{"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":"1519242","name":"UG #1"},"operator":{"type":"operator","id":"0181655","name":"Tahiti Energy, Inc."},"controller":{"type":"controller","id":"0069491","name":"Jody Dale Puckett"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13591","name":"Henry  Chaney Jr"},"object":{"type":"mine","id":"1519242","name":"UG #1"},"validFrom":"1976-04-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|C13591|1976-04-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P10978","name":"Cheyenne Elkhorn Coal Co Inc"},"object":{"type":"mine","id":"1519242","name":"UG #1"},"validFrom":"2008-05-30","validTo":"2010-10-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|P10978|2008-05-30|2010-10-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13591","name":"Henry  Chaney Jr"},"object":{"type":"operator","id":"P10978","name":"Cheyenne Elkhorn Coal Co Inc"},"validFrom":"2008-05-30","validTo":"2010-10-13","current":false,"derived":true,"evidenceMineId":"1519242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|P10978|2008-05-30|C13591|1976-04-01|90588"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0114166","name":"Redhawk Mining, LLC"},"object":{"type":"mine","id":"1519242","name":"UG #1"},"validFrom":"2010-10-14","validTo":"2024-07-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|0114166|2010-10-14|2024-07-07"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13154","name":"Thomas A  Potter et al"},"object":{"type":"mine","id":"1519242","name":"UG #1"},"validFrom":"2010-10-14","validTo":"2013-06-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|C13154|2010-10-14|2013-06-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13154","name":"Thomas A  Potter et al"},"object":{"type":"operator","id":"0114166","name":"Redhawk Mining, LLC"},"validFrom":"2010-10-14","validTo":"2013-06-30","current":false,"derived":true,"evidenceMineId":"1519242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|0114166|2010-10-14|C13154|2010-10-14|88823"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13154","name":"John M  Potter et al"},"object":{"type":"operator","id":"0114166","name":"Redhawk Mining, LLC"},"validFrom":"2010-10-14","validTo":"2013-06-30","current":false,"derived":true,"evidenceMineId":"1519242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|0114166|2010-10-14|C13154|2010-10-14|88824"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0109461","name":"Blackhawk Mining LLC"},"object":{"type":"mine","id":"1519242","name":"UG #1"},"validFrom":"2013-07-01","validTo":"2020-05-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|0109461|2013-07-01|2020-05-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0109461","name":"Blackhawk Mining LLC"},"object":{"type":"operator","id":"0114166","name":"Redhawk Mining, LLC"},"validFrom":"2013-07-01","validTo":"2020-05-31","current":false,"derived":true,"evidenceMineId":"1519242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|0114166|2010-10-14|0109461|2013-07-01|19822"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0158381","name":"Sev.en Global Investments a.s."},"object":{"type":"mine","id":"1519242","name":"UG #1"},"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":"1519242|0158381|2020-06-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0158381","name":"Sev.en Global Investments a.s."},"object":{"type":"operator","id":"0114166","name":"Redhawk Mining, LLC"},"validFrom":"2020-06-01","validTo":"2024-07-07","current":false,"derived":true,"evidenceMineId":"1519242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|0114166|2010-10-14|0158381|2020-06-01|32812"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0069491","name":"Jody Dale Puckett"},"object":{"type":"mine","id":"1519242","name":"UG #1"},"validFrom":"2022-03-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|0069491|2022-03-30|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0178221","name":"Zachary  Salyers et al"},"object":{"type":"mine","id":"1519242","name":"UG #1"},"validFrom":"2023-07-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|0178221|2023-07-10|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0190193","name":"J & S Coal, LLC"},"object":{"type":"mine","id":"1519242","name":"UG #1"},"validFrom":"2024-07-08","validTo":"2025-10-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|0190193|2024-07-08|2025-10-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0178221","name":"Zachary  Salyers et al"},"object":{"type":"operator","id":"0190193","name":"J & S Coal, LLC"},"validFrom":"2024-07-08","validTo":"2025-10-08","current":false,"derived":true,"evidenceMineId":"1519242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|0190193|2024-07-08|0178221|2023-07-10|38179"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0178221","name":"David  Jude et al"},"object":{"type":"operator","id":"0190193","name":"J & S Coal, LLC"},"validFrom":"2024-07-08","validTo":"2025-10-08","current":false,"derived":true,"evidenceMineId":"1519242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|0190193|2024-07-08|0178221|2023-07-10|38180"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0181655","name":"Tahiti Energy, Inc."},"object":{"type":"mine","id":"1519242","name":"UG #1"},"validFrom":"2025-10-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|0181655|2025-10-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0069491","name":"Jody Dale Puckett"},"object":{"type":"operator","id":"0181655","name":"Tahiti Energy, Inc."},"validFrom":"2025-10-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519242","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519242|0181655|2025-10-09|0069491|2022-03-30|9867"}}],"coverage":{"historyRecords":8,"edgeCount":18,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1519242","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"}}