{"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":"4608312","name":"Mingo No 3"},"operator":{"type":"operator","id":"0179013","name":"Reflectance Energy LLC"},"controller":{"type":"controller","id":"0170221","name":"David Michael  Jamison; Petri E Koivula"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13442","name":"International Industries Inc"},"object":{"type":"mine","id":"4608312","name":"Mingo No 3"},"validFrom":"1987-11-01","validTo":"2011-04-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|C13442|1987-11-01|2011-04-17"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19126","name":"Hampden Coal Company LLC"},"object":{"type":"mine","id":"4608312","name":"Mingo No 3"},"validFrom":"1993-06-01","validTo":"2014-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|P19126|1993-06-01|2014-08-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13442","name":"International Industries Inc"},"object":{"type":"operator","id":"P19126","name":"Hampden Coal Company LLC"},"validFrom":"1993-06-01","validTo":"2011-04-17","current":false,"derived":true,"evidenceMineId":"4608312","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|P19126|1993-06-01|C13442|1987-11-01|89995"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13562","name":"James River Coal Company"},"object":{"type":"mine","id":"4608312","name":"Mingo No 3"},"validFrom":"2011-04-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|C13562|2011-04-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13562","name":"James River Coal Company"},"object":{"type":"operator","id":"P19126","name":"Hampden Coal Company LLC"},"validFrom":"2011-04-18","validTo":"2014-08-31","current":false,"derived":true,"evidenceMineId":"4608312","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|P19126|1993-06-01|C13562|2011-04-18|90474"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0135215","name":"Hampden Coal Company LLC"},"object":{"type":"mine","id":"4608312","name":"Mingo No 3"},"validFrom":"2014-09-01","validTo":"2023-05-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|0135215|2014-09-01|2023-05-02"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0109461","name":"Blackhawk Mining LLC"},"object":{"type":"mine","id":"4608312","name":"Mingo No 3"},"validFrom":"2014-09-01","validTo":"2020-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|0109461|2014-09-01|2020-05-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0109461","name":"Blackhawk Mining LLC"},"object":{"type":"operator","id":"0135215","name":"Hampden Coal Company LLC"},"validFrom":"2014-09-01","validTo":"2020-05-31","current":false,"derived":true,"evidenceMineId":"4608312","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|0135215|2014-09-01|0109461|2014-09-01|19859"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0158381","name":"Sev.en Global Investments a.s."},"object":{"type":"mine","id":"4608312","name":"Mingo No 3"},"validFrom":"2020-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|0158381|2020-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0158381","name":"Sev.en Global Investments a.s."},"object":{"type":"operator","id":"0135215","name":"Hampden Coal Company LLC"},"validFrom":"2020-06-01","validTo":"2023-05-02","current":false,"derived":true,"evidenceMineId":"4608312","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|0135215|2014-09-01|0158381|2020-06-01|32845"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15876","name":"Scott  Kiscaden"},"object":{"type":"mine","id":"4608312","name":"Mingo No 3"},"validFrom":"2021-08-31","validTo":"2025-10-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|C15876|2021-08-31|2025-10-02"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0179013","name":"Reflectance Energy LLC"},"object":{"type":"mine","id":"4608312","name":"Mingo No 3"},"validFrom":"2023-05-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|0179013|2023-05-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15876","name":"Scott  Kiscaden"},"object":{"type":"operator","id":"0179013","name":"Reflectance Energy LLC"},"validFrom":"2023-05-03","validTo":"2025-10-02","current":false,"derived":true,"evidenceMineId":"4608312","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|0179013|2023-05-03|C15876|2021-08-31|97375"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0170221","name":"Petri E Koivula et al"},"object":{"type":"mine","id":"4608312","name":"Mingo No 3"},"validFrom":"2025-10-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|0170221|2025-10-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0170221","name":"Petri E Koivula et al"},"object":{"type":"operator","id":"0179013","name":"Reflectance Energy LLC"},"validFrom":"2025-10-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608312","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|0179013|2023-05-03|0170221|2025-10-03|36065"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0170221","name":"David Michael  Jamison et al"},"object":{"type":"operator","id":"0179013","name":"Reflectance Energy LLC"},"validFrom":"2025-10-03","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608312","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608312|0179013|2023-05-03|0170221|2025-10-03|36066"}}],"coverage":{"historyRecords":7,"edgeCount":16,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4608312","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"}}