{"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":"2026-10-17T05:35:58.500035+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":"1516931","name":"No 1"},"operator":{"type":"operator","id":"P24709","name":"Black Energy Coal Inc"},"controller":{"type":"controller","id":"C16092","name":"Kenny  Fleming; Robert B  Hughes"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00126","name":"Biliter Marvin Jr"},"object":{"type":"mine","id":"1516931","name":"No 1"},"validFrom":"1981-11-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|C00126|1981-11-30|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00177","name":"Kendrick Lawrence"},"object":{"type":"mine","id":"1516931","name":"No 1"},"validFrom":"1988-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|C00177|1988-03-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P12630","name":"M & Mb Coal Company"},"object":{"type":"mine","id":"1516931","name":"No 1"},"validFrom":"1990-08-01","validTo":"1992-11-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|P12630|1990-08-01|1992-11-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00126","name":"Biliter Marvin Jr"},"object":{"type":"operator","id":"P12630","name":"M & Mb Coal Company"},"validFrom":"1990-08-01","validTo":"1992-11-04","current":false,"derived":true,"evidenceMineId":"1516931","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|P12630|1990-08-01|C00126|1981-11-30|44394"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19403","name":"Nick'S Coal Company Inc"},"object":{"type":"mine","id":"1516931","name":"No 1"},"validFrom":"1992-11-05","validTo":"1996-10-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|P19403|1992-11-05|1996-10-08"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00177","name":"Kendrick Lawrence"},"object":{"type":"operator","id":"P19403","name":"Nick'S Coal Company Inc"},"validFrom":"1992-11-05","validTo":"1996-10-08","current":false,"derived":true,"evidenceMineId":"1516931","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|P19403|1992-11-05|C00177|1988-03-01|44725"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23587","name":"Miracle Ridge Inc"},"object":{"type":"mine","id":"1516931","name":"No 1"},"validFrom":"1996-10-09","validTo":"1998-08-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|P23587|1996-10-09|1998-08-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11556","name":"Clyde  Boyd"},"object":{"type":"mine","id":"1516931","name":"No 1"},"validFrom":"1996-10-09","validTo":"1998-08-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|C11556|1996-10-09|1998-08-18"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11556","name":"Clyde  Boyd"},"object":{"type":"operator","id":"P23587","name":"Miracle Ridge Inc"},"validFrom":"1996-10-09","validTo":"1998-08-18","current":false,"derived":true,"evidenceMineId":"1516931","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|P23587|1996-10-09|C11556|1996-10-09|84891"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C08014","name":"Danny D Mead"},"object":{"type":"mine","id":"1516931","name":"No 1"},"validFrom":"1998-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|C08014|1998-08-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23997","name":"Shiner Ridge Inc"},"object":{"type":"mine","id":"1516931","name":"No 1"},"validFrom":"1998-08-19","validTo":"2001-07-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|P23997|1998-08-19|2001-07-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C08014","name":"Danny D Mead"},"object":{"type":"operator","id":"P23997","name":"Shiner Ridge Inc"},"validFrom":"1998-08-19","validTo":"2001-07-17","current":false,"derived":true,"evidenceMineId":"1516931","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|P23997|1998-08-19|C08014|1998-08-01|76195"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24709","name":"Black Energy Coal Inc"},"object":{"type":"mine","id":"1516931","name":"No 1"},"validFrom":"2001-07-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|P24709|2001-07-18|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C16092","name":"Robert B  Hughes et al"},"object":{"type":"mine","id":"1516931","name":"No 1"},"validFrom":"2001-07-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|C16092|2001-07-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C16092","name":"Robert B  Hughes et al"},"object":{"type":"operator","id":"P24709","name":"Black Energy Coal Inc"},"validFrom":"2001-07-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"1516931","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|P24709|2001-07-18|C16092|2001-07-18|98394"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C16092","name":"Kenny  Fleming  et al"},"object":{"type":"operator","id":"P24709","name":"Black Energy Coal Inc"},"validFrom":"2001-07-18","validTo":null,"current":true,"derived":true,"evidenceMineId":"1516931","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1516931|P24709|2001-07-18|C16092|2001-07-18|98395"}}],"coverage":{"historyRecords":6,"edgeCount":16,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1516931","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}