{"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":"1517605","name":"Lynn Branch Mine No 1"},"operator":{"type":"operator","id":"P24015","name":"Coastal Coal Company, LLC"},"controller":{"type":"controller","id":"C01883","name":"El Paso Energy Corp"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01883","name":"El Paso Energy Corp"},"object":{"type":"mine","id":"1517605","name":"Lynn Branch Mine No 1"},"validFrom":"1979-06-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517605|C01883|1979-06-29|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08125","name":"Ronald S  Ratliff"},"object":{"type":"mine","id":"1517605","name":"Lynn Branch Mine No 1"},"validFrom":"1988-07-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517605|C08125|1988-07-08|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01883","name":"El Paso Energy Corp"},"object":{"type":"mine","id":"1517605","name":"Lynn Branch Mine No 1"},"validFrom":"1989-04-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517605|C01883|1989-04-04|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14696","name":"Gary T  Rutherford"},"object":{"type":"mine","id":"1517605","name":"Lynn Branch Mine No 1"},"validFrom":"1992-12-11","validTo":"2000-08-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517605|C14696|1992-12-11|2000-08-23"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22345","name":"Iva Coal Inc"},"object":{"type":"mine","id":"1517605","name":"Lynn Branch Mine No 1"},"validFrom":"1994-10-01","validTo":"1996-02-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517605|P22345|1994-10-01|1996-02-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14696","name":"Gary T  Rutherford"},"object":{"type":"operator","id":"P22345","name":"Iva Coal Inc"},"validFrom":"1994-10-01","validTo":"1996-02-08","current":false,"derived":true,"evidenceMineId":"1517605","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517605|P22345|1994-10-01|C14696|1992-12-11|93644"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14114","name":"Enterprise Coal Company"},"object":{"type":"mine","id":"1517605","name":"Lynn Branch Mine No 1"},"validFrom":"1996-02-09","validTo":"1996-03-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517605|P14114|1996-02-09|1996-03-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01883","name":"El Paso Energy Corp"},"object":{"type":"operator","id":"P14114","name":"Enterprise Coal Company"},"validFrom":"1996-02-09","validTo":"1996-03-19","current":false,"derived":true,"evidenceMineId":"1517605","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517605|P14114|1996-02-09|C01883|1979-06-29|56584"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19607","name":"R S Mining Inc"},"object":{"type":"mine","id":"1517605","name":"Lynn Branch Mine No 1"},"validFrom":"1996-03-20","validTo":"1997-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517605|P19607|1996-03-20|1997-04-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08125","name":"Ronald S  Ratliff"},"object":{"type":"operator","id":"P19607","name":"R S Mining Inc"},"validFrom":"1996-03-20","validTo":"1997-04-30","current":false,"derived":true,"evidenceMineId":"1517605","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517605|P19607|1996-03-20|C08125|1988-07-08|76434"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24015","name":"Coastal Coal Company, LLC"},"object":{"type":"mine","id":"1517605","name":"Lynn Branch Mine No 1"},"validFrom":"1997-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517605|P24015|1997-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01883","name":"El Paso Energy Corp"},"object":{"type":"operator","id":"P24015","name":"Coastal Coal Company, LLC"},"validFrom":"1997-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1517605","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1517605|P24015|1997-05-01|C01883|1989-04-04|56680"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1517605","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"}}