{"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":"4202638","name":"Cedar Valley Pit"},"operator":{"type":"operator","id":"0161173","name":"Valley View Rock Products LLC"},"controller":{"type":"controller","id":"0145301","name":"Eric  Maynes"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"0136493","name":"Great Western Sand & Gravel"},"object":{"type":"mine","id":"4202638","name":"Cedar Valley Pit"},"validFrom":"2014-10-15","validTo":"2018-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202638|0136493|2014-10-15|2018-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0116161","name":"Rebecca  Spencer"},"object":{"type":"mine","id":"4202638","name":"Cedar Valley Pit"},"validFrom":"2014-10-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202638|0116161|2014-10-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0116161","name":"Rebecca  Spencer"},"object":{"type":"operator","id":"0136493","name":"Great Western Sand & Gravel"},"validFrom":"2014-10-15","validTo":"2018-12-31","current":false,"derived":true,"evidenceMineId":"4202638","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202638|0136493|2014-10-15|0116161|2014-10-15|21897"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0161173","name":"Valley View Rock Products, LLC"},"object":{"type":"mine","id":"4202638","name":"Cedar Valley Pit"},"validFrom":"2019-01-01","validTo":"2023-11-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202638|0161173|2019-01-01|2023-11-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0145301","name":"Eric  Maynes"},"object":{"type":"mine","id":"4202638","name":"Cedar Valley Pit"},"validFrom":"2019-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202638|0145301|2019-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0145301","name":"Eric  Maynes"},"object":{"type":"operator","id":"0161173","name":"Valley View Rock Products, LLC"},"validFrom":"2019-01-01","validTo":"2023-11-08","current":false,"derived":true,"evidenceMineId":"4202638","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202638|0161173|2019-01-01|0145301|2019-01-01|29714"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0192373","name":"Cedar Fort Mining, LLC"},"object":{"type":"mine","id":"4202638","name":"Cedar Valley Pit"},"validFrom":"2023-11-09","validTo":"2024-11-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202638|0192373|2023-11-09|2024-11-04"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0180920","name":"Michael  Walker et al"},"object":{"type":"mine","id":"4202638","name":"Cedar Valley Pit"},"validFrom":"2023-11-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202638|0180920|2023-11-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0180920","name":"Michael  Walker et al"},"object":{"type":"operator","id":"0192373","name":"Cedar Fort Mining, LLC"},"validFrom":"2023-11-09","validTo":"2024-11-04","current":false,"derived":true,"evidenceMineId":"4202638","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202638|0192373|2023-11-09|0180920|2023-11-09|38698"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0180920","name":"Dusten L Heugly et al"},"object":{"type":"operator","id":"0192373","name":"Cedar Fort Mining, LLC"},"validFrom":"2023-11-09","validTo":"2024-11-04","current":false,"derived":true,"evidenceMineId":"4202638","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202638|0192373|2023-11-09|0180920|2023-11-09|38699"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0161173","name":"Valley View Rock Products LLC"},"object":{"type":"mine","id":"4202638","name":"Cedar Valley Pit"},"validFrom":"2024-11-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202638|0161173|2024-11-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0145301","name":"Eric  Maynes"},"object":{"type":"operator","id":"0161173","name":"Valley View Rock Products LLC"},"validFrom":"2024-11-05","validTo":null,"current":true,"derived":true,"evidenceMineId":"4202638","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4202638|0161173|2024-11-05|0145301|2019-01-01|29715"}}],"coverage":{"historyRecords":5,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4202638","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"}}