{"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":"4606416","name":"Quality Magnetite LLC"},"operator":{"type":"operator","id":"0092288","name":"Ouality Magnetite LLC"},"controller":{"type":"controller","id":"0117581","name":"QMAG Investors LP"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09874","name":"Akers Supply Inc"},"object":{"type":"mine","id":"4606416","name":"Quality Magnetite LLC"},"validFrom":"1981-09-01","validTo":"2008-06-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606416|L09874|1981-09-01|2008-06-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07740","name":"Randall  Akers  et al"},"object":{"type":"mine","id":"4606416","name":"Quality Magnetite LLC"},"validFrom":"1981-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606416|M07740|1981-09-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07740","name":"Randall  Akers  et al"},"object":{"type":"operator","id":"L09874","name":"Akers Supply Inc"},"validFrom":"1981-09-01","validTo":"2008-06-18","current":false,"derived":true,"evidenceMineId":"4606416","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606416|L09874|1981-09-01|M07740|1981-09-01|141853"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07740","name":"Daniel  Akers  et al"},"object":{"type":"operator","id":"L09874","name":"Akers Supply Inc"},"validFrom":"1981-09-01","validTo":"2008-06-18","current":false,"derived":true,"evidenceMineId":"4606416","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606416|L09874|1981-09-01|M07740|1981-09-01|141854"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0092288","name":"Ouality Magnetite LLC"},"object":{"type":"mine","id":"4606416","name":"Quality Magnetite LLC"},"validFrom":"2008-06-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606416|0092288|2008-06-19|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0077457","name":"Quintana Capital Group GP Ltd et al"},"object":{"type":"mine","id":"4606416","name":"Quality Magnetite LLC"},"validFrom":"2008-06-19","validTo":"2015-03-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606416|0077457|2008-06-19|2015-03-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0077457","name":"Quintana Capital Group GP Ltd et al"},"object":{"type":"operator","id":"0092288","name":"Ouality Magnetite LLC"},"validFrom":"2008-06-19","validTo":"2015-03-15","current":false,"derived":true,"evidenceMineId":"4606416","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606416|0092288|2008-06-19|0077457|2008-06-19|12161"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0117581","name":"QMAG Investors LP"},"object":{"type":"mine","id":"4606416","name":"Quality Magnetite LLC"},"validFrom":"2015-03-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606416|0117581|2015-03-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0117581","name":"QMAG Investors LP"},"object":{"type":"operator","id":"0092288","name":"Ouality Magnetite LLC"},"validFrom":"2015-03-16","validTo":null,"current":true,"derived":true,"evidenceMineId":"4606416","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4606416|0092288|2008-06-19|0117581|2015-03-16|22378"}}],"coverage":{"historyRecords":4,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4606416","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"}}