{"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":"0901038","name":"Imerys Ellijay Marble Hill Mine"},"operator":{"type":"operator","id":"L17145","name":"Imerys Carbonates USA, INC"},"controller":{"type":"controller","id":"M11763","name":"Imerys S A"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M07929","name":"Daniel  Boggs  et al"},"object":{"type":"mine","id":"0901038","name":"Imerys Ellijay Marble Hill Mine"},"validFrom":"1986-08-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|M07929|1986-08-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11763","name":"Imerys S A"},"object":{"type":"mine","id":"0901038","name":"Imerys Ellijay Marble Hill Mine"},"validFrom":"1989-05-31","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|M11763|1989-05-31|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L10163","name":"Boundary Creek Mining"},"object":{"type":"mine","id":"0901038","name":"Imerys Ellijay Marble Hill Mine"},"validFrom":"1989-09-01","validTo":"1990-03-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|L10163|1989-09-01|1990-03-11"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07929","name":"Daniel  Boggs  et al"},"object":{"type":"operator","id":"L10163","name":"Boundary Creek Mining"},"validFrom":"1989-09-01","validTo":"1990-03-11","current":false,"derived":true,"evidenceMineId":"0901038","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|L10163|1989-09-01|M07929|1986-08-01|142387"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M07929","name":"James E  Hallam  et al"},"object":{"type":"operator","id":"L10163","name":"Boundary Creek Mining"},"validFrom":"1989-09-01","validTo":"1990-03-11","current":false,"derived":true,"evidenceMineId":"0901038","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|L10163|1989-09-01|M07929|1986-08-01|142388"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L11496","name":"Filler Products Inc"},"object":{"type":"mine","id":"0901038","name":"Imerys Ellijay Marble Hill Mine"},"validFrom":"1990-03-12","validTo":"1998-08-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|L11496|1990-03-12|1998-08-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M08888","name":"John H  Waters"},"object":{"type":"mine","id":"0901038","name":"Imerys Ellijay Marble Hill Mine"},"validFrom":"1990-03-12","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|M08888|1990-03-12|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M08888","name":"John H  Waters"},"object":{"type":"operator","id":"L11496","name":"Filler Products Inc"},"validFrom":"1990-03-12","validTo":"1998-08-31","current":false,"derived":true,"evidenceMineId":"0901038","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|L11496|1990-03-12|M08888|1990-03-12|144351"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00581","name":"Oglebay Norton Company"},"object":{"type":"mine","id":"0901038","name":"Imerys Ellijay Marble Hill Mine"},"validFrom":"1998-06-22","validTo":"2008-02-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|M00581|1998-06-22|2008-02-12"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16204","name":"O-N Minerals (Filler Products) Company"},"object":{"type":"mine","id":"0901038","name":"Imerys Ellijay Marble Hill Mine"},"validFrom":"1998-09-01","validTo":"2008-12-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|L16204|1998-09-01|2008-12-31"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00581","name":"Oglebay Norton Company"},"object":{"type":"mine","id":"0901038","name":"Imerys Ellijay Marble Hill Mine"},"validFrom":"1998-09-01","validTo":"2008-02-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|M00581|1998-09-01|2008-02-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00581","name":"Oglebay Norton Company"},"object":{"type":"operator","id":"L16204","name":"O-N Minerals (Filler Products) Company"},"validFrom":"1998-09-01","validTo":"2008-02-12","current":false,"derived":true,"evidenceMineId":"0901038","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|L16204|1998-09-01|M00581|1998-09-01|113294"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10266","name":"Carmeuse Holding SA"},"object":{"type":"mine","id":"0901038","name":"Imerys Ellijay Marble Hill Mine"},"validFrom":"2008-02-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|M10266|2008-02-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10266","name":"Carmeuse Holding SA"},"object":{"type":"operator","id":"L16204","name":"O-N Minerals (Filler Products) Company"},"validFrom":"2008-02-13","validTo":"2008-12-31","current":false,"derived":true,"evidenceMineId":"0901038","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|L16204|1998-09-01|M10266|2008-02-13|148817"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16758","name":"Carmeuse L&S"},"object":{"type":"mine","id":"0901038","name":"Imerys Ellijay Marble Hill Mine"},"validFrom":"2009-01-01","validTo":"2023-09-24","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|L16758|2009-01-01|2023-09-24"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00581","name":"Oglebay Norton Company"},"object":{"type":"operator","id":"L16758","name":"Carmeuse L&S"},"validFrom":"2009-01-01","validTo":"2008-02-12","current":false,"derived":true,"evidenceMineId":"0901038","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|L16758|2009-01-01|M00581|1998-06-22|113272"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10266","name":"Carmeuse Holding SA"},"object":{"type":"operator","id":"L16758","name":"Carmeuse L&S"},"validFrom":"2009-01-01","validTo":"2023-09-24","current":false,"derived":true,"evidenceMineId":"0901038","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|L16758|2009-01-01|M10266|2008-02-13|148818"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L17145","name":"Imerys Carbonates USA, INC"},"object":{"type":"mine","id":"0901038","name":"Imerys Ellijay Marble Hill Mine"},"validFrom":"2023-09-25","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|L17145|2023-09-25|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11763","name":"Imerys S A"},"object":{"type":"operator","id":"L17145","name":"Imerys Carbonates USA, INC"},"validFrom":"2023-09-25","validTo":null,"current":true,"derived":true,"evidenceMineId":"0901038","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"0901038|L17145|2023-09-25|M11763|1989-05-31|152273"}}],"coverage":{"historyRecords":8,"edgeCount":19,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0901038","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"}}