{"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":"3401742","name":"Cavanal West Mine"},"operator":{"type":"operator","id":"P03500","name":"Farrell-Cooper Mining Company"},"controller":{"type":"controller","id":"C00463","name":"William J  Cooper"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00463","name":"William J  Cooper"},"object":{"type":"mine","id":"3401742","name":"Cavanal West Mine"},"validFrom":"1975-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|C00463|1975-03-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21324","name":"Hudson Mining Company Inc"},"object":{"type":"mine","id":"3401742","name":"Cavanal West Mine"},"validFrom":"1991-01-01","validTo":"1993-10-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|P21324|1991-01-01|1993-10-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C09925","name":"Hudson A Z Et Al"},"object":{"type":"mine","id":"3401742","name":"Cavanal West Mine"},"validFrom":"1991-01-01","validTo":"1993-10-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|C09925|1991-01-01|1993-10-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C09925","name":"Hudson A Z Et Al"},"object":{"type":"operator","id":"P21324","name":"Hudson Mining Company Inc"},"validFrom":"1991-01-01","validTo":"1993-10-19","current":false,"derived":true,"evidenceMineId":"3401742","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|P21324|1991-01-01|C09925|1991-01-01|80906"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P22679","name":"Mountain Minerals Inc"},"object":{"type":"mine","id":"3401742","name":"Cavanal West Mine"},"validFrom":"1993-10-20","validTo":"1994-06-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|P22679|1993-10-20|1994-06-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15014","name":"Bakke Dennis"},"object":{"type":"mine","id":"3401742","name":"Cavanal West Mine"},"validFrom":"1993-10-20","validTo":"1994-06-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|C15014|1993-10-20|1994-06-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15014","name":"Bakke Dennis"},"object":{"type":"operator","id":"P22679","name":"Mountain Minerals Inc"},"validFrom":"1993-10-20","validTo":"1994-06-09","current":false,"derived":true,"evidenceMineId":"3401742","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|P22679|1993-10-20|C15014|1993-10-20|94565"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P03500","name":"Farrell-Cooper Mining Company"},"object":{"type":"mine","id":"3401742","name":"Cavanal West Mine"},"validFrom":"1994-06-10","validTo":"2018-02-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|P03500|1994-06-10|2018-02-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00463","name":"William J  Cooper"},"object":{"type":"operator","id":"P03500","name":"Farrell-Cooper Mining Company"},"validFrom":"1994-06-10","validTo":"2018-02-07","current":false,"derived":true,"evidenceMineId":"3401742","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|P03500|1994-06-10|C00463|1975-03-01|47356"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0155493","name":"Brazil Creek Minerals"},"object":{"type":"mine","id":"3401742","name":"Cavanal West Mine"},"validFrom":"2018-02-08","validTo":"2018-03-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|0155493|2018-02-08|2018-03-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00463","name":"William J  Cooper"},"object":{"type":"mine","id":"3401742","name":"Cavanal West Mine"},"validFrom":"2018-02-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|C00463|2018-02-08|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00463","name":"William J  Cooper"},"object":{"type":"operator","id":"0155493","name":"Brazil Creek Minerals"},"validFrom":"2018-02-08","validTo":"2018-03-08","current":false,"derived":true,"evidenceMineId":"3401742","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|0155493|2018-02-08|C00463|2018-02-08|47364"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P03500","name":"Farrell-Cooper Mining Company"},"object":{"type":"mine","id":"3401742","name":"Cavanal West Mine"},"validFrom":"2018-03-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|P03500|2018-03-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00463","name":"William J  Cooper"},"object":{"type":"operator","id":"P03500","name":"Farrell-Cooper Mining Company"},"validFrom":"2018-03-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"3401742","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3401742|P03500|2018-03-09|C00463|1975-03-01|47357"}}],"coverage":{"historyRecords":5,"edgeCount":14,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3401742","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"}}