{"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":"4503723","name":"Portable 3"},"operator":{"type":"operator","id":"0148134","name":"Tunnel Hill Granite"},"controller":{"type":"controller","id":"0129901","name":"Griffin G Freels; Chauncy V Freels; Colton G Freels"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05218","name":"Donald B  Coleman"},"object":{"type":"mine","id":"4503723","name":"Portable 3"},"validFrom":"1983-06-28","validTo":"2013-08-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503723|M05218|1983-06-28|2013-08-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0110461","name":"Raye  Evans et al"},"object":{"type":"mine","id":"4503723","name":"Portable 3"},"validFrom":"2013-08-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503723|0110461|2013-08-30|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06556","name":"Tunnel Hill Granite, L.L.C."},"object":{"type":"mine","id":"4503723","name":"Portable 3"},"validFrom":"2014-03-11","validTo":"2016-11-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503723|L06556|2014-03-11|2016-11-01"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0110461","name":"Raye  Evans et al"},"object":{"type":"operator","id":"L06556","name":"Tunnel Hill Granite, L.L.C."},"validFrom":"2014-03-11","validTo":"2016-11-01","current":false,"derived":true,"evidenceMineId":"4503723","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503723|L06556|2014-03-11|0110461|2013-08-30|20221"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0110461","name":"Kristin  Ayling et al"},"object":{"type":"operator","id":"L06556","name":"Tunnel Hill Granite, L.L.C."},"validFrom":"2014-03-11","validTo":"2016-11-01","current":false,"derived":true,"evidenceMineId":"4503723","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503723|L06556|2014-03-11|0110461|2013-08-30|20222"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05218","name":"Donald B  Coleman"},"object":{"type":"operator","id":"L06556","name":"Tunnel Hill Granite, L.L.C."},"validFrom":"2014-03-11","validTo":"2013-08-29","current":false,"derived":true,"evidenceMineId":"4503723","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503723|L06556|2014-03-11|M05218|1983-06-28|133972"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0148134","name":"Tunnel Hill Granite"},"object":{"type":"mine","id":"4503723","name":"Portable 3"},"validFrom":"2016-11-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503723|0148134|2016-11-02|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0129901","name":"Chauncy V Freels et al"},"object":{"type":"mine","id":"4503723","name":"Portable 3"},"validFrom":"2016-11-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503723|0129901|2016-11-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0129901","name":"Chauncy V Freels et al"},"object":{"type":"operator","id":"0148134","name":"Tunnel Hill Granite"},"validFrom":"2016-11-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"4503723","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503723|0148134|2016-11-02|0129901|2016-11-02|26041"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0129901","name":"Griffin G Freels et al"},"object":{"type":"operator","id":"0148134","name":"Tunnel Hill Granite"},"validFrom":"2016-11-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"4503723","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503723|0148134|2016-11-02|0129901|2016-11-02|26042"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0129901","name":"Colton G Freels et al"},"object":{"type":"operator","id":"0148134","name":"Tunnel Hill Granite"},"validFrom":"2016-11-02","validTo":null,"current":true,"derived":true,"evidenceMineId":"4503723","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4503723|0148134|2016-11-02|0129901|2016-11-02|26043"}}],"coverage":{"historyRecords":6,"edgeCount":11,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4503723","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"}}