{"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":"0500305","name":"Lincoln Mine"},"operator":{"type":"operator","id":"P07710","name":"Coal Operating Company"},"controller":{"type":"controller","id":"C05319","name":"Asher James D"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00769","name":"Brennan George"},"object":{"type":"mine","id":"0500305","name":"Lincoln Mine"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0500305|C00769|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P06114","name":"Clayton Coal Company"},"object":{"type":"mine","id":"0500305","name":"Lincoln Mine"},"validFrom":"1950-01-01","validTo":"1974-07-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0500305|P06114|1950-01-01|1974-07-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05096","name":"Clendenin G Herbert"},"object":{"type":"mine","id":"0500305","name":"Lincoln Mine"},"validFrom":"1950-01-01","validTo":"1974-07-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0500305|C05096|1950-01-01|1974-07-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05096","name":"Clendenin G Herbert"},"object":{"type":"operator","id":"P06114","name":"Clayton Coal Company"},"validFrom":"1950-01-01","validTo":"1974-07-15","current":false,"derived":true,"evidenceMineId":"0500305","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0500305|P06114|1950-01-01|C05096|1950-01-01|67533"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00924","name":"Adolph Coors Company"},"object":{"type":"mine","id":"0500305","name":"Lincoln Mine"},"validFrom":"1974-07-16","validTo":"1976-03-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0500305|P00924|1974-07-16|1976-03-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00770","name":"Coors Adolph Company"},"object":{"type":"mine","id":"0500305","name":"Lincoln Mine"},"validFrom":"1974-07-16","validTo":"1976-03-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0500305|C00770|1974-07-16|1976-03-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00770","name":"Coors Adolph Company"},"object":{"type":"operator","id":"P00924","name":"Adolph Coors Company"},"validFrom":"1974-07-16","validTo":"1976-03-25","current":false,"derived":true,"evidenceMineId":"0500305","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0500305|P00924|1974-07-16|C00770|1974-07-16|49907"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00923","name":"Imperial Coal Company"},"object":{"type":"mine","id":"0500305","name":"Lincoln Mine"},"validFrom":"1976-03-26","validTo":"1978-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0500305|P00923|1976-03-26|1978-03-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00769","name":"Brennan George"},"object":{"type":"operator","id":"P00923","name":"Imperial Coal Company"},"validFrom":"1976-03-26","validTo":"1978-03-31","current":false,"derived":true,"evidenceMineId":"0500305","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0500305|P00923|1976-03-26|C00769|1950-01-01|49902"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P07710","name":"Coal Operating Company"},"object":{"type":"mine","id":"0500305","name":"Lincoln Mine"},"validFrom":"1978-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0500305|P07710|1978-04-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C05319","name":"Asher James D"},"object":{"type":"mine","id":"0500305","name":"Lincoln Mine"},"validFrom":"1978-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0500305|C05319|1978-04-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C05319","name":"Asher James D"},"object":{"type":"operator","id":"P07710","name":"Coal Operating Company"},"validFrom":"1978-04-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"0500305","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0500305|P07710|1978-04-01|C05319|1978-04-01|68372"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0500305","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"}}