{"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":"3608489","name":"West Spring Energy"},"operator":{"type":"operator","id":"0119790","name":"West Spring Energy, LLC"},"controller":{"type":"controller","id":"0110067","name":"Reading Anthracite Co; West Spring Slope Holdings LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23026","name":"Keystone Anthracite Company Inc"},"object":{"type":"mine","id":"3608489","name":"West Spring Energy"},"validFrom":"1994-11-01","validTo":"2011-08-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608489|P23026|1994-11-01|2011-08-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C07565","name":"Michael R  Burns"},"object":{"type":"mine","id":"3608489","name":"West Spring Energy"},"validFrom":"1994-11-01","validTo":"2011-02-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608489|C07565|1994-11-01|2011-02-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C07565","name":"Michael R  Burns"},"object":{"type":"operator","id":"P23026","name":"Keystone Anthracite Company Inc"},"validFrom":"1994-11-01","validTo":"2011-02-28","current":false,"derived":true,"evidenceMineId":"3608489","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608489|P23026|1994-11-01|C07565|1994-11-01|75056"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0099435","name":"Robert  Burns"},"object":{"type":"mine","id":"3608489","name":"West Spring Energy"},"validFrom":"2011-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608489|0099435|2011-03-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0099435","name":"Robert  Burns"},"object":{"type":"operator","id":"P23026","name":"Keystone Anthracite Company Inc"},"validFrom":"2011-03-01","validTo":"2011-08-18","current":false,"derived":true,"evidenceMineId":"3608489","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608489|P23026|1994-11-01|0099435|2011-03-01|16453"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0119790","name":"West Spring Energy, LLC"},"object":{"type":"mine","id":"3608489","name":"West Spring Energy"},"validFrom":"2011-08-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608489|0119790|2011-08-19|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C01331","name":"John W  Rich et al"},"object":{"type":"mine","id":"3608489","name":"West Spring Energy"},"validFrom":"2011-08-19","validTo":"2013-07-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608489|C01331|2011-08-19|2013-07-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C01331","name":"John W  Rich et al"},"object":{"type":"operator","id":"0119790","name":"West Spring Energy, LLC"},"validFrom":"2011-08-19","validTo":"2013-07-31","current":false,"derived":true,"evidenceMineId":"3608489","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608489|0119790|2011-08-19|C01331|2011-08-19|53553"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0110067","name":"West Spring Slope Holdings LLC et al"},"object":{"type":"mine","id":"3608489","name":"West Spring Energy"},"validFrom":"2013-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608489|0110067|2013-08-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0110067","name":"West Spring Slope Holdings LLC et al"},"object":{"type":"operator","id":"0119790","name":"West Spring Energy, LLC"},"validFrom":"2013-08-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608489","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608489|0119790|2011-08-19|0110067|2013-08-01|20125"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0110067","name":"Reading Anthracite Co et al"},"object":{"type":"operator","id":"0119790","name":"West Spring Energy, LLC"},"validFrom":"2013-08-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608489","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608489|0119790|2011-08-19|0110067|2013-08-01|20126"}}],"coverage":{"historyRecords":5,"edgeCount":11,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3608489","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"}}