{"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":"2302327","name":"Trap Rock and Granite Quarries, LLC"},"operator":{"type":"operator","id":"0119468","name":"Trap Rock and Granite Quarries"},"controller":{"type":"controller","id":"0093253","name":"Frank J  Beelman III"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-17T05:35:58.500035+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"mine","id":"2302327","name":"Trap Rock and Granite Quarries, LLC"},"validFrom":"2001-07-12","validTo":"2015-07-09","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2302327|M02063|2001-07-12|2015-07-09"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L18663","name":"Lafarge North America Inc"},"object":{"type":"mine","id":"2302327","name":"Trap Rock and Granite Quarries, LLC"},"validFrom":"2006-02-09","validTo":"2007-10-29","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2302327|L18663|2006-02-09|2007-10-29"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M02063","name":"Lafarge S A"},"object":{"type":"operator","id":"L18663","name":"Lafarge North America Inc"},"validFrom":"2006-02-09","validTo":"2007-10-29","current":false,"derived":true,"evidenceMineId":"2302327","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2302327|L18663|2006-02-09|M02063|2001-07-12|123469"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0084504","name":"Graniteville Quarry LLC"},"object":{"type":"mine","id":"2302327","name":"Trap Rock and Granite Quarries, LLC"},"validFrom":"2007-10-30","validTo":"2011-08-18","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2302327|0084504|2007-10-30|2011-08-18"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0071271","name":"Benjamin Charles  Studdard  et al"},"object":{"type":"mine","id":"2302327","name":"Trap Rock and Granite Quarries, LLC"},"validFrom":"2007-10-30","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2302327|0071271|2007-10-30|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0071271","name":"Benjamin Charles  Studdard  et al"},"object":{"type":"operator","id":"0084504","name":"Graniteville Quarry LLC"},"validFrom":"2007-10-30","validTo":"2011-08-18","current":false,"derived":true,"evidenceMineId":"2302327","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2302327|0084504|2007-10-30|0071271|2007-10-30|10214"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0071271","name":"Glennon R  Weibrecht Jr  et al"},"object":{"type":"operator","id":"0084504","name":"Graniteville Quarry LLC"},"validFrom":"2007-10-30","validTo":"2011-08-18","current":false,"derived":true,"evidenceMineId":"2302327","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2302327|0084504|2007-10-30|0071271|2007-10-30|10215"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0119468","name":"Trap Rock and Granite Quarries"},"object":{"type":"mine","id":"2302327","name":"Trap Rock and Granite Quarries, LLC"},"validFrom":"2011-08-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2302327|0119468|2011-08-19|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0093253","name":"Frank J  Beelman III"},"object":{"type":"mine","id":"2302327","name":"Trap Rock and Granite Quarries, LLC"},"validFrom":"2011-08-19","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2302327|0093253|2011-08-19|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0093253","name":"Frank J  Beelman III"},"object":{"type":"operator","id":"0119468","name":"Trap Rock and Granite Quarries"},"validFrom":"2011-08-19","validTo":null,"current":true,"derived":true,"evidenceMineId":"2302327","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2302327|0119468|2011-08-19|0093253|2011-08-19|15311"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"mine","id":"2302327","name":"Trap Rock and Granite Quarries, LLC"},"validFrom":"2015-07-10","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2302327|0119681|2015-07-10|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0119681","name":"Holcim Ltd"},"object":{"type":"operator","id":"L18663","name":"Lafarge North America Inc"},"validFrom":"2015-07-10","validTo":"2007-10-29","current":false,"derived":true,"evidenceMineId":"2302327","intervalAnomaly":true,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-17T05:35:58.500035+00:00","recordKey":"2302327|L18663|2006-02-09|0119681|2015-07-10|23243"}}],"coverage":{"historyRecords":5,"edgeCount":12,"intervalAnomalies":1,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"2302327","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"}}