{"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":"2602348","name":"Crusher #1"},"operator":{"type":"operator","id":"0061303","name":"Cedar Aggregates LLC"},"controller":{"type":"controller","id":"0051189","name":"Nathan  Myers; Devin R  Lawrimore"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15829","name":"Lawrimore Trucking Incorporated"},"object":{"type":"mine","id":"2602348","name":"Crusher #1"},"validFrom":"1998-05-01","validTo":"2005-05-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602348|L15829|1998-05-01|2005-05-24"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12065","name":"Eagle Rock Ultra Trust"},"object":{"type":"mine","id":"2602348","name":"Crusher #1"},"validFrom":"1998-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602348|M12065|1998-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12065","name":"Eagle Rock Ultra Trust"},"object":{"type":"operator","id":"L15829","name":"Lawrimore Trucking Incorporated"},"validFrom":"1998-05-01","validTo":"2005-05-24","current":false,"derived":true,"evidenceMineId":"2602348","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602348|L15829|1998-05-01|M12065|1998-05-01|153042"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0061303","name":"Cedar Aggregates LLC"},"object":{"type":"mine","id":"2602348","name":"Crusher #1"},"validFrom":"2005-05-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602348|0061303|2005-05-25|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0051189","name":"Devin R  Lawrimore  et al"},"object":{"type":"mine","id":"2602348","name":"Crusher #1"},"validFrom":"2005-05-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602348|0051189|2005-05-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0051189","name":"Devin R  Lawrimore  et al"},"object":{"type":"operator","id":"0061303","name":"Cedar Aggregates LLC"},"validFrom":"2005-05-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"2602348","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602348|0061303|2005-05-25|0051189|2005-05-25|6436"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0051189","name":"Nathan  Myers  et al"},"object":{"type":"operator","id":"0061303","name":"Cedar Aggregates LLC"},"validFrom":"2005-05-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"2602348","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"2602348|0061303|2005-05-25|0051189|2005-05-25|6437"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2602348","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"}}