{"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":"3601714","name":"Beaver Brook Mine"},"operator":{"type":"operator","id":"0111445","name":"Joe Petrole Coal Sales LLC"},"controller":{"type":"controller","id":"0088073","name":"Lawrence A  Petrole"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00105","name":"Beaver Brook Coal Company"},"object":{"type":"mine","id":"3601714","name":"Beaver Brook Mine"},"validFrom":"1950-01-01","validTo":"2006-10-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601714|P00105|1950-01-01|2006-10-17"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00057","name":"Huss George & William"},"object":{"type":"mine","id":"3601714","name":"Beaver Brook Mine"},"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":"3601714|C00057|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00057","name":"Huss George & William"},"object":{"type":"operator","id":"P00105","name":"Beaver Brook Coal Company"},"validFrom":"1950-01-01","validTo":"2006-10-17","current":false,"derived":true,"evidenceMineId":"3601714","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601714|P00105|1950-01-01|C00057|1950-01-01|43917"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15339","name":"Joseph R  Petrole Sr"},"object":{"type":"mine","id":"3601714","name":"Beaver Brook Mine"},"validFrom":"1997-08-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601714|C15339|1997-08-05|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23818","name":"Joe Petrole Coal Sales"},"object":{"type":"mine","id":"3601714","name":"Beaver Brook Mine"},"validFrom":"2006-10-18","validTo":"2009-06-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601714|P23818|2006-10-18|2009-06-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15339","name":"Joseph R  Petrole Sr"},"object":{"type":"operator","id":"P23818","name":"Joe Petrole Coal Sales"},"validFrom":"2006-10-18","validTo":"2009-06-04","current":false,"derived":true,"evidenceMineId":"3601714","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601714|P23818|2006-10-18|C15339|1997-08-05|95348"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0104125","name":"Joe Petrole Coal Sales"},"object":{"type":"mine","id":"3601714","name":"Beaver Brook Mine"},"validFrom":"2009-06-05","validTo":"2010-06-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601714|0104125|2009-06-05|2010-06-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0088073","name":"Lawrence A  Petrole"},"object":{"type":"mine","id":"3601714","name":"Beaver Brook Mine"},"validFrom":"2009-06-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601714|0088073|2009-06-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0088073","name":"Lawrence A  Petrole"},"object":{"type":"operator","id":"0104125","name":"Joe Petrole Coal Sales"},"validFrom":"2009-06-05","validTo":"2010-06-28","current":false,"derived":true,"evidenceMineId":"3601714","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601714|0104125|2009-06-05|0088073|2009-06-05|14158"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0111445","name":"Joe Petrole Coal Sales LLC"},"object":{"type":"mine","id":"3601714","name":"Beaver Brook Mine"},"validFrom":"2010-06-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601714|0111445|2010-06-29|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0088073","name":"Lawrence A  Petrole"},"object":{"type":"mine","id":"3601714","name":"Beaver Brook Mine"},"validFrom":"2010-06-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601714|0088073|2010-06-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0088073","name":"Lawrence A  Petrole"},"object":{"type":"operator","id":"0111445","name":"Joe Petrole Coal Sales LLC"},"validFrom":"2010-06-29","validTo":null,"current":true,"derived":true,"evidenceMineId":"3601714","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3601714|0111445|2010-06-29|0088073|2010-06-29|14159"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3601714","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"}}