{"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":"3602713","name":"Frenchtown & Beaver"},"operator":{"type":"operator","id":"P23283","name":"Power Operating Company Inc"},"controller":{"type":"controller","id":"C15331","name":"Jem Holdings Inc"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P04414","name":"Power Contracting Company Inc"},"object":{"type":"mine","id":"3602713","name":"Frenchtown & Beaver"},"validFrom":"1950-01-01","validTo":"1978-05-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3602713|P04414|1950-01-01|1978-05-09"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C03635","name":"Beatrice H  Avery"},"object":{"type":"mine","id":"3602713","name":"Frenchtown & Beaver"},"validFrom":"1950-01-01","validTo":"1978-05-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3602713|C03635|1950-01-01|1978-05-09"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C03635","name":"Beatrice H  Avery"},"object":{"type":"operator","id":"P04414","name":"Power Contracting Company Inc"},"validFrom":"1950-01-01","validTo":"1978-05-09","current":false,"derived":true,"evidenceMineId":"3602713","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3602713|P04414|1950-01-01|C03635|1950-01-01|63433"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P08086","name":"Power Operating Company Inc"},"object":{"type":"mine","id":"3602713","name":"Frenchtown & Beaver"},"validFrom":"1978-05-10","validTo":"1995-10-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3602713|P08086|1978-05-10|1995-10-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06514","name":"Ryan Group Ltd"},"object":{"type":"mine","id":"3602713","name":"Frenchtown & Beaver"},"validFrom":"1978-05-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3602713|C06514|1978-05-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06514","name":"Ryan Group Ltd"},"object":{"type":"operator","id":"P08086","name":"Power Operating Company Inc"},"validFrom":"1978-05-10","validTo":"1995-10-25","current":false,"derived":true,"evidenceMineId":"3602713","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3602713|P08086|1978-05-10|C06514|1978-05-10|72023"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23283","name":"Power Operating Company Inc"},"object":{"type":"mine","id":"3602713","name":"Frenchtown & Beaver"},"validFrom":"1995-10-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3602713|P23283|1995-10-26|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15331","name":"Jem Holdings Inc"},"object":{"type":"mine","id":"3602713","name":"Frenchtown & Beaver"},"validFrom":"1995-10-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3602713|C15331|1995-10-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15331","name":"Jem Holdings Inc"},"object":{"type":"operator","id":"P23283","name":"Power Operating Company Inc"},"validFrom":"1995-10-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"3602713","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3602713|P23283|1995-10-26|C15331|1995-10-26|95307"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3602713","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"}}