{"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":"0504119","name":"FCM Rental Crusher"},"operator":{"type":"operator","id":"L16678","name":"Four Corners Materials"},"controller":{"type":"controller","id":"M06183","name":"CRH PLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L36723","name":"Noland Inc"},"object":{"type":"mine","id":"0504119","name":"FCM Rental Crusher"},"validFrom":"1986-02-01","validTo":"2004-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504119|L36723|1986-02-01|2004-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M36723","name":"Frank  Noland"},"object":{"type":"mine","id":"0504119","name":"FCM Rental Crusher"},"validFrom":"1986-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504119|M36723|1986-02-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M36723","name":"Frank  Noland"},"object":{"type":"operator","id":"L36723","name":"Noland Inc"},"validFrom":"1986-02-01","validTo":"2004-12-31","current":false,"derived":true,"evidenceMineId":"0504119","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504119|L36723|1986-02-01|M36723|1986-02-01|165876"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"0504119","name":"FCM Rental Crusher"},"validFrom":"1998-01-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504119|M06183|1998-01-05|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10488","name":"Southern Ute Indian Tribe"},"object":{"type":"mine","id":"0504119","name":"FCM Rental Crusher"},"validFrom":"2004-01-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504119|M10488|2004-01-28|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051950","name":"Sky Ute Sand & Gravel, LLC"},"object":{"type":"mine","id":"0504119","name":"FCM Rental Crusher"},"validFrom":"2005-01-01","validTo":"2023-06-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504119|0051950|2005-01-01|2023-06-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10488","name":"Southern Ute Indian Tribe"},"object":{"type":"operator","id":"0051950","name":"Sky Ute Sand & Gravel, LLC"},"validFrom":"2005-01-01","validTo":"2023-06-28","current":false,"derived":true,"evidenceMineId":"0504119","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504119|0051950|2005-01-01|M10488|2004-01-28|149334"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16678","name":"Four Corners Materials"},"object":{"type":"mine","id":"0504119","name":"FCM Rental Crusher"},"validFrom":"2023-06-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504119|L16678|2023-06-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L16678","name":"Four Corners Materials"},"validFrom":"2023-06-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"0504119","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0504119|L16678|2023-06-29|M06183|1998-01-05|136715"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0504119","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"}}