{"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":"2026-10-17T05:35:58.500035+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":"1000373","name":"Pocatello Wash Plant"},"operator":{"type":"operator","id":"L17959","name":"Idaho Materials and Construction"},"controller":{"type":"controller","id":"M06183","name":"CRH PLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00895","name":"Bannock Paving Company Inc"},"object":{"type":"mine","id":"1000373","name":"Pocatello Wash Plant"},"validFrom":"1950-01-01","validTo":"2012-06-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1000373|L00895|1950-01-01|2012-06-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02816","name":"Parson Jack B Companies"},"object":{"type":"mine","id":"1000373","name":"Pocatello Wash Plant"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1000373|M02816|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02816","name":"Parson Jack B Companies"},"object":{"type":"operator","id":"L00895","name":"Bannock Paving Company Inc"},"validFrom":"1950-01-01","validTo":"2012-06-19","current":false,"derived":true,"evidenceMineId":"1000373","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1000373|L00895|1950-01-01|M02816|1950-01-01|127048"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"1000373","name":"Pocatello Wash Plant"},"validFrom":"2000-03-27","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1000373|M06183|2000-03-27|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"1000373","name":"Pocatello Wash Plant"},"validFrom":"2002-05-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1000373|M06183|2002-05-30|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050765","name":"Staker & Parson Co."},"object":{"type":"mine","id":"1000373","name":"Pocatello Wash Plant"},"validFrom":"2012-06-20","validTo":"2021-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1000373|0050765|2012-06-20|2021-04-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"0050765","name":"Staker & Parson Co."},"validFrom":"2012-06-20","validTo":"2021-04-30","current":false,"derived":true,"evidenceMineId":"1000373","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1000373|0050765|2012-06-20|M06183|2002-05-30|137032"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17959","name":"Idaho Materials and Construction"},"object":{"type":"mine","id":"1000373","name":"Pocatello Wash Plant"},"validFrom":"2021-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1000373|L17959|2021-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L17959","name":"Idaho Materials and Construction"},"validFrom":"2021-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1000373","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1000373|L17959|2021-05-01|M06183|2000-03-27|136881"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1000373","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}