{"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":"3000070","name":"CEMENTON QUARRY"},"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":"operator_operates_mine","subject":{"type":"operator","id":"L00002","name":"Lehigh Portland Cement Company"},"object":{"type":"mine","id":"3000070","name":"CEMENTON QUARRY"},"validFrom":"1950-01-01","validTo":"2000-06-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|L00002|1950-01-01|2000-06-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"mine","id":"3000070","name":"CEMENTON 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":"3000070|M00004|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"operator","id":"L00002","name":"Lehigh Portland Cement Company"},"validFrom":"1950-01-01","validTo":"2000-06-18","current":false,"derived":true,"evidenceMineId":"3000070","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|L00002|1950-01-01|M00004|1950-01-01|100512"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"mine","id":"3000070","name":"CEMENTON QUARRY"},"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":"3000070|M00521|1988-11-14|2007-08-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13005","name":"Dyckerhoff & Heidelberger Zement Ag"},"object":{"type":"mine","id":"3000070","name":"CEMENTON QUARRY"},"validFrom":"1999-04-17","validTo":"2005-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|M13005|1999-04-17|2005-12-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17057","name":"Lehigh Northeast Cement Company"},"object":{"type":"mine","id":"3000070","name":"CEMENTON QUARRY"},"validFrom":"2000-06-19","validTo":"2022-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|L17057|2000-06-19|2022-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13005","name":"Dyckerhoff & Heidelberger Zement Ag"},"object":{"type":"operator","id":"L17057","name":"Lehigh Northeast Cement Company"},"validFrom":"2000-06-19","validTo":"2005-12-31","current":false,"derived":true,"evidenceMineId":"3000070","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|L17057|2000-06-19|M13005|1999-04-17|155136"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"mine","id":"3000070","name":"CEMENTON QUARRY"},"validFrom":"2000-07-21","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|M00004|2000-07-21|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"mine","id":"3000070","name":"CEMENTON QUARRY"},"validFrom":"2006-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|M00004|2006-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"operator","id":"L17057","name":"Lehigh Northeast Cement Company"},"validFrom":"2006-01-01","validTo":"2022-12-31","current":false,"derived":true,"evidenceMineId":"3000070","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|L17057|2000-06-19|M00004|2006-01-01|100578"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"mine","id":"3000070","name":"CEMENTON QUARRY"},"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":"3000070|M00004|2007-08-23|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17551","name":"Heidelberg Materials US Cement LLC"},"object":{"type":"mine","id":"3000070","name":"CEMENTON QUARRY"},"validFrom":"2023-01-01","validTo":"2025-04-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|L17551|2023-01-01|2025-04-20"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"operator","id":"L17551","name":"Heidelberg Materials US Cement LLC"},"validFrom":"2023-01-01","validTo":"2025-04-20","current":false,"derived":true,"evidenceMineId":"3000070","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|L17551|2023-01-01|M00004|2000-07-21|100550"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16397","name":"Heidelberg Materials Northeast-NY LLC"},"object":{"type":"mine","id":"3000070","name":"CEMENTON QUARRY"},"validFrom":"2025-04-21","validTo":"2025-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|L16397|2025-04-21|2025-04-30"}},{"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":"2025-04-21","validTo":"2025-04-30","current":false,"derived":true,"evidenceMineId":"3000070","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|L16397|2025-04-21|M00004|2007-08-23|100835"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"operator","id":"L16397","name":"Heidelberg Materials Northeast-NY LLC"},"validFrom":"2025-04-21","validTo":"2007-08-22","current":false,"derived":true,"evidenceMineId":"3000070","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|L16397|2025-04-21|M00521|1988-11-14|112233"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16322","name":"Heidelberg Materials Northeast LLC"},"object":{"type":"mine","id":"3000070","name":"CEMENTON QUARRY"},"validFrom":"2025-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|L16322|2025-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"operator","id":"L16322","name":"Heidelberg Materials Northeast LLC"},"validFrom":"2025-05-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3000070","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|L16322|2025-05-01|M00004|2007-08-23|100836"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"operator","id":"L16322","name":"Heidelberg Materials Northeast LLC"},"validFrom":"2025-05-01","validTo":"2007-08-22","current":false,"derived":true,"evidenceMineId":"3000070","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3000070|L16322|2025-05-01|M00521|1988-11-14|112234"}}],"coverage":{"historyRecords":8,"edgeCount":19,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3000070","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"}}