{"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":"4102978","name":"El Paso Plant"},"operator":{"type":"operator","id":"0059237","name":"American Minerals Inc"},"controller":{"type":"controller","id":"0049071","name":"Prince Mineral Company Incorporated"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02413","name":"American Premier Inc"},"object":{"type":"mine","id":"4102978","name":"El Paso Plant"},"validFrom":"1978-03-09","validTo":"1998-01-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4102978|M02413|1978-03-09|1998-01-28"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L01496","name":"American Minerals Inc"},"object":{"type":"mine","id":"4102978","name":"El Paso Plant"},"validFrom":"1980-02-01","validTo":"1998-01-28","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4102978|L01496|1980-02-01|1998-01-28"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02413","name":"American Premier Inc"},"object":{"type":"operator","id":"L01496","name":"American Minerals Inc"},"validFrom":"1980-02-01","validTo":"1998-01-28","current":false,"derived":true,"evidenceMineId":"4102978","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4102978|L01496|1980-02-01|M02413|1978-03-09|125322"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11763","name":"Imerys S A"},"object":{"type":"mine","id":"4102978","name":"El Paso Plant"},"validFrom":"1997-11-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4102978|M11763|1997-11-18|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16682","name":"American Minerals Inc"},"object":{"type":"mine","id":"4102978","name":"El Paso Plant"},"validFrom":"1998-01-29","validTo":"2006-01-16","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4102978|L16682|1998-01-29|2006-01-16"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11763","name":"Imerys S A"},"object":{"type":"operator","id":"L16682","name":"American Minerals Inc"},"validFrom":"1998-01-29","validTo":"2006-01-16","current":false,"derived":true,"evidenceMineId":"4102978","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4102978|L16682|1998-01-29|M11763|1997-11-18|152258"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0049071","name":"Prince Mineral Company Incorporated"},"object":{"type":"mine","id":"4102978","name":"El Paso Plant"},"validFrom":"2005-03-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4102978|0049071|2005-03-18|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0059237","name":"American Minerals Inc"},"object":{"type":"mine","id":"4102978","name":"El Paso Plant"},"validFrom":"2006-01-17","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4102978|0059237|2006-01-17|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0049071","name":"Prince Mineral Company Incorporated"},"object":{"type":"operator","id":"0059237","name":"American Minerals Inc"},"validFrom":"2006-01-17","validTo":null,"current":true,"derived":true,"evidenceMineId":"4102978","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"4102978|0059237|2006-01-17|0049071|2005-03-18|6123"}}],"coverage":{"historyRecords":3,"edgeCount":9,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"4102978","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"}}