{"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":"0100096","name":"BORAL CLAY PITS"},"operator":{"type":"operator","id":"0057717","name":"General Shale Brick, Inc."},"controller":{"type":"controller","id":"M13043","name":"Wienerberger AG"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L00003","name":"Bickerstaff Clay Products Company Inc"},"object":{"type":"mine","id":"0100096","name":"BORAL CLAY PITS"},"validFrom":"1950-01-01","validTo":"1995-07-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100096|L00003|1950-01-01|1995-07-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00037","name":"R H  Bickerstaff"},"object":{"type":"mine","id":"0100096","name":"BORAL CLAY PITS"},"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":"0100096|M00037|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00037","name":"R H  Bickerstaff"},"object":{"type":"operator","id":"L00003","name":"Bickerstaff Clay Products Company Inc"},"validFrom":"1950-01-01","validTo":"1995-07-19","current":false,"derived":true,"evidenceMineId":"0100096","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100096|L00003|1950-01-01|M00037|1950-01-01|102315"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00202","name":"Boral Limited"},"object":{"type":"mine","id":"0100096","name":"BORAL CLAY PITS"},"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":"0100096|M00202|1950-01-01|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L09675","name":"Boral Bricks Inc"},"object":{"type":"mine","id":"0100096","name":"BORAL CLAY PITS"},"validFrom":"1995-07-20","validTo":"2017-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100096|L09675|1995-07-20|2017-03-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00202","name":"Boral Limited"},"object":{"type":"operator","id":"L09675","name":"Boral Bricks Inc"},"validFrom":"1995-07-20","validTo":"2017-03-31","current":false,"derived":true,"evidenceMineId":"0100096","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100096|L09675|1995-07-20|M00202|1950-01-01|107316"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13043","name":"Wienerberger AG"},"object":{"type":"mine","id":"0100096","name":"BORAL CLAY PITS"},"validFrom":"2002-07-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100096|M13043|2002-07-19|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0151095","name":"Meridian Brick LLC"},"object":{"type":"mine","id":"0100096","name":"BORAL CLAY PITS"},"validFrom":"2017-04-01","validTo":"2023-03-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100096|0151095|2017-04-01|2023-03-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0133461","name":"Boral Industries Inc et al"},"object":{"type":"mine","id":"0100096","name":"BORAL CLAY PITS"},"validFrom":"2017-04-01","validTo":"2021-10-17","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100096|0133461|2017-04-01|2021-10-17"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0133461","name":"Boral Industries Inc et al"},"object":{"type":"operator","id":"0151095","name":"Meridian Brick LLC"},"validFrom":"2017-04-01","validTo":"2021-10-17","current":false,"derived":true,"evidenceMineId":"0100096","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100096|0151095|2017-04-01|0133461|2017-04-01|26830"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0133461","name":"Lone Star Funds Inc et al"},"object":{"type":"operator","id":"0151095","name":"Meridian Brick LLC"},"validFrom":"2017-04-01","validTo":"2021-10-17","current":false,"derived":true,"evidenceMineId":"0100096","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100096|0151095|2017-04-01|0133461|2017-04-01|26831"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13043","name":"Wienerberger AG"},"object":{"type":"mine","id":"0100096","name":"BORAL CLAY PITS"},"validFrom":"2021-10-18","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100096|M13043|2021-10-18|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13043","name":"Wienerberger AG"},"object":{"type":"operator","id":"0151095","name":"Meridian Brick LLC"},"validFrom":"2021-10-18","validTo":"2023-03-29","current":false,"derived":true,"evidenceMineId":"0100096","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100096|0151095|2017-04-01|M13043|2021-10-18|155298"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0057717","name":"General Shale Brick, Inc."},"object":{"type":"mine","id":"0100096","name":"BORAL CLAY PITS"},"validFrom":"2023-03-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100096|0057717|2023-03-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13043","name":"Wienerberger AG"},"object":{"type":"operator","id":"0057717","name":"General Shale Brick, Inc."},"validFrom":"2023-03-30","validTo":null,"current":true,"derived":true,"evidenceMineId":"0100096","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0100096|0057717|2023-03-30|M13043|2002-07-19|155239"}}],"coverage":{"historyRecords":6,"edgeCount":15,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0100096","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"}}