{"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":"2026-10-18T09:31:49.615908+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":"3303241","name":"CCR Sand & Gravel LLC"},"operator":{"type":"operator","id":"0127773","name":"CCR Sand & Gravel LLC"},"controller":{"type":"controller","id":"0108621","name":"Ronald M  Condren; Craig L  Franks"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-18T09:31:49.615908+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06530","name":"Seville Sand & Gravel Inc"},"object":{"type":"mine","id":"3303241","name":"CCR Sand & Gravel LLC"},"validFrom":"1950-01-01","validTo":"1983-02-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3303241|L06530|1950-01-01|1983-02-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05195","name":"H F  Fahrland"},"object":{"type":"mine","id":"3303241","name":"CCR Sand & Gravel LLC"},"validFrom":"1950-01-01","validTo":"1983-02-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3303241|M05195|1950-01-01|1983-02-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05195","name":"H F  Fahrland"},"object":{"type":"operator","id":"L06530","name":"Seville Sand & Gravel Inc"},"validFrom":"1950-01-01","validTo":"1983-02-16","current":false,"derived":true,"evidenceMineId":"3303241","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3303241|L06530|1950-01-01|M05195|1950-01-01|133952"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06531","name":"Seville Sand & Gravel Inc"},"object":{"type":"mine","id":"3303241","name":"CCR Sand & Gravel LLC"},"validFrom":"1983-02-17","validTo":"2013-03-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3303241|L06531|1983-02-17|2013-03-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05196","name":"George  Cross"},"object":{"type":"mine","id":"3303241","name":"CCR Sand & Gravel LLC"},"validFrom":"1983-02-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3303241|M05196|1983-02-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05196","name":"George  Cross"},"object":{"type":"operator","id":"L06531","name":"Seville Sand & Gravel Inc"},"validFrom":"1983-02-17","validTo":"2013-03-24","current":false,"derived":true,"evidenceMineId":"3303241","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3303241|L06531|1983-02-17|M05196|1983-02-17|133953"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0127773","name":"CCR Sand & Gravel LLC"},"object":{"type":"mine","id":"3303241","name":"CCR Sand & Gravel LLC"},"validFrom":"2013-03-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3303241|0127773|2013-03-25|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0108621","name":"Craig L  Franks et al"},"object":{"type":"mine","id":"3303241","name":"CCR Sand & Gravel LLC"},"validFrom":"2013-03-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3303241|0108621|2013-03-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0108621","name":"Craig L  Franks et al"},"object":{"type":"operator","id":"0127773","name":"CCR Sand & Gravel LLC"},"validFrom":"2013-03-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"3303241","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3303241|0127773|2013-03-25|0108621|2013-03-25|19565"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0108621","name":"Ronald M  Condren et al"},"object":{"type":"operator","id":"0127773","name":"CCR Sand & Gravel LLC"},"validFrom":"2013-03-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"3303241","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-18T09:31:49.615908+00:00","recordKey":"3303241|0127773|2013-03-25|0108621|2013-03-25|19566"}}],"coverage":{"historyRecords":4,"edgeCount":10,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3303241","dataSource":"postgres","snapshotId":"2026-10-18T09:31:49.615908+00:00","completedAt":"2026-10-18T09:31:49.615Z","sourceCount":20,"totalRows":17915666,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}