{"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":"3800039","name":"Richland County Mines"},"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":"L00539","name":"Richtex Corp"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"validFrom":"1950-01-01","validTo":"1996-05-27","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|L00539|1950-01-01|1996-05-27"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00458","name":"Pamona Corp"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"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":"3800039|M00458|1950-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00458","name":"Pamona Corp"},"object":{"type":"operator","id":"L00539","name":"Richtex Corp"},"validFrom":"1950-01-01","validTo":"1996-05-27","current":false,"derived":true,"evidenceMineId":"3800039","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|L00539|1950-01-01|M00458|1950-01-01|111315"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02497","name":"Jannock Ltd"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"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":"3800039|M02497|1950-01-01|2002-04-15"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02497","name":"Jannock Ltd"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"validFrom":"1996-01-01","validTo":"1999-05-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|M02497|1996-01-01|1999-05-14"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14484","name":"Richtex Corp"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"validFrom":"1996-05-28","validTo":"1999-05-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|L14484|1996-05-28|1999-05-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02497","name":"Jannock Ltd"},"object":{"type":"operator","id":"L14484","name":"Richtex Corp"},"validFrom":"1996-05-28","validTo":"1999-05-14","current":false,"derived":true,"evidenceMineId":"3800039","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|L14484|1996-05-28|M02497|1996-01-01|125716"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16999","name":"Richtex Corp"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"validFrom":"1999-05-15","validTo":"2003-04-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|L16999|1999-05-15|2003-04-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"validFrom":"1999-05-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|M00521|1999-05-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"operator","id":"L16999","name":"Richtex Corp"},"validFrom":"1999-05-15","validTo":"2003-04-23","current":false,"derived":true,"evidenceMineId":"3800039","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|L16999|1999-05-15|M00521|1999-05-15|112574"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00521","name":"Hanson PLC"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"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":"3800039|M00521|2002-04-16|2007-08-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13043","name":"Wienerberger AG"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"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":"3800039|M13043|2002-07-19|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L07322","name":"Forterra Brick, LLC"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"validFrom":"2003-04-24","validTo":"2017-03-31","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|L07322|2003-04-24|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":"2003-04-24","validTo":"2007-08-22","current":false,"derived":true,"evidenceMineId":"3800039","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|L07322|2003-04-24|M00521|2002-04-16|112643"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02497","name":"Jannock Ltd"},"object":{"type":"operator","id":"L07322","name":"Forterra Brick, LLC"},"validFrom":"2003-04-24","validTo":"2002-04-15","current":false,"derived":true,"evidenceMineId":"3800039","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|L07322|2003-04-24|M02497|1950-01-01|125701"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M00004","name":"Heidelberg Materials AG"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"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":"3800039|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":"3800039","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|L07322|2003-04-24|M00004|2007-08-23|100592"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0122961","name":"Lone Star Funds"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"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":"3800039|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":"3800039","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|L07322|2003-04-24|0122961|2015-03-13|23893"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0151095","name":"Meridian Brick LLC"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"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":"3800039|0151095|2017-04-01|2023-03-29"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0133461","name":"Lone Star Funds Inc et al"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"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":"3800039|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":"3800039","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|0151095|2017-04-01|0133461|2017-04-01|26856"}},{"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":"3800039","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|0151095|2017-04-01|0133461|2017-04-01|26857"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M13043","name":"Wienerberger AG"},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"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":"3800039|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":"3800039","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|0151095|2017-04-01|M13043|2021-10-18|155311"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0057717","name":"General Shale Brick, Inc."},"object":{"type":"mine","id":"3800039","name":"Richland County Mines"},"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":"3800039|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":"3800039","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3800039|0057717|2023-03-30|M13043|2002-07-19|155273"}}],"coverage":{"historyRecords":11,"edgeCount":27,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3800039","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"}}