{"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":"1502153","name":"Sandlick #3"},"operator":{"type":"operator","id":"P11348","name":"Golden Oak Mining Company Inc"},"controller":{"type":"controller","id":"C05134","name":"Reading & Bates Corp"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00644","name":"Paul J  Sturgill"},"object":{"type":"mine","id":"1502153","name":"Sandlick #3"},"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":"1502153|C00644|1950-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01797","name":"Elkhorn & Jellico Coal Company Inc"},"object":{"type":"mine","id":"1502153","name":"Sandlick #3"},"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":"1502153|C01797|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02117","name":"Elkhorn & Jellico Coal Company Inc"},"object":{"type":"mine","id":"1502153","name":"Sandlick #3"},"validFrom":"1970-02-01","validTo":"1979-07-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1502153|P02117|1970-02-01|1979-07-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01797","name":"Elkhorn & Jellico Coal Company Inc"},"object":{"type":"operator","id":"P02117","name":"Elkhorn & Jellico Coal Company Inc"},"validFrom":"1970-02-01","validTo":"1979-07-01","current":false,"derived":true,"evidenceMineId":"1502153","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1502153|P02117|1970-02-01|C01797|1950-01-01|56147"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00786","name":"Golden Oak Mining Company Inc"},"object":{"type":"mine","id":"1502153","name":"Sandlick #3"},"validFrom":"1979-07-02","validTo":"1980-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1502153|P00786|1979-07-02|1980-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00644","name":"Paul J  Sturgill"},"object":{"type":"operator","id":"P00786","name":"Golden Oak Mining Company Inc"},"validFrom":"1979-07-02","validTo":"1980-12-31","current":false,"derived":true,"evidenceMineId":"1502153","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1502153|P00786|1979-07-02|C00644|1950-01-01|48764"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P11348","name":"Golden Oak Mining Company Inc"},"object":{"type":"mine","id":"1502153","name":"Sandlick #3"},"validFrom":"1981-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1502153|P11348|1981-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05134","name":"Reading & Bates Corp"},"object":{"type":"mine","id":"1502153","name":"Sandlick #3"},"validFrom":"1981-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1502153|C05134|1981-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05134","name":"Reading & Bates Corp"},"object":{"type":"operator","id":"P11348","name":"Golden Oak Mining Company Inc"},"validFrom":"1981-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1502153","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1502153|P11348|1981-01-01|C05134|1981-01-01|67621"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1502153","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"}}