{"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":"1500169","name":"Drake #1"},"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":"controller_controls_mine","subject":{"type":"controller","id":"M02497","name":"Jannock Ltd"},"object":{"type":"mine","id":"1500169","name":"Drake #1"},"validFrom":"1950-01-01","validTo":"2002-04-15","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|M02497|1950-01-01|2002-04-15"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L03799","name":"Sipple Brick Inc"},"object":{"type":"mine","id":"1500169","name":"Drake #1"},"validFrom":"1950-01-01","validTo":"2003-02-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|L03799|1950-01-01|2003-02-10"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02497","name":"Jannock Ltd"},"object":{"type":"mine","id":"1500169","name":"Drake #1"},"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":"1500169|M02497|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02497","name":"Jannock Ltd"},"object":{"type":"operator","id":"L03799","name":"Sipple Brick Inc"},"validFrom":"1950-01-01","validTo":"2003-02-10","current":false,"derived":true,"evidenceMineId":"1500169","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|L03799|1950-01-01|M02497|1950-01-01|125713"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"mine","id":"1500169","name":"Drake #1"},"validFrom":"2002-04-16","validTo":"2007-08-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|M00521|2002-04-16|2007-08-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13043","name":"Wienerberger AG"},"object":{"type":"mine","id":"1500169","name":"Drake #1"},"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":"1500169|M13043|2002-07-19|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07322","name":"Forterra Brick, LLC"},"object":{"type":"mine","id":"1500169","name":"Drake #1"},"validFrom":"2003-02-11","validTo":"2017-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|L07322|2003-02-11|2017-03-31"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"operator","id":"L07322","name":"Forterra Brick, LLC"},"validFrom":"2003-02-11","validTo":"2007-08-22","current":false,"derived":true,"evidenceMineId":"1500169","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|L07322|2003-02-11|M00521|2002-04-16|112632"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02497","name":"Jannock Ltd"},"object":{"type":"operator","id":"L07322","name":"Forterra Brick, LLC"},"validFrom":"2003-02-11","validTo":"2002-04-15","current":false,"derived":true,"evidenceMineId":"1500169","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|L07322|2003-02-11|M02497|1950-01-01|125690"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"mine","id":"1500169","name":"Drake #1"},"validFrom":"2007-08-23","validTo":"2015-03-12","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|M00004|2007-08-23|2015-03-12"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"operator","id":"L07322","name":"Forterra Brick, LLC"},"validFrom":"2007-08-23","validTo":"2015-03-12","current":false,"derived":true,"evidenceMineId":"1500169","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|L07322|2003-02-11|M00004|2007-08-23|100581"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0122961","name":"Lone Star Funds"},"object":{"type":"mine","id":"1500169","name":"Drake #1"},"validFrom":"2015-03-13","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|0122961|2015-03-13|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0122961","name":"Lone Star Funds"},"object":{"type":"operator","id":"L07322","name":"Forterra Brick, LLC"},"validFrom":"2015-03-13","validTo":"2017-03-31","current":false,"derived":true,"evidenceMineId":"1500169","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|L07322|2003-02-11|0122961|2015-03-13|23882"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0151095","name":"Meridian Brick LLC"},"object":{"type":"mine","id":"1500169","name":"Drake #1"},"validFrom":"2017-04-01","validTo":"2022-12-19","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|0151095|2017-04-01|2022-12-19"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0133461","name":"Lone Star Funds Inc et al"},"object":{"type":"mine","id":"1500169","name":"Drake #1"},"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":"1500169|0133461|2017-04-01|2021-10-17"}},{"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":"1500169","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|0151095|2017-04-01|0133461|2017-04-01|26836"}},{"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":"1500169","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|0151095|2017-04-01|0133461|2017-04-01|26837"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13043","name":"Wienerberger AG"},"object":{"type":"mine","id":"1500169","name":"Drake #1"},"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":"1500169|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":"2022-12-19","current":false,"derived":true,"evidenceMineId":"1500169","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|0151095|2017-04-01|M13043|2021-10-18|155301"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0057717","name":"General Shale Brick, Inc."},"object":{"type":"mine","id":"1500169","name":"Drake #1"},"validFrom":"2022-12-20","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|0057717|2022-12-20|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M13043","name":"Wienerberger AG"},"object":{"type":"operator","id":"0057717","name":"General Shale Brick, Inc."},"validFrom":"2022-12-20","validTo":null,"current":true,"derived":true,"evidenceMineId":"1500169","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"1500169|0057717|2022-12-20|M13043|2002-07-19|155254"}}],"coverage":{"historyRecords":9,"edgeCount":21,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"1500169","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"}}