|1986-07-06"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11286","name":"Sempson James & Samuel Jones"},"object":{"type":"mine","id":"1514400","name":"No 1"},"validFrom":"1984-07-25","validTo":"1986-07-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1514400|C11286|1984-07-25|1986-07-06"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11286","name":"Sempson James & Samuel Jones"},"object":{"type":"operator","id":"P15779","name":"Sub-Geo Corp"},"validFrom":"1984-07-25","validTo":"1986-07-06","current":false,"derived":true,"evidenceMineId":"1514400","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1514400|P15779|1984-07-25|C11286|1984-07-25|84276"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17927","name":"E J Enterprise"},"object":{"type":"mine","id":"1514400","name":"No 1"},"validFrom":"1986-07-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1514400|P17927|1986-07-07|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12552","name":"Johnson Emerson-David Lane El Al"},"object":{"type":"mine","id":"1514400","name":"No 1"},"validFrom":"1986-07-07","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1514400|C12552|1986-07-07|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12552","name":"Johnson Emerson-David Lane El Al"},"object":{"type":"operator","id":"P17927","name":"E J Enterprise"},"validFrom":"1986-07-07","validTo":null,"current":true,"derived":true,"evidenceMineId":"1514400","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1514400|P17927|1986-07-07|C12552|1986-07-07|87373"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1514400","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"}}