{"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":"1509938","name":"Gatliff Tipple"},"operator":{"type":"operator","id":"0080224","name":"Ferroglobe USA Mining, LLC"},"controller":{"type":"controller","id":"0100987","name":"Ferroglobe PLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C00286","name":"TECO Energy Inc"},"object":{"type":"mine","id":"1509938","name":"Gatliff Tipple"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|C00286|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P17172","name":"Gatliff Coal Company Inc"},"object":{"type":"mine","id":"1509938","name":"Gatliff Tipple"},"validFrom":"1976-09-01","validTo":"2003-07-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|P17172|1976-09-01|2003-07-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00286","name":"TECO Energy Inc"},"object":{"type":"operator","id":"P17172","name":"Gatliff Coal Company Inc"},"validFrom":"1976-09-01","validTo":"2003-07-07","current":false,"derived":true,"evidenceMineId":"1509938","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|P17172|1976-09-01|C00286|1950-01-01|45752"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0051416","name":"Blue Gem Mining Inc"},"object":{"type":"mine","id":"1509938","name":"Gatliff Tipple"},"validFrom":"2003-07-08","validTo":"2006-03-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0051416|2003-07-08|2006-03-21"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0041953","name":"Carbon Partners A S"},"object":{"type":"mine","id":"1509938","name":"Gatliff Tipple"},"validFrom":"2003-07-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0041953|2003-07-08|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0041953","name":"Carbon Partners A S"},"object":{"type":"operator","id":"0051416","name":"Blue Gem Mining Inc"},"validFrom":"2003-07-08","validTo":"2006-03-21","current":false,"derived":true,"evidenceMineId":"1509938","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0051416|2003-07-08|0041953|2003-07-08|3368"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0069423","name":"Specialty Coal Processing Inc"},"object":{"type":"mine","id":"1509938","name":"Gatliff Tipple"},"validFrom":"2006-03-22","validTo":"2007-04-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0069423|2006-03-22|2007-04-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0042777","name":"Timothy L  Webb"},"object":{"type":"mine","id":"1509938","name":"Gatliff Tipple"},"validFrom":"2006-03-22","validTo":"2007-01-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0042777|2006-03-22|2007-01-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0042777","name":"Timothy L  Webb"},"object":{"type":"operator","id":"0069423","name":"Specialty Coal Processing Inc"},"validFrom":"2006-03-22","validTo":"2007-01-07","current":false,"derived":true,"evidenceMineId":"1509938","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0069423|2006-03-22|0042777|2006-03-22|4312"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0057409","name":"James  Cox et al"},"object":{"type":"mine","id":"1509938","name":"Gatliff Tipple"},"validFrom":"2007-01-08","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0057409|2007-01-08|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0057409","name":"James  Cox et al"},"object":{"type":"operator","id":"0069423","name":"Specialty Coal Processing Inc"},"validFrom":"2007-01-08","validTo":"2007-04-30","current":false,"derived":true,"evidenceMineId":"1509938","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0069423|2006-03-22|0057409|2007-01-08|7611"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0057409","name":"James  Cox et al"},"object":{"type":"mine","id":"1509938","name":"Gatliff Tipple"},"validFrom":"2007-03-30","validTo":"2009-07-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0057409|2007-03-30|2009-07-16"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0080224","name":"Ferroglobe USA Mining, LLC"},"object":{"type":"mine","id":"1509938","name":"Gatliff Tipple"},"validFrom":"2007-05-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0080224|2007-05-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0057409","name":"James  Cox et al"},"object":{"type":"operator","id":"0080224","name":"Ferroglobe USA Mining, LLC"},"validFrom":"2007-05-01","validTo":"2009-07-16","current":false,"derived":true,"evidenceMineId":"1509938","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0080224|2007-05-01|0057409|2007-03-30|7614"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0089493","name":"NCGPAsset Holdings II LP et al"},"object":{"type":"mine","id":"1509938","name":"Gatliff Tipple"},"validFrom":"2009-07-17","validTo":"2011-07-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0089493|2009-07-17|2011-07-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0089493","name":"NCGPAsset Holdings II LP et al"},"object":{"type":"operator","id":"0080224","name":"Ferroglobe USA Mining, LLC"},"validFrom":"2009-07-17","validTo":"2011-07-31","current":false,"derived":true,"evidenceMineId":"1509938","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0080224|2007-05-01|0089493|2009-07-17|14383"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0100987","name":"Ferroglobe PLC"},"object":{"type":"mine","id":"1509938","name":"Gatliff Tipple"},"validFrom":"2011-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0100987|2011-08-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0100987","name":"Ferroglobe PLC"},"object":{"type":"operator","id":"0080224","name":"Ferroglobe USA Mining, LLC"},"validFrom":"2011-08-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1509938","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1509938|0080224|2007-05-01|0100987|2011-08-01|16917"}}],"coverage":{"historyRecords":7,"edgeCount":18,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1509938","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"}}