{"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":"3001183","name":"Lake Road"},"operator":{"type":"operator","id":"L15280","name":"Syracuse Sand & Gravel LLC"},"controller":{"type":"controller","id":"0119321","name":"Richard J  Riccelli"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00589","name":"Samuel  Malcuria"},"object":{"type":"mine","id":"3001183","name":"Lake Road"},"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":"3001183|M00589|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00721","name":"Malcuria Brothers Inc"},"object":{"type":"mine","id":"3001183","name":"Lake Road"},"validFrom":"1980-02-01","validTo":"1997-05-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3001183|L00721|1980-02-01|1997-05-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00589","name":"Samuel  Malcuria"},"object":{"type":"operator","id":"L00721","name":"Malcuria Brothers Inc"},"validFrom":"1980-02-01","validTo":"1997-05-29","current":false,"derived":true,"evidenceMineId":"3001183","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3001183|L00721|1980-02-01|M00589|1950-01-01|113309"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11653","name":"Richard  Riccelli et al"},"object":{"type":"mine","id":"3001183","name":"Lake Road"},"validFrom":"1997-05-21","validTo":"2015-01-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3001183|M11653|1997-05-21|2015-01-14"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15280","name":"Syracuse Sand & Gravel LLC"},"object":{"type":"mine","id":"3001183","name":"Lake Road"},"validFrom":"1997-05-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3001183|L15280|1997-05-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11653","name":"Richard  Riccelli et al"},"object":{"type":"operator","id":"L15280","name":"Syracuse Sand & Gravel LLC"},"validFrom":"1997-05-30","validTo":"2015-01-14","current":false,"derived":true,"evidenceMineId":"3001183","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3001183|L15280|1997-05-30|M11653|1997-05-21|151977"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11653","name":"Joseph  Riccelli et al"},"object":{"type":"operator","id":"L15280","name":"Syracuse Sand & Gravel LLC"},"validFrom":"1997-05-30","validTo":"2015-01-14","current":false,"derived":true,"evidenceMineId":"3001183","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3001183|L15280|1997-05-30|M11653|1997-05-21|151978"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0119321","name":"Richard J  Riccelli"},"object":{"type":"mine","id":"3001183","name":"Lake Road"},"validFrom":"2015-01-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3001183|0119321|2015-01-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119321","name":"Richard J  Riccelli"},"object":{"type":"operator","id":"L15280","name":"Syracuse Sand & Gravel LLC"},"validFrom":"2015-01-15","validTo":null,"current":true,"derived":true,"evidenceMineId":"3001183","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3001183|L15280|1997-05-30|0119321|2015-01-15|22812"}}],"coverage":{"historyRecords":4,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3001183","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"}}