{"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":"1519357","name":"No. 2"},"operator":{"type":"operator","id":"0119855","name":"Black Pearl Mining, Inc"},"controller":{"type":"controller","id":"0101867","name":"Ricky T  Lucas"},"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":"1519357","name":"No. 2"},"validFrom":"1988-04-26","validTo":"2015-09-20","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|C00286|1988-04-26|2015-09-20"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0072231","name":"Dennis  Daniels  et al"},"object":{"type":"mine","id":"1519357","name":"No. 2"},"validFrom":"2007-12-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|0072231|2007-12-18|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P19736","name":"Clintwood Elkhorn Mining Inc"},"object":{"type":"mine","id":"1519357","name":"No. 2"},"validFrom":"2008-11-26","validTo":"2009-01-05","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|P19736|2008-11-26|2009-01-05"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C00286","name":"TECO Energy Inc"},"object":{"type":"operator","id":"P19736","name":"Clintwood Elkhorn Mining Inc"},"validFrom":"2008-11-26","validTo":"2009-01-05","current":false,"derived":true,"evidenceMineId":"1519357","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|P19736|2008-11-26|C00286|1988-04-26|45794"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0085584","name":"Allen Mining LLC"},"object":{"type":"mine","id":"1519357","name":"No. 2"},"validFrom":"2009-01-06","validTo":"2009-12-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|0085584|2009-01-06|2009-12-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0072231","name":"Dennis  Daniels  et al"},"object":{"type":"operator","id":"0085584","name":"Allen Mining LLC"},"validFrom":"2009-01-06","validTo":"2009-12-15","current":false,"derived":true,"evidenceMineId":"1519357","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|0085584|2009-01-06|0072231|2007-12-18|11162"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0072231","name":"John (Michael)  Fannin  et al"},"object":{"type":"operator","id":"0085584","name":"Allen Mining LLC"},"validFrom":"2009-01-06","validTo":"2009-12-15","current":false,"derived":true,"evidenceMineId":"1519357","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|0085584|2009-01-06|0072231|2007-12-18|11163"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0106445","name":"Superior Mining LLC"},"object":{"type":"mine","id":"1519357","name":"No. 2"},"validFrom":"2009-12-16","validTo":"2011-12-08","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|0106445|2009-12-16|2011-12-08"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0072231","name":"John (Michael)  Fannin  et al"},"object":{"type":"mine","id":"1519357","name":"No. 2"},"validFrom":"2009-12-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|0072231|2009-12-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0072231","name":"John (Michael)  Fannin  et al"},"object":{"type":"operator","id":"0106445","name":"Superior Mining LLC"},"validFrom":"2009-12-16","validTo":"2011-12-08","current":false,"derived":true,"evidenceMineId":"1519357","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|0106445|2009-12-16|0072231|2009-12-16|11166"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0072231","name":"Dennis  Daniels  et al"},"object":{"type":"operator","id":"0106445","name":"Superior Mining LLC"},"validFrom":"2009-12-16","validTo":"2011-12-08","current":false,"derived":true,"evidenceMineId":"1519357","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|0106445|2009-12-16|0072231|2009-12-16|11167"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0101867","name":"Ricky T  Lucas"},"object":{"type":"mine","id":"1519357","name":"No. 2"},"validFrom":"2011-10-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|0101867|2011-10-26|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0119855","name":"Black Pearl Mining, Inc"},"object":{"type":"mine","id":"1519357","name":"No. 2"},"validFrom":"2011-12-09","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|0119855|2011-12-09|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0101867","name":"Ricky T  Lucas"},"object":{"type":"operator","id":"0119855","name":"Black Pearl Mining, Inc"},"validFrom":"2011-12-09","validTo":null,"current":true,"derived":true,"evidenceMineId":"1519357","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|0119855|2011-12-09|0101867|2011-10-26|17392"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C11194","name":"James H  Booth et al"},"object":{"type":"mine","id":"1519357","name":"No. 2"},"validFrom":"2015-09-21","validTo":"2019-06-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|C11194|2015-09-21|2019-06-15"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C11194","name":"James H  Booth et al"},"object":{"type":"operator","id":"P19736","name":"Clintwood Elkhorn Mining Inc"},"validFrom":"2015-09-21","validTo":"2009-01-05","current":false,"derived":true,"evidenceMineId":"1519357","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|P19736|2008-11-26|C11194|2015-09-21|84057"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0149203","name":"J Mark  Campbell"},"object":{"type":"mine","id":"1519357","name":"No. 2"},"validFrom":"2019-06-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|0149203|2019-06-16|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0149203","name":"J Mark  Campbell"},"object":{"type":"operator","id":"P19736","name":"Clintwood Elkhorn Mining Inc"},"validFrom":"2019-06-16","validTo":"2009-01-05","current":false,"derived":true,"evidenceMineId":"1519357","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1519357|P19736|2008-11-26|0149203|2019-06-16|30614"}}],"coverage":{"historyRecords":8,"edgeCount":18,"intervalAnomalies":2,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1519357","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"}}