{"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":"3400040","name":"Pawhuska Quarry"},"operator":{"type":"operator","id":"L11502","name":"APAC-Central, Inc"},"controller":{"type":"controller","id":"M06183","name":"CRH PLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"mine","id":"3400040","name":"Pawhuska Quarry"},"validFrom":"1950-01-01","validTo":"2006-08-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3400040|M00049|1950-01-01|2006-08-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00533","name":"James O  Bell"},"object":{"type":"mine","id":"3400040","name":"Pawhuska Quarry"},"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":"3400040|M00533|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00983","name":"Sedan Limestone Company Inc"},"object":{"type":"mine","id":"3400040","name":"Pawhuska Quarry"},"validFrom":"1950-01-01","validTo":"1995-02-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3400040|L00983|1950-01-01|1995-02-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00843","name":"Richard E  Blake et al"},"object":{"type":"mine","id":"3400040","name":"Pawhuska Quarry"},"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":"3400040|M00843|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00843","name":"Richard E  Blake et al"},"object":{"type":"operator","id":"L00983","name":"Sedan Limestone Company Inc"},"validFrom":"1950-01-01","validTo":"1995-02-28","current":false,"derived":true,"evidenceMineId":"3400040","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3400040|L00983|1950-01-01|M00843|1950-01-01|115337"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00640","name":"Bellco Materials Inc"},"object":{"type":"mine","id":"3400040","name":"Pawhuska Quarry"},"validFrom":"1995-03-01","validTo":"2007-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3400040|L00640|1995-03-01|2007-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00533","name":"James O  Bell"},"object":{"type":"operator","id":"L00640","name":"Bellco Materials Inc"},"validFrom":"1995-03-01","validTo":"2007-12-31","current":false,"derived":true,"evidenceMineId":"3400040","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3400040|L00640|1995-03-01|M00533|1950-01-01|112871"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"mine","id":"3400040","name":"Pawhuska Quarry"},"validFrom":"2006-08-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3400040|M06183|2006-08-28|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09912","name":"APAC-Oklahoma Inc"},"object":{"type":"mine","id":"3400040","name":"Pawhuska Quarry"},"validFrom":"2008-01-01","validTo":"2009-12-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3400040|L09912|2008-01-01|2009-12-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"operator","id":"L09912","name":"APAC-Oklahoma Inc"},"validFrom":"2008-01-01","validTo":"2006-08-27","current":false,"derived":true,"evidenceMineId":"3400040","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3400040|L09912|2008-01-01|M00049|1950-01-01|102688"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L09912","name":"APAC-Oklahoma Inc"},"validFrom":"2008-01-01","validTo":"2009-12-25","current":false,"derived":true,"evidenceMineId":"3400040","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3400040|L09912|2008-01-01|M06183|2006-08-28|137375"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11502","name":"APAC-Central, Inc"},"object":{"type":"mine","id":"3400040","name":"Pawhuska Quarry"},"validFrom":"2009-12-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3400040|L11502|2009-12-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00049","name":"Ashland Inc"},"object":{"type":"operator","id":"L11502","name":"APAC-Central, Inc"},"validFrom":"2009-12-26","validTo":"2006-08-27","current":false,"derived":true,"evidenceMineId":"3400040","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3400040|L11502|2009-12-26|M00049|1950-01-01|102689"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M06183","name":"CRH PLC"},"object":{"type":"operator","id":"L11502","name":"APAC-Central, Inc"},"validFrom":"2009-12-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"3400040","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"3400040|L11502|2009-12-26|M06183|2006-08-28|137376"}}],"coverage":{"historyRecords":6,"edgeCount":14,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3400040","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"}}