{"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":"4609316","name":"K-2 Plant"},"operator":{"type":"operator","id":"0095328","name":"Nufac Mining Company Inc"},"controller":{"type":"controller","id":"0171761","name":"James C  Justice III"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"mine","id":"4609316","name":"K-2 Plant"},"validFrom":"1950-01-01","validTo":"2009-05-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|C04355|1950-01-01|2009-05-06"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"mine","id":"4609316","name":"K-2 Plant"},"validFrom":"2007-08-20","validTo":"2009-05-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|C04355|2007-08-20|2009-05-06"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"mine","id":"4609316","name":"K-2 Plant"},"validFrom":"2008-09-24","validTo":"2009-05-06","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|C04355|2008-09-24|2009-05-06"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0083344","name":"M & P Services, Inc."},"object":{"type":"mine","id":"4609316","name":"K-2 Plant"},"validFrom":"2008-11-03","validTo":"2009-05-07","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0083344|2008-11-03|2009-05-07"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"operator","id":"0083344","name":"M & P Services, Inc."},"validFrom":"2008-11-03","validTo":"2009-05-06","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0083344|2008-11-03|C04355|2007-08-20|65547"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0085759","name":"Mechel Oao"},"object":{"type":"mine","id":"4609316","name":"K-2 Plant"},"validFrom":"2009-05-07","validTo":"2015-02-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0085759|2009-05-07|2015-02-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0085759","name":"Mechel Oao"},"object":{"type":"operator","id":"0083344","name":"M & P Services, Inc."},"validFrom":"2009-05-07","validTo":"2009-05-07","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0083344|2008-11-03|0085759|2009-05-07|13751"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P02030","name":"Bluestone Coal Corporation"},"object":{"type":"mine","id":"4609316","name":"K-2 Plant"},"validFrom":"2009-05-08","validTo":"2010-07-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|P02030|2009-05-08|2010-07-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0085759","name":"Mechel Oao"},"object":{"type":"operator","id":"P02030","name":"Bluestone Coal Corporation"},"validFrom":"2009-05-08","validTo":"2010-07-31","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|P02030|2009-05-08|0085759|2009-05-07|13752"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"operator","id":"P02030","name":"Bluestone Coal Corporation"},"validFrom":"2009-05-08","validTo":"2009-05-06","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|P02030|2009-05-08|C04355|1950-01-01|65456"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0083344","name":"M&P Services, Inc."},"object":{"type":"mine","id":"4609316","name":"K-2 Plant"},"validFrom":"2010-08-01","validTo":"2010-10-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0083344|2010-08-01|2010-10-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0085759","name":"Mechel Oao"},"object":{"type":"operator","id":"0083344","name":"M&P Services, Inc."},"validFrom":"2010-08-01","validTo":"2010-10-24","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0083344|2010-08-01|0085759|2009-05-07|13753"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"operator","id":"0083344","name":"M&P Services, Inc."},"validFrom":"2010-08-01","validTo":"2009-05-06","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0083344|2010-08-01|C04355|2007-08-20|65548"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0095328","name":"Nufac Mining Company Inc"},"object":{"type":"mine","id":"4609316","name":"K-2 Plant"},"validFrom":"2010-10-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0095328|2010-10-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0085759","name":"Mechel Oao"},"object":{"type":"operator","id":"0095328","name":"Nufac Mining Company Inc"},"validFrom":"2010-10-25","validTo":"2015-02-11","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0095328|2010-10-25|0085759|2009-05-07|13754"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"operator","id":"0095328","name":"Nufac Mining Company Inc"},"validFrom":"2010-10-25","validTo":"2009-05-06","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0095328|2010-10-25|C04355|2008-09-24|65593"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"mine","id":"4609316","name":"K-2 Plant"},"validFrom":"2015-02-12","validTo":"2017-05-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|C04355|2015-02-12|2017-05-22"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"operator","id":"0095328","name":"Nufac Mining Company Inc"},"validFrom":"2015-02-12","validTo":"2017-05-22","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0095328|2010-10-25|C04355|2015-02-12|65681"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"mine","id":"4609316","name":"K-2 Plant"},"validFrom":"2015-02-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|C04355|2015-02-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"operator","id":"0083344","name":"M & P Services, Inc."},"validFrom":"2015-02-12","validTo":"2009-05-07","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0083344|2008-11-03|C04355|2015-02-12|65720"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"operator","id":"P02030","name":"Bluestone Coal Corporation"},"validFrom":"2015-02-12","validTo":"2010-07-31","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|P02030|2009-05-08|C04355|2015-02-12|65721"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C04355","name":"James C  Justice II et al"},"object":{"type":"operator","id":"0083344","name":"M&P Services, Inc."},"validFrom":"2015-02-12","validTo":"2010-10-24","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0083344|2010-08-01|C04355|2015-02-12|65722"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0091855","name":"James C  Justice lll et al"},"object":{"type":"mine","id":"4609316","name":"K-2 Plant"},"validFrom":"2017-05-23","validTo":"2022-08-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0091855|2017-05-23|2022-08-23"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0091855","name":"James C  Justice lll et al"},"object":{"type":"operator","id":"0095328","name":"Nufac Mining Company Inc"},"validFrom":"2017-05-23","validTo":"2022-08-23","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0095328|2010-10-25|0091855|2017-05-23|15006"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0091855","name":"Jillean L  Justice et al"},"object":{"type":"operator","id":"0095328","name":"Nufac Mining Company Inc"},"validFrom":"2017-05-23","validTo":"2022-08-23","current":false,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0095328|2010-10-25|0091855|2017-05-23|15007"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0171761","name":"James C  Justice III"},"object":{"type":"mine","id":"4609316","name":"K-2 Plant"},"validFrom":"2022-08-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0171761|2022-08-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0171761","name":"James C  Justice III"},"object":{"type":"operator","id":"0095328","name":"Nufac Mining Company Inc"},"validFrom":"2022-08-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"4609316","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4609316|0095328|2010-10-25|0171761|2022-08-24|36458"}}],"coverage":{"historyRecords":15,"edgeCount":27,"intervalAnomalies":6,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4609316","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"}}