{"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":"3002647","name":"COY RD QUARRY"},"operator":{"type":"operator","id":"L10447","name":"JOINTA LIME COMPANY"},"controller":{"type":"controller","id":"M02321","name":"D A Collins Construction Company Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00356","name":"Peckham Industries Inc"},"object":{"type":"mine","id":"3002647","name":"COY RD QUARRY"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3002647|M00356|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09425","name":"W J Bokus Industries Inc"},"object":{"type":"mine","id":"3002647","name":"COY RD QUARRY"},"validFrom":"1984-02-01","validTo":"2001-03-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3002647|L09425|1984-02-01|2001-03-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07399","name":"W J  Bokus"},"object":{"type":"mine","id":"3002647","name":"COY RD QUARRY"},"validFrom":"1984-02-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3002647|M07399|1984-02-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07399","name":"W J  Bokus"},"object":{"type":"operator","id":"L09425","name":"W J Bokus Industries Inc"},"validFrom":"1984-02-01","validTo":"2001-03-18","current":false,"derived":true,"evidenceMineId":"3002647","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3002647|L09425|1984-02-01|M07399|1984-02-01|141206"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02321","name":"D A Collins Construction Company Inc"},"object":{"type":"mine","id":"3002647","name":"COY RD QUARRY"},"validFrom":"1991-11-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3002647|M02321|1991-11-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00435","name":"Peckham Materials Corp"},"object":{"type":"mine","id":"3002647","name":"COY RD QUARRY"},"validFrom":"2001-03-19","validTo":"2019-07-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3002647|L00435|2001-03-19|2019-07-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00356","name":"Peckham Industries Inc"},"object":{"type":"operator","id":"L00435","name":"Peckham Materials Corp"},"validFrom":"2001-03-19","validTo":"2019-07-02","current":false,"derived":true,"evidenceMineId":"3002647","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3002647|L00435|2001-03-19|M00356|1950-01-01|109957"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10447","name":"JOINTA LIME COMPANY"},"object":{"type":"mine","id":"3002647","name":"COY RD QUARRY"},"validFrom":"2019-07-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3002647|L10447|2019-07-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02321","name":"D A Collins Construction Company Inc"},"object":{"type":"operator","id":"L10447","name":"JOINTA LIME COMPANY"},"validFrom":"2019-07-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"3002647","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3002647|L10447|2019-07-03|M02321|1991-11-01|124775"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3002647","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"}}