{"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":"3000060","name":"Jamesville Plant"},"operator":{"type":"operator","id":"L16322","name":"Heidelberg Materials Northeast-LLC"},"controller":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00002","name":"Koppers Company Inc"},"object":{"type":"mine","id":"3000060","name":"Jamesville Plant"},"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":"3000060|M00002|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L05267","name":"Allied Corp-Allied Chemical Company"},"object":{"type":"mine","id":"3000060","name":"Jamesville Plant"},"validFrom":"1950-01-01","validTo":"1986-03-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000060|L05267|1950-01-01|1986-03-05"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00011","name":"Allied-Signal Inc"},"object":{"type":"mine","id":"3000060","name":"Jamesville Plant"},"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":"3000060|M00011|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00011","name":"Allied-Signal Inc"},"object":{"type":"operator","id":"L05267","name":"Allied Corp-Allied Chemical Company"},"validFrom":"1950-01-01","validTo":"1986-03-05","current":false,"derived":true,"evidenceMineId":"3000060","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000060|L05267|1950-01-01|M00011|1950-01-01|101276"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00032","name":"General Crushed Stone Company"},"object":{"type":"mine","id":"3000060","name":"Jamesville Plant"},"validFrom":"1986-03-06","validTo":"1988-11-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000060|L00032|1986-03-06|1988-11-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00002","name":"Koppers Company Inc"},"object":{"type":"operator","id":"L00032","name":"General Crushed Stone Company"},"validFrom":"1986-03-06","validTo":"1988-11-13","current":false,"derived":true,"evidenceMineId":"3000060","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000060|L00032|1986-03-06|M00002|1950-01-01|100323"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16397","name":"Heidelberg Materials Northeast-NY LLC"},"object":{"type":"mine","id":"3000060","name":"Jamesville Plant"},"validFrom":"1988-11-14","validTo":"2025-05-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000060|L16397|1988-11-14|2025-05-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"mine","id":"3000060","name":"Jamesville Plant"},"validFrom":"1988-11-14","validTo":"2007-08-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000060|M00521|1988-11-14|2007-08-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"operator","id":"L16397","name":"Heidelberg Materials Northeast-NY LLC"},"validFrom":"1988-11-14","validTo":"2007-08-22","current":false,"derived":true,"evidenceMineId":"3000060","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000060|L16397|1988-11-14|M00521|1988-11-14|112230"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"mine","id":"3000060","name":"Jamesville Plant"},"validFrom":"2007-08-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000060|M00004|2007-08-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"operator","id":"L16397","name":"Heidelberg Materials Northeast-NY LLC"},"validFrom":"2007-08-23","validTo":"2025-05-18","current":false,"derived":true,"evidenceMineId":"3000060","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000060|L16397|1988-11-14|M00004|2007-08-23|100832"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16322","name":"Heidelberg Materials Northeast-LLC"},"object":{"type":"mine","id":"3000060","name":"Jamesville Plant"},"validFrom":"2025-05-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000060|L16322|2025-05-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"operator","id":"L16322","name":"Heidelberg Materials Northeast-LLC"},"validFrom":"2025-05-19","validTo":null,"current":true,"derived":true,"evidenceMineId":"3000060","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000060|L16322|2025-05-19|M00004|2007-08-23|100833"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"operator","id":"L16322","name":"Heidelberg Materials Northeast-LLC"},"validFrom":"2025-05-19","validTo":"2007-08-22","current":false,"derived":true,"evidenceMineId":"3000060","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000060|L16322|2025-05-19|M00521|1988-11-14|112231"}}],"coverage":{"historyRecords":6,"edgeCount":14,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3000060","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"}}