{"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":"0900231","name":"Gordon Plant"},"operator":{"type":"operator","id":"0089404","name":"KaMin LLC."},"controller":{"type":"controller","id":"0075071","name":"IMin Partners"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00259","name":"Engelhard Corp"},"object":{"type":"mine","id":"0900231","name":"Gordon Plant"},"validFrom":"1950-01-01","validTo":"2006-07-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|M00259|1950-01-01|2006-07-31"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00580","name":"Freeport Kaolin Company"},"object":{"type":"mine","id":"0900231","name":"Gordon Plant"},"validFrom":"1950-01-01","validTo":"1984-01-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|L00580|1950-01-01|1984-01-16"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00303","name":"Freeport Minerals Company"},"object":{"type":"mine","id":"0900231","name":"Gordon Plant"},"validFrom":"1950-01-01","validTo":"1985-02-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|M00303|1950-01-01|1985-02-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00303","name":"Freeport Minerals Company"},"object":{"type":"operator","id":"L00580","name":"Freeport Kaolin Company"},"validFrom":"1950-01-01","validTo":"1984-01-16","current":false,"derived":true,"evidenceMineId":"0900231","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|L00580|1950-01-01|M00303|1950-01-01|109208"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L06965","name":"Freeport Kaolin Company"},"object":{"type":"mine","id":"0900231","name":"Gordon Plant"},"validFrom":"1984-01-17","validTo":"1985-02-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|L06965|1984-01-17|1985-02-12"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M05551","name":"Phosphate Resource Partners Lp"},"object":{"type":"mine","id":"0900231","name":"Gordon Plant"},"validFrom":"1984-01-17","validTo":"1985-02-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|M05551|1984-01-17|1985-02-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M05551","name":"Phosphate Resource Partners Lp"},"object":{"type":"operator","id":"L06965","name":"Freeport Kaolin Company"},"validFrom":"1984-01-17","validTo":"1985-02-12","current":false,"derived":true,"evidenceMineId":"0900231","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|L06965|1984-01-17|M05551|1984-01-17|134842"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00321","name":"BASF Catalysts LLC"},"object":{"type":"mine","id":"0900231","name":"Gordon Plant"},"validFrom":"1985-02-13","validTo":"2010-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|L00321|1985-02-13|2010-03-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00259","name":"Engelhard Corp"},"object":{"type":"operator","id":"L00321","name":"BASF Catalysts LLC"},"validFrom":"1985-02-13","validTo":"2006-07-31","current":false,"derived":true,"evidenceMineId":"0900231","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|L00321|1985-02-13|M00259|1950-01-01|108502"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0062309","name":"BASF SE"},"object":{"type":"mine","id":"0900231","name":"Gordon Plant"},"validFrom":"2006-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|0062309|2006-08-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0062309","name":"BASF SE"},"object":{"type":"operator","id":"L00321","name":"BASF Catalysts LLC"},"validFrom":"2006-08-01","validTo":"2010-03-31","current":false,"derived":true,"evidenceMineId":"0900231","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|L00321|1985-02-13|0062309|2006-08-01|8472"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0062309","name":"BASF SE"},"object":{"type":"mine","id":"0900231","name":"Gordon Plant"},"validFrom":"2007-03-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|0062309|2007-03-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0075071","name":"IMin Partners"},"object":{"type":"mine","id":"0900231","name":"Gordon Plant"},"validFrom":"2008-04-22","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|0075071|2008-04-22|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0078943","name":"BASF Corporation"},"object":{"type":"mine","id":"0900231","name":"Gordon Plant"},"validFrom":"2010-04-01","validTo":"2022-09-30","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|0078943|2010-04-01|2022-09-30"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0062309","name":"BASF SE"},"object":{"type":"operator","id":"0078943","name":"BASF Corporation"},"validFrom":"2010-04-01","validTo":"2022-09-30","current":false,"derived":true,"evidenceMineId":"0900231","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|0078943|2010-04-01|0062309|2007-03-01|8491"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0089404","name":"KaMin LLC."},"object":{"type":"mine","id":"0900231","name":"Gordon Plant"},"validFrom":"2022-10-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|0089404|2022-10-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0075071","name":"IMin Partners"},"object":{"type":"operator","id":"0089404","name":"KaMin LLC."},"validFrom":"2022-10-01","validTo":null,"current":true,"derived":true,"evidenceMineId":"0900231","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900231|0089404|2022-10-01|0075071|2008-04-22|11705"}}],"coverage":{"historyRecords":6,"edgeCount":17,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0900231","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"}}