{"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":"3500719","name":"Applegate Pit"},"operator":{"type":"operator","id":"L06547","name":"Southern Oregon Concrete Ltd"},"controller":{"type":"controller","id":"M05209","name":"Sloan Edward"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02291","name":"Robert C Gilbert Company Inc"},"object":{"type":"mine","id":"3500719","name":"Applegate Pit"},"validFrom":"1950-01-01","validTo":"1978-03-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3500719|L02291|1950-01-01|1978-03-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02012","name":"Gilbert Robert C"},"object":{"type":"mine","id":"3500719","name":"Applegate Pit"},"validFrom":"1950-01-01","validTo":"1979-11-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3500719|M02012|1950-01-01|1979-11-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02012","name":"Gilbert Robert C"},"object":{"type":"operator","id":"L02291","name":"Robert C Gilbert Company Inc"},"validFrom":"1950-01-01","validTo":"1978-03-30","current":false,"derived":true,"evidenceMineId":"3500719","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3500719|L02291|1950-01-01|M02012|1950-01-01|122657"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L02320","name":"Southern Oregon Concrete Inc"},"object":{"type":"mine","id":"3500719","name":"Applegate Pit"},"validFrom":"1978-04-01","validTo":"1983-06-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3500719|L02320|1978-04-01|1983-06-07"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02040","name":"Bolch Kenneth"},"object":{"type":"mine","id":"3500719","name":"Applegate Pit"},"validFrom":"1978-04-01","validTo":"1983-06-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3500719|M02040|1978-04-01|1983-06-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02040","name":"Bolch Kenneth"},"object":{"type":"operator","id":"L02320","name":"Southern Oregon Concrete Inc"},"validFrom":"1978-04-01","validTo":"1983-06-07","current":false,"derived":true,"evidenceMineId":"3500719","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3500719|L02320|1978-04-01|M02040|1978-04-01|122730"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06547","name":"Southern Oregon Concrete Ltd"},"object":{"type":"mine","id":"3500719","name":"Applegate Pit"},"validFrom":"1983-06-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3500719|L06547|1983-06-08|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05209","name":"Sloan Edward"},"object":{"type":"mine","id":"3500719","name":"Applegate Pit"},"validFrom":"1983-06-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3500719|M05209|1983-06-08|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05209","name":"Sloan Edward"},"object":{"type":"operator","id":"L06547","name":"Southern Oregon Concrete Ltd"},"validFrom":"1983-06-08","validTo":null,"current":true,"derived":true,"evidenceMineId":"3500719","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3500719|L06547|1983-06-08|M05209|1983-06-08|133938"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3500719","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"}}