{"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":"4608516","name":"Still Run #2 Mine"},"operator":{"type":"operator","id":"P23827","name":"Camp Creek Service Center Ltd"},"controller":{"type":"controller","id":"C12468","name":"K Dale  Tolliver"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23225","name":"Chief Mining Inc"},"object":{"type":"mine","id":"4608516","name":"Still Run #2 Mine"},"validFrom":"1995-08-01","validTo":"1996-06-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608516|P23225|1995-08-01|1996-06-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15297","name":"Calloway Kevin B"},"object":{"type":"mine","id":"4608516","name":"Still Run #2 Mine"},"validFrom":"1995-08-01","validTo":"2003-11-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608516|C15297|1995-08-01|2003-11-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15297","name":"Calloway Kevin B"},"object":{"type":"operator","id":"P23225","name":"Chief Mining Inc"},"validFrom":"1995-08-01","validTo":"1996-06-16","current":false,"derived":true,"evidenceMineId":"4608516","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608516|P23225|1995-08-01|C15297|1995-08-01|95198"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C15346","name":"Bishop Oley K"},"object":{"type":"mine","id":"4608516","name":"Still Run #2 Mine"},"validFrom":"1996-02-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608516|C15346|1996-02-03|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23309","name":"Little Otter Mining Inc"},"object":{"type":"mine","id":"4608516","name":"Still Run #2 Mine"},"validFrom":"1996-06-17","validTo":"1997-08-21","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608516|P23309|1996-06-17|1997-08-21"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C15346","name":"Bishop Oley K"},"object":{"type":"operator","id":"P23309","name":"Little Otter Mining Inc"},"validFrom":"1996-06-17","validTo":"1997-08-21","current":false,"derived":true,"evidenceMineId":"4608516","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608516|P23309|1996-06-17|C15346|1996-02-03|95382"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P23827","name":"Camp Creek Service Center Ltd"},"object":{"type":"mine","id":"4608516","name":"Still Run #2 Mine"},"validFrom":"1997-08-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608516|P23827|1997-08-22|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C12468","name":"K Dale  Tolliver et al"},"object":{"type":"mine","id":"4608516","name":"Still Run #2 Mine"},"validFrom":"1997-08-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608516|C12468|1997-08-22|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C12468","name":"K Dale  Tolliver et al"},"object":{"type":"operator","id":"P23827","name":"Camp Creek Service Center Ltd"},"validFrom":"1997-08-22","validTo":null,"current":true,"derived":true,"evidenceMineId":"4608516","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608516|P23827|1997-08-22|C12468|1997-08-22|86972"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C13525","name":"Kenneth R  Calloway"},"object":{"type":"mine","id":"4608516","name":"Still Run #2 Mine"},"validFrom":"2003-11-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608516|C13525|2003-11-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C13525","name":"Kenneth R  Calloway"},"object":{"type":"operator","id":"P23225","name":"Chief Mining Inc"},"validFrom":"2003-11-12","validTo":"1996-06-16","current":false,"derived":true,"evidenceMineId":"4608516","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4608516|P23225|1995-08-01|C13525|2003-11-12|90230"}}],"coverage":{"historyRecords":4,"edgeCount":11,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4608516","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"}}