{"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":"4002580","name":"Coal Halg Fac #1"},"operator":{"type":"operator","id":"P18554","name":"B & D Coal Company"},"controller":{"type":"controller","id":"C12906","name":"Lindsay Paris Mac"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10027","name":"Javelin Mining Inc"},"object":{"type":"mine","id":"4002580","name":"Coal Halg Fac #1"},"validFrom":"1980-01-01","validTo":"1982-11-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002580|P10027|1980-01-01|1982-11-04"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07101","name":"Bass J M Jr"},"object":{"type":"mine","id":"4002580","name":"Coal Halg Fac #1"},"validFrom":"1980-01-01","validTo":"1982-11-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002580|C07101|1980-01-01|1982-11-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07101","name":"Bass J M Jr"},"object":{"type":"operator","id":"P10027","name":"Javelin Mining Inc"},"validFrom":"1980-01-01","validTo":"1982-11-04","current":false,"derived":true,"evidenceMineId":"4002580","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002580|P10027|1980-01-01|C07101|1980-01-01|73784"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P14104","name":"Javelin Mining Inc"},"object":{"type":"mine","id":"4002580","name":"Coal Halg Fac #1"},"validFrom":"1982-11-05","validTo":"1984-04-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002580|P14104|1982-11-05|1984-04-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C02771","name":"Aytes Gene Et Al"},"object":{"type":"mine","id":"4002580","name":"Coal Halg Fac #1"},"validFrom":"1982-11-05","validTo":"1984-04-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002580|C02771|1982-11-05|1984-04-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C02771","name":"Aytes Gene Et Al"},"object":{"type":"operator","id":"P14104","name":"Javelin Mining Inc"},"validFrom":"1982-11-05","validTo":"1984-04-24","current":false,"derived":true,"evidenceMineId":"4002580","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002580|P14104|1982-11-05|C02771|1982-11-05|60720"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17670","name":"Scarab Energy Corp"},"object":{"type":"mine","id":"4002580","name":"Coal Halg Fac #1"},"validFrom":"1984-04-25","validTo":"1989-03-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002580|P17670|1984-04-25|1989-03-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C10255","name":"Reeves Terry C"},"object":{"type":"mine","id":"4002580","name":"Coal Halg Fac #1"},"validFrom":"1984-04-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002580|C10255|1984-04-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C10255","name":"Reeves Terry C"},"object":{"type":"operator","id":"P17670","name":"Scarab Energy Corp"},"validFrom":"1984-04-25","validTo":"1989-03-30","current":false,"derived":true,"evidenceMineId":"4002580","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002580|P17670|1984-04-25|C10255|1984-04-25|81565"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12906","name":"Lindsay Paris Mac"},"object":{"type":"mine","id":"4002580","name":"Coal Halg Fac #1"},"validFrom":"1987-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002580|C12906|1987-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18554","name":"B & D Coal Company"},"object":{"type":"mine","id":"4002580","name":"Coal Halg Fac #1"},"validFrom":"1989-03-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002580|P18554|1989-03-31|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12906","name":"Lindsay Paris Mac"},"object":{"type":"operator","id":"P18554","name":"B & D Coal Company"},"validFrom":"1989-03-31","validTo":null,"current":true,"derived":true,"evidenceMineId":"4002580","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4002580|P18554|1989-03-31|C12906|1987-01-01|88138"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4002580","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"}}