{"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":"4607348","name":"Sequoia #4"},"operator":{"type":"operator","id":"P19639","name":"Boone Minerals Inc"},"controller":{"type":"controller","id":"C13460","name":"Cline Rex"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P18916","name":"Coal Power Coal Company Inc"},"object":{"type":"mine","id":"4607348","name":"Sequoia #4"},"validFrom":"1987-08-01","validTo":"1988-01-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607348|P18916|1987-08-01|1988-01-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13102","name":"Powers Melvin"},"object":{"type":"mine","id":"4607348","name":"Sequoia #4"},"validFrom":"1987-08-01","validTo":"1988-01-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607348|C13102|1987-08-01|1988-01-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13102","name":"Powers Melvin"},"object":{"type":"operator","id":"P18916","name":"Coal Power Coal Company Inc"},"validFrom":"1987-08-01","validTo":"1988-01-28","current":false,"derived":true,"evidenceMineId":"4607348","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607348|P18916|1987-08-01|C13102|1987-08-01|88608"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19393","name":"Charmine Energy Corp"},"object":{"type":"mine","id":"4607348","name":"Sequoia #4"},"validFrom":"1988-01-29","validTo":"1988-07-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607348|P19393|1988-01-29|1988-07-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12413","name":"Fields Glenn E"},"object":{"type":"mine","id":"4607348","name":"Sequoia #4"},"validFrom":"1988-01-29","validTo":"1988-07-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607348|C12413|1988-01-29|1988-07-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12413","name":"Fields Glenn E"},"object":{"type":"operator","id":"P19393","name":"Charmine Energy Corp"},"validFrom":"1988-01-29","validTo":"1988-07-11","current":false,"derived":true,"evidenceMineId":"4607348","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607348|P19393|1988-01-29|C12413|1988-01-29|86828"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19639","name":"Boone Minerals Inc"},"object":{"type":"mine","id":"4607348","name":"Sequoia #4"},"validFrom":"1988-07-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607348|P19639|1988-07-12|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13460","name":"Cline Rex Et Al"},"object":{"type":"mine","id":"4607348","name":"Sequoia #4"},"validFrom":"1988-07-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607348|C13460|1988-07-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13460","name":"Cline Rex Et Al"},"object":{"type":"operator","id":"P19639","name":"Boone Minerals Inc"},"validFrom":"1988-07-12","validTo":null,"current":true,"derived":true,"evidenceMineId":"4607348","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4607348|P19639|1988-07-12|C13460|1988-07-12|90055"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4607348","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"}}