{"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":"0900150","name":"McCall Mine"},"operator":{"type":"operator","id":"0078943","name":"BASF Corporation-Attapulgus EVP"},"controller":{"type":"controller","id":"0062309","name":"BASF SE"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00271","name":"Milwhite Inc"},"object":{"type":"mine","id":"0900150","name":"McCall Mine"},"validFrom":"1950-01-01","validTo":"2002-01-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900150|L00271|1950-01-01|2002-01-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00219","name":"Milwhite Inc"},"object":{"type":"mine","id":"0900150","name":"McCall Mine"},"validFrom":"1950-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900150|M00219|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00219","name":"Milwhite Inc"},"object":{"type":"operator","id":"L00271","name":"Milwhite Inc"},"validFrom":"1950-01-01","validTo":"2002-01-31","current":false,"derived":true,"evidenceMineId":"0900150","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900150|L00271|1950-01-01|M00219|1950-01-01|107586"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0050813","name":"Zemex Attapulgite LLC"},"object":{"type":"mine","id":"0900150","name":"McCall Mine"},"validFrom":"2002-02-01","validTo":"2007-11-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900150|0050813|2002-02-01|2007-11-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00060","name":"Zemex Corp"},"object":{"type":"mine","id":"0900150","name":"McCall Mine"},"validFrom":"2002-02-01","validTo":"2003-03-02","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900150|M00060|2002-02-01|2003-03-02"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00060","name":"Zemex Corp"},"object":{"type":"operator","id":"0050813","name":"Zemex Attapulgite LLC"},"validFrom":"2002-02-01","validTo":"2003-03-02","current":false,"derived":true,"evidenceMineId":"0900150","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900150|0050813|2002-02-01|M00060|2002-02-01|103184"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0043075","name":"Cementos Pacasmayo SSA"},"object":{"type":"mine","id":"0900150","name":"McCall Mine"},"validFrom":"2003-03-03","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900150|0043075|2003-03-03|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0043075","name":"Cementos Pacasmayo SSA"},"object":{"type":"operator","id":"0050813","name":"Zemex Attapulgite LLC"},"validFrom":"2003-03-03","validTo":"2007-11-27","current":false,"derived":true,"evidenceMineId":"0900150","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900150|0050813|2002-02-01|0043075|2003-03-03|4477"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0062309","name":"BASF SE"},"object":{"type":"mine","id":"0900150","name":"McCall Mine"},"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":"0900150|0062309|2007-03-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0085624","name":"Attapulgite Mining Inc"},"object":{"type":"mine","id":"0900150","name":"McCall Mine"},"validFrom":"2007-11-28","validTo":"2008-09-25","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900150|0085624|2007-11-28|2008-09-25"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0072251","name":"General Chemical Industrial Products Inc"},"object":{"type":"mine","id":"0900150","name":"McCall Mine"},"validFrom":"2007-11-28","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900150|0072251|2007-11-28|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0072251","name":"General Chemical Industrial Products Inc"},"object":{"type":"operator","id":"0085624","name":"Attapulgite Mining Inc"},"validFrom":"2007-11-28","validTo":"2008-09-25","current":false,"derived":true,"evidenceMineId":"0900150","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900150|0085624|2007-11-28|0072251|2007-11-28|11175"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0078943","name":"BASF Corporation-Attapulgus EVP"},"object":{"type":"mine","id":"0900150","name":"McCall Mine"},"validFrom":"2008-09-26","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900150|0078943|2008-09-26|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0062309","name":"BASF SE"},"object":{"type":"operator","id":"0078943","name":"BASF Corporation-Attapulgus EVP"},"validFrom":"2008-09-26","validTo":null,"current":true,"derived":true,"evidenceMineId":"0900150","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0900150|0078943|2008-09-26|0062309|2007-03-01|8490"}}],"coverage":{"historyRecords":5,"edgeCount":14,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0900150","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"}}