{"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":"2026-10-17T05:35:58.500035+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":"2200585","name":"Krystal Gravel-Harmony"},"operator":{"type":"operator","id":"L11622","name":"Krystal Gravel"},"controller":{"type":"controller","id":"0111861","name":"Amy Sojourner  Eversole"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11622","name":"Krystal Gravel"},"object":{"type":"mine","id":"2200585","name":"Krystal Gravel-Harmony"},"validFrom":"1986-10-01","validTo":"1990-04-01","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200585|L11622|1986-10-01|1990-04-01"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08981","name":"John C  Sojourner"},"object":{"type":"mine","id":"2200585","name":"Krystal Gravel-Harmony"},"validFrom":"1986-10-01","validTo":"2013-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200585|M08981|1986-10-01|2013-12-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08981","name":"John C  Sojourner"},"object":{"type":"operator","id":"L11622","name":"Krystal Gravel"},"validFrom":"1986-10-01","validTo":"1990-04-01","current":false,"derived":true,"evidenceMineId":"2200585","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200585|L11622|1986-10-01|M08981|1986-10-01|144843"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11623","name":"Southwest Paving Inc"},"object":{"type":"mine","id":"2200585","name":"Krystal Gravel-Harmony"},"validFrom":"1990-04-02","validTo":"1992-12-03","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200585|L11623|1990-04-02|1992-12-03"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08982","name":"James H  Williams Sr"},"object":{"type":"mine","id":"2200585","name":"Krystal Gravel-Harmony"},"validFrom":"1990-04-02","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200585|M08982|1990-04-02|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08982","name":"James H  Williams Sr"},"object":{"type":"operator","id":"L11623","name":"Southwest Paving Inc"},"validFrom":"1990-04-02","validTo":"1992-12-03","current":false,"derived":true,"evidenceMineId":"2200585","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200585|L11623|1990-04-02|M08982|1990-04-02|144850"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11622","name":"Krystal Gravel"},"object":{"type":"mine","id":"2200585","name":"Krystal Gravel-Harmony"},"validFrom":"1992-12-04","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200585|L11622|1992-12-04|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08981","name":"John C  Sojourner"},"object":{"type":"operator","id":"L11622","name":"Krystal Gravel"},"validFrom":"1992-12-04","validTo":"2013-12-31","current":false,"derived":true,"evidenceMineId":"2200585","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200585|L11622|1992-12-04|M08981|1986-10-01|144844"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0111861","name":"Amy Sojourner  Eversole"},"object":{"type":"mine","id":"2200585","name":"Krystal Gravel-Harmony"},"validFrom":"2014-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200585|0111861|2014-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0111861","name":"Amy Sojourner  Eversole"},"object":{"type":"operator","id":"L11622","name":"Krystal Gravel"},"validFrom":"2014-01-01","validTo":"1990-04-01","current":false,"derived":true,"evidenceMineId":"2200585","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200585|L11622|1986-10-01|0111861|2014-01-01|20679"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0111861","name":"Amy Sojourner  Eversole"},"object":{"type":"operator","id":"L11622","name":"Krystal Gravel"},"validFrom":"2014-01-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"2200585","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2200585|L11622|1992-12-04|0111861|2014-01-01|20680"}}],"coverage":{"historyRecords":5,"edgeCount":11,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2200585","dataSource":"postgres","snapshotId":"2026-10-17T05:35:58.500035+00:00","completedAt":"2026-10-17T06:17:15.228Z","sourceCount":20,"totalRows":15450873,"relationshipSemantics":"valid time; null validTo means current or open-ended in the source"}}