{"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":"1513069","name":"Mine No 1"},"operator":{"type":"operator","id":"P15671","name":"Elkhorn Energies Inc"},"controller":{"type":"controller","id":"C01344","name":"Deskins Jack D"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05822","name":"M Lynn  Parrish"},"object":{"type":"mine","id":"1513069","name":"Mine No 1"},"validFrom":"1979-09-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513069|C05822|1979-09-20|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12325","name":"Ray Mac Coal Company"},"object":{"type":"mine","id":"1513069","name":"Mine No 1"},"validFrom":"1981-08-01","validTo":"1982-10-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513069|P12325|1981-08-01|1982-10-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03767","name":"Mc Ghee James-Frank Justice Et Al"},"object":{"type":"mine","id":"1513069","name":"Mine No 1"},"validFrom":"1981-08-01","validTo":"1982-10-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513069|C03767|1981-08-01|1982-10-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03767","name":"Mc Ghee James-Frank Justice Et Al"},"object":{"type":"operator","id":"P12325","name":"Ray Mac Coal Company"},"validFrom":"1981-08-01","validTo":"1982-10-31","current":false,"derived":true,"evidenceMineId":"1513069","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513069|P12325|1981-08-01|C03767|1981-08-01|63807"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14224","name":"Jaco Mining Company Inc"},"object":{"type":"mine","id":"1513069","name":"Mine No 1"},"validFrom":"1982-11-01","validTo":"1984-06-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513069|P14224|1982-11-01|1984-06-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05822","name":"M Lynn  Parrish"},"object":{"type":"operator","id":"P14224","name":"Jaco Mining Company Inc"},"validFrom":"1982-11-01","validTo":"1984-06-21","current":false,"derived":true,"evidenceMineId":"1513069","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513069|P14224|1982-11-01|C05822|1979-09-20|69981"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P15671","name":"Elkhorn Energies Inc"},"object":{"type":"mine","id":"1513069","name":"Mine No 1"},"validFrom":"1984-06-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513069|P15671|1984-06-22|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01344","name":"Deskins Jack D"},"object":{"type":"mine","id":"1513069","name":"Mine No 1"},"validFrom":"1984-06-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513069|C01344|1984-06-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01344","name":"Deskins Jack D"},"object":{"type":"operator","id":"P15671","name":"Elkhorn Energies Inc"},"validFrom":"1984-06-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"1513069","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1513069|P15671|1984-06-22|C01344|1984-06-22|53724"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1513069","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"}}