{"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":"4801664","name":"West Wash Plant #11"},"operator":{"type":"operator","id":"L06685","name":"Croell, Inc."},"controller":{"type":"controller","id":"0126881","name":"Kurt  Croell"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05324","name":"Roger  Croell"},"object":{"type":"mine","id":"4801664","name":"West Wash Plant #11"},"validFrom":"1950-01-01","validTo":"2013-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801664|M05324|1950-01-01|2013-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M03183","name":"Colas S A"},"object":{"type":"mine","id":"4801664","name":"West Wash Plant #11"},"validFrom":"1995-01-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801664|M03183|1995-01-26|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11598","name":"Robert C  Willits"},"object":{"type":"mine","id":"4801664","name":"West Wash Plant #11"},"validFrom":"1997-06-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801664|M11598|1997-06-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L15215","name":"Willits Company, Inc."},"object":{"type":"mine","id":"4801664","name":"West Wash Plant #11"},"validFrom":"2004-10-25","validTo":"2016-06-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801664|L15215|2004-10-25|2016-06-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11598","name":"Robert C  Willits"},"object":{"type":"operator","id":"L15215","name":"Willits Company, Inc."},"validFrom":"2004-10-25","validTo":"2016-06-16","current":false,"derived":true,"evidenceMineId":"4801664","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801664|L15215|2004-10-25|M11598|1997-06-01|151859"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0126881","name":"Kurt  Croell"},"object":{"type":"mine","id":"4801664","name":"West Wash Plant #11"},"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":"4801664|0126881|2014-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14011","name":"Simon Contractors"},"object":{"type":"mine","id":"4801664","name":"West Wash Plant #11"},"validFrom":"2016-06-17","validTo":"2020-12-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801664|L14011|2016-06-17|2020-12-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M03183","name":"Colas S A"},"object":{"type":"operator","id":"L14011","name":"Simon Contractors"},"validFrom":"2016-06-17","validTo":"2020-12-10","current":false,"derived":true,"evidenceMineId":"4801664","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801664|L14011|2016-06-17|M03183|1995-01-26|128360"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06685","name":"Croell, Inc."},"object":{"type":"mine","id":"4801664","name":"West Wash Plant #11"},"validFrom":"2020-12-11","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801664|L06685|2020-12-11|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0126881","name":"Kurt  Croell"},"object":{"type":"operator","id":"L06685","name":"Croell, Inc."},"validFrom":"2020-12-11","validTo":null,"current":true,"derived":true,"evidenceMineId":"4801664","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801664|L06685|2020-12-11|0126881|2014-01-01|24657"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05324","name":"Roger  Croell"},"object":{"type":"operator","id":"L06685","name":"Croell, Inc."},"validFrom":"2020-12-11","validTo":"2013-12-31","current":false,"derived":true,"evidenceMineId":"4801664","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"4801664|L06685|2020-12-11|M05324|1950-01-01|134288"}}],"coverage":{"historyRecords":4,"edgeCount":11,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4801664","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"}}