{"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":"1601570","name":"Plant 1"},"operator":{"type":"operator","id":"0173459","name":"Superior Sand and Gravel"},"controller":{"type":"controller","id":"0158309","name":"Marcus L Dyess"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0114903","name":"M Lane  Dyess et al"},"object":{"type":"mine","id":"1601570","name":"Plant 1"},"validFrom":"2014-09-10","validTo":"2017-03-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601570|0114903|2014-09-10|2017-03-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0134541","name":"Marc C  Dyess"},"object":{"type":"mine","id":"1601570","name":"Plant 1"},"validFrom":"2017-03-24","validTo":"2019-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601570|0134541|2017-03-24|2019-12-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0134974","name":"Regional Sand and Gravel, LLC"},"object":{"type":"mine","id":"1601570","name":"Plant 1"},"validFrom":"2017-06-27","validTo":"2020-09-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601570|0134974|2017-06-27|2020-09-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0114903","name":"M Lane  Dyess et al"},"object":{"type":"operator","id":"0134974","name":"Regional Sand and Gravel, LLC"},"validFrom":"2017-06-27","validTo":"2017-03-23","current":false,"derived":true,"evidenceMineId":"1601570","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601570|0134974|2017-06-27|0114903|2014-09-10|21617"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0114903","name":"M Renee  Miller et al"},"object":{"type":"operator","id":"0134974","name":"Regional Sand and Gravel, LLC"},"validFrom":"2017-06-27","validTo":"2017-03-23","current":false,"derived":true,"evidenceMineId":"1601570","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601570|0134974|2017-06-27|0114903|2014-09-10|21618"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0134541","name":"Marc C  Dyess"},"object":{"type":"operator","id":"0134974","name":"Regional Sand and Gravel, LLC"},"validFrom":"2017-06-27","validTo":"2019-12-31","current":false,"derived":true,"evidenceMineId":"1601570","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601570|0134974|2017-06-27|0134541|2017-03-24|27065"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0154983","name":"Marcus C  Dyess et al"},"object":{"type":"mine","id":"1601570","name":"Plant 1"},"validFrom":"2020-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601570|0154983|2020-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0154983","name":"Marcus C  Dyess et al"},"object":{"type":"operator","id":"0134974","name":"Regional Sand and Gravel, LLC"},"validFrom":"2020-01-01","validTo":"2020-09-22","current":false,"derived":true,"evidenceMineId":"1601570","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601570|0134974|2017-06-27|0154983|2020-01-01|32118"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0154983","name":"Marcus Lane  Dyess et al"},"object":{"type":"operator","id":"0134974","name":"Regional Sand and Gravel, LLC"},"validFrom":"2020-01-01","validTo":"2020-09-22","current":false,"derived":true,"evidenceMineId":"1601570","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601570|0134974|2017-06-27|0154983|2020-01-01|32119"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0173459","name":"Superior Sand and Gravel"},"object":{"type":"mine","id":"1601570","name":"Plant 1"},"validFrom":"2020-09-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601570|0173459|2020-09-23|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0158309","name":"Marcus L Dyess"},"object":{"type":"mine","id":"1601570","name":"Plant 1"},"validFrom":"2020-09-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601570|0158309|2020-09-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0158309","name":"Marcus L Dyess"},"object":{"type":"operator","id":"0173459","name":"Superior Sand and Gravel"},"validFrom":"2020-09-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"1601570","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1601570|0173459|2020-09-23|0158309|2020-09-23|32762"}}],"coverage":{"historyRecords":6,"edgeCount":12,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1601570","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"}}