{"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":"1519681","name":"01"},"operator":{"type":"operator","id":"0128615","name":"Adams & Burke Contractors & Developers, LLC."},"controller":{"type":"controller","id":"0109385","name":"Tim  Burke; Terry L  Adams"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"0102445","name":"Lloyd K  Damron"},"object":{"type":"mine","id":"1519681","name":"01"},"validFrom":"2011-12-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519681|0102445|2011-12-06|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0120468","name":"MJK Mining, Inc"},"object":{"type":"mine","id":"1519681","name":"01"},"validFrom":"2012-09-19","validTo":"2013-06-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519681|0120468|2012-09-19|2013-06-25"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0102445","name":"Lloyd K  Damron"},"object":{"type":"operator","id":"0120468","name":"MJK Mining, Inc"},"validFrom":"2012-09-19","validTo":"2013-06-25","current":false,"derived":true,"evidenceMineId":"1519681","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519681|0120468|2012-09-19|0102445|2011-12-06|17543"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0128615","name":"Adams & Burke Contractors & Developers, LLC."},"object":{"type":"mine","id":"1519681","name":"01"},"validFrom":"2013-06-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519681|0128615|2013-06-26|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0109385","name":"Terry L  Adams et al"},"object":{"type":"mine","id":"1519681","name":"01"},"validFrom":"2013-06-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519681|0109385|2013-06-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0109385","name":"Terry L  Adams et al"},"object":{"type":"operator","id":"0128615","name":"Adams & Burke Contractors & Developers, LLC."},"validFrom":"2013-06-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519681","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519681|0128615|2013-06-26|0109385|2013-06-26|19790"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0109385","name":"Tim  Burke et al"},"object":{"type":"operator","id":"0128615","name":"Adams & Burke Contractors & Developers, LLC."},"validFrom":"2013-06-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519681","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519681|0128615|2013-06-26|0109385|2013-06-26|19791"}}],"coverage":{"historyRecords":3,"edgeCount":7,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1519681","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"}}