{"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":"1200322","name":"Clayvigo No. 1 Mine"},"operator":{"type":"operator","id":"0075603","name":"RLF Chinook Properties, LLC"},"controller":{"type":"controller","id":"0063469","name":"RLF Chinook Properties LLC"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"P00606","name":"Amax Coal Company"},"object":{"type":"mine","id":"1200322","name":"Clayvigo No. 1 Mine"},"validFrom":"1950-01-01","validTo":"1998-06-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1200322|P00606|1950-01-01|1998-06-28"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06148","name":"Cyprus Amax Minerals Company"},"object":{"type":"mine","id":"1200322","name":"Clayvigo No. 1 Mine"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1200322|C06148|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06148","name":"Cyprus Amax Minerals Company"},"object":{"type":"operator","id":"P00606","name":"Amax Coal Company"},"validFrom":"1950-01-01","validTo":"1998-06-28","current":false,"derived":true,"evidenceMineId":"1200322","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1200322|P00606|1950-01-01|C06148|1950-01-01|70905"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"P24019","name":"Midwest Coal Company"},"object":{"type":"mine","id":"1200322","name":"Clayvigo No. 1 Mine"},"validFrom":"1998-06-29","validTo":"2004-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1200322|P24019|1998-06-29|2004-09-30"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"C06656","name":"Horizon Natural Resources Incorporated"},"object":{"type":"mine","id":"1200322","name":"Clayvigo No. 1 Mine"},"validFrom":"1998-06-29","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1200322|C06656|1998-06-29|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"C06656","name":"Horizon Natural Resources Incorporated"},"object":{"type":"operator","id":"P24019","name":"Midwest Coal Company"},"validFrom":"1998-06-29","validTo":"2004-09-30","current":false,"derived":true,"evidenceMineId":"1200322","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1200322|P24019|1998-06-29|C06656|1998-06-29|72610"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0055317","name":"LCC Indiana, LLC"},"object":{"type":"mine","id":"1200322","name":"Clayvigo No. 1 Mine"},"validFrom":"2004-10-01","validTo":"2006-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1200322|0055317|2004-10-01|2006-08-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0045767","name":"Lexington Coal Company LLC"},"object":{"type":"mine","id":"1200322","name":"Clayvigo No. 1 Mine"},"validFrom":"2004-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1200322|0045767|2004-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0045767","name":"Lexington Coal Company LLC"},"object":{"type":"operator","id":"0055317","name":"LCC Indiana, LLC"},"validFrom":"2004-10-01","validTo":"2006-08-31","current":false,"derived":true,"evidenceMineId":"1200322","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1200322|0055317|2004-10-01|0045767|2004-10-01|5476"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0075603","name":"RLF Chinook Properties, LLC"},"object":{"type":"mine","id":"1200322","name":"Clayvigo No. 1 Mine"},"validFrom":"2006-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1200322|0075603|2006-09-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0063469","name":"RLF Chinook Properties LLC"},"object":{"type":"mine","id":"1200322","name":"Clayvigo No. 1 Mine"},"validFrom":"2006-09-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1200322|0063469|2006-09-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0063469","name":"RLF Chinook Properties LLC"},"object":{"type":"operator","id":"0075603","name":"RLF Chinook Properties, LLC"},"validFrom":"2006-09-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"1200322","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"1200322|0075603|2006-09-01|0063469|2006-09-01|8674"}}],"coverage":{"historyRecords":4,"edgeCount":12,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1200322","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"}}