{"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":"4407246","name":"Strip #24"},"operator":{"type":"operator","id":"P21141","name":"A & G Coal Corporation"},"controller":{"type":"controller","id":"0171761","name":"James C  Justice III"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01926","name":"Jerry W  Wharton"},"object":{"type":"mine","id":"4407246","name":"Strip #24"},"validFrom":"1990-09-01","validTo":"2009-04-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407246|C01926|1990-09-01|2009-04-29"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21141","name":"A & G Coal Corporation"},"object":{"type":"mine","id":"4407246","name":"Strip #24"},"validFrom":"2008-11-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407246|P21141|2008-11-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01926","name":"Jerry W  Wharton"},"object":{"type":"operator","id":"P21141","name":"A & G Coal Corporation"},"validFrom":"2008-11-10","validTo":"2009-04-29","current":false,"derived":true,"evidenceMineId":"4407246","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407246|P21141|2008-11-10|C01926|1990-09-01|56853"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"mine","id":"4407246","name":"Strip #24"},"validFrom":"2009-04-30","validTo":"2017-03-26","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407246|C04355|2009-04-30|2017-03-26"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"operator","id":"P21141","name":"A & G Coal Corporation"},"validFrom":"2009-04-30","validTo":"2017-03-26","current":false,"derived":true,"evidenceMineId":"4407246","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407246|P21141|2008-11-10|C04355|2009-04-30|65629"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0091855","name":"Jillean L  Justice et al"},"object":{"type":"mine","id":"4407246","name":"Strip #24"},"validFrom":"2017-03-27","validTo":"2022-10-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407246|0091855|2017-03-27|2022-10-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0091855","name":"Jillean L  Justice et al"},"object":{"type":"operator","id":"P21141","name":"A & G Coal Corporation"},"validFrom":"2017-03-27","validTo":"2022-10-02","current":false,"derived":true,"evidenceMineId":"4407246","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407246|P21141|2008-11-10|0091855|2017-03-27|14860"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0091855","name":"James C  Justice lll et al"},"object":{"type":"operator","id":"P21141","name":"A & G Coal Corporation"},"validFrom":"2017-03-27","validTo":"2022-10-02","current":false,"derived":true,"evidenceMineId":"4407246","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407246|P21141|2008-11-10|0091855|2017-03-27|14861"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0171761","name":"James C  Justice III"},"object":{"type":"mine","id":"4407246","name":"Strip #24"},"validFrom":"2022-10-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407246|0171761|2022-10-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0171761","name":"James C  Justice III"},"object":{"type":"operator","id":"P21141","name":"A & G Coal Corporation"},"validFrom":"2022-10-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"4407246","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4407246|P21141|2008-11-10|0171761|2022-10-03|36518"}}],"coverage":{"historyRecords":5,"edgeCount":10,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4407246","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"}}