{"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":"1518359","name":"Rebco Coal #2"},"operator":{"type":"operator","id":"P24283","name":"Rebco Coal, Inc."},"controller":{"type":"controller","id":"C15866","name":"Roy C  Wagner"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14616","name":"Charles  Collins"},"object":{"type":"mine","id":"1518359","name":"Rebco Coal #2"},"validFrom":"1992-02-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|C14616|1992-02-05|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C14115","name":"John H  Parton"},"object":{"type":"mine","id":"1518359","name":"Rebco Coal #2"},"validFrom":"1997-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|C14115|1997-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15866","name":"Roy C  Wagner"},"object":{"type":"mine","id":"1518359","name":"Rebco Coal #2"},"validFrom":"1999-10-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|C15866|1999-10-18|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15997","name":"Donnie  Wagers  et al"},"object":{"type":"mine","id":"1518359","name":"Rebco Coal #2"},"validFrom":"2001-01-16","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|C15997|2001-01-16|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C16004","name":"Marnat Energy Inc et al"},"object":{"type":"mine","id":"1518359","name":"Rebco Coal #2"},"validFrom":"2001-01-16","validTo":"2008-04-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|C16004|2001-01-16|2008-04-22"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24546","name":"Chas Coal Llc"},"object":{"type":"mine","id":"1518359","name":"Rebco Coal #2"},"validFrom":"2001-04-01","validTo":"2001-06-13","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|P24546|2001-04-01|2001-06-13"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C16004","name":"Marnat Energy Inc et al"},"object":{"type":"operator","id":"P24546","name":"Chas Coal Llc"},"validFrom":"2001-04-01","validTo":"2001-06-13","current":false,"derived":true,"evidenceMineId":"1518359","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|P24546|2001-04-01|C16004|2001-01-16|97969"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23601","name":"Parton Brothers Contracting Inc"},"object":{"type":"mine","id":"1518359","name":"Rebco Coal #2"},"validFrom":"2001-06-14","validTo":"2002-01-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|P23601|2001-06-14|2002-01-27"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14115","name":"John H  Parton"},"object":{"type":"operator","id":"P23601","name":"Parton Brothers Contracting Inc"},"validFrom":"2001-06-14","validTo":"2002-01-27","current":false,"derived":true,"evidenceMineId":"1518359","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|P23601|2001-06-14|C14115|1997-01-01|92054"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24531","name":"Free Dome Coal Inc"},"object":{"type":"mine","id":"1518359","name":"Rebco Coal #2"},"validFrom":"2002-01-28","validTo":"2002-05-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|P24531|2002-01-28|2002-05-19"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15997","name":"Donnie  Wagers  et al"},"object":{"type":"operator","id":"P24531","name":"Free Dome Coal Inc"},"validFrom":"2002-01-28","validTo":"2002-05-19","current":false,"derived":true,"evidenceMineId":"1518359","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|P24531|2002-01-28|C15997|2001-01-16|97941"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15997","name":"Jimmy  Root  et al"},"object":{"type":"operator","id":"P24531","name":"Free Dome Coal Inc"},"validFrom":"2002-01-28","validTo":"2002-05-19","current":false,"derived":true,"evidenceMineId":"1518359","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|P24531|2002-01-28|C15997|2001-01-16|97942"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P21889","name":"Calvary Coal Co. Inc."},"object":{"type":"mine","id":"1518359","name":"Rebco Coal #2"},"validFrom":"2002-05-20","validTo":"2002-12-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|P21889|2002-05-20|2002-12-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C14616","name":"Charles  Collins"},"object":{"type":"operator","id":"P21889","name":"Calvary Coal Co. Inc."},"validFrom":"2002-05-20","validTo":"2002-12-16","current":false,"derived":true,"evidenceMineId":"1518359","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|P21889|2002-05-20|C14616|1992-02-05|93417"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24283","name":"Rebco Coal, Inc."},"object":{"type":"mine","id":"1518359","name":"Rebco Coal #2"},"validFrom":"2002-12-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|P24283|2002-12-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15866","name":"Roy C  Wagner"},"object":{"type":"operator","id":"P24283","name":"Rebco Coal, Inc."},"validFrom":"2002-12-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"1518359","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|P24283|2002-12-17|C15866|1999-10-18|97348"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0047609","name":"Broe Companies Inc"},"object":{"type":"mine","id":"1518359","name":"Rebco Coal #2"},"validFrom":"2008-04-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|0047609|2008-04-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0047609","name":"Broe Companies Inc"},"object":{"type":"operator","id":"P24546","name":"Chas Coal Llc"},"validFrom":"2008-04-23","validTo":"2001-06-13","current":false,"derived":true,"evidenceMineId":"1518359","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1518359|P24546|2001-04-01|0047609|2008-04-23|5879"}}],"coverage":{"historyRecords":7,"edgeCount":18,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1518359","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"}}