{"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":"1510984","name":"No 5 Mine"},"operator":{"type":"operator","id":"P09279","name":"Cynthia Ann Coal Company Inc"},"controller":{"type":"controller","id":"C07317","name":"Jones Harold Gregory"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07854","name":"Salyer Coal Company"},"object":{"type":"mine","id":"1510984","name":"No 5 Mine"},"validFrom":"1977-12-01","validTo":"1980-02-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510984|P07854|1977-12-01|1980-02-13"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06348","name":"Salyer William D-Dennis Ray & Elmo"},"object":{"type":"mine","id":"1510984","name":"No 5 Mine"},"validFrom":"1977-12-01","validTo":"1980-02-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510984|C06348|1977-12-01|1980-02-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06348","name":"Salyer William D-Dennis Ray & Elmo"},"object":{"type":"operator","id":"P07854","name":"Salyer Coal Company"},"validFrom":"1977-12-01","validTo":"1980-02-13","current":false,"derived":true,"evidenceMineId":"1510984","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510984|P07854|1977-12-01|C06348|1977-12-01|71560"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07317","name":"Jones Harold Gregory"},"object":{"type":"mine","id":"1510984","name":"No 5 Mine"},"validFrom":"1979-04-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510984|C07317|1979-04-17|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10078","name":"Salyer Coal Company"},"object":{"type":"mine","id":"1510984","name":"No 5 Mine"},"validFrom":"1980-02-14","validTo":"1980-03-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510984|P10078|1980-02-14|1980-03-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07748","name":"Salyer Henry E"},"object":{"type":"mine","id":"1510984","name":"No 5 Mine"},"validFrom":"1980-02-14","validTo":"1980-03-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510984|C07748|1980-02-14|1980-03-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07748","name":"Salyer Henry E"},"object":{"type":"operator","id":"P10078","name":"Salyer Coal Company"},"validFrom":"1980-02-14","validTo":"1980-03-23","current":false,"derived":true,"evidenceMineId":"1510984","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510984|P10078|1980-02-14|C07748|1980-02-14|75611"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10398","name":"S U C O Inc"},"object":{"type":"mine","id":"1510984","name":"No 5 Mine"},"validFrom":"1980-03-24","validTo":"1980-09-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510984|P10398|1980-03-24|1980-09-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07929","name":"Michael  McClure"},"object":{"type":"mine","id":"1510984","name":"No 5 Mine"},"validFrom":"1980-03-24","validTo":"1980-09-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510984|C07929|1980-03-24|1980-09-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07929","name":"Michael  McClure"},"object":{"type":"operator","id":"P10398","name":"S U C O Inc"},"validFrom":"1980-03-24","validTo":"1980-09-15","current":false,"derived":true,"evidenceMineId":"1510984","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510984|P10398|1980-03-24|C07929|1980-03-24|76006"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P09279","name":"Cynthia Ann Coal Company Inc"},"object":{"type":"mine","id":"1510984","name":"No 5 Mine"},"validFrom":"1980-09-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510984|P09279|1980-09-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07317","name":"Jones Harold Gregory"},"object":{"type":"operator","id":"P09279","name":"Cynthia Ann Coal Company Inc"},"validFrom":"1980-09-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"1510984","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1510984|P09279|1980-09-16|C07317|1979-04-17|74334"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1510984","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"}}