{"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":"0102086","name":"ROCK PRODUCTS QUARRY"},"operator":{"type":"operator","id":"0127273","name":"A Team Mining LLC"},"controller":{"type":"controller","id":"0108301","name":"Jerry  Lewis; Brad  Stevens"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"operator_operates_mine","subject":{"type":"operator","id":"L13383","name":"Rock Products Inc"},"object":{"type":"mine","id":"0102086","name":"ROCK PRODUCTS QUARRY"},"validFrom":"1979-01-01","validTo":"2007-06-11","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|L13383|1979-01-01|2007-06-11"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M10221","name":"Leroy  Blair"},"object":{"type":"mine","id":"0102086","name":"ROCK PRODUCTS QUARRY"},"validFrom":"1979-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|M10221|1979-01-01|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M10221","name":"Leroy  Blair"},"object":{"type":"operator","id":"L13383","name":"Rock Products Inc"},"validFrom":"1979-01-01","validTo":"2007-06-11","current":false,"derived":true,"evidenceMineId":"0102086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|L13383|1979-01-01|M10221|1979-01-01|148647"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0081704","name":"ROCK PRODUCTS, LLC"},"object":{"type":"mine","id":"0102086","name":"ROCK PRODUCTS QUARRY"},"validFrom":"2007-06-12","validTo":"2012-10-22","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|0081704|2007-06-12|2012-10-22"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0068811","name":"Ross L  Beamon et al"},"object":{"type":"mine","id":"0102086","name":"ROCK PRODUCTS QUARRY"},"validFrom":"2007-06-12","validTo":"2010-07-14","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|0068811|2007-06-12|2010-07-14"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0068811","name":"Ross L  Beamon et al"},"object":{"type":"operator","id":"0081704","name":"ROCK PRODUCTS, LLC"},"validFrom":"2007-06-12","validTo":"2010-07-14","current":false,"derived":true,"evidenceMineId":"0102086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|0081704|2007-06-12|0068811|2007-06-12|9724"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0068811","name":"John R  Moody et al"},"object":{"type":"operator","id":"0081704","name":"ROCK PRODUCTS, LLC"},"validFrom":"2007-06-12","validTo":"2010-07-14","current":false,"derived":true,"evidenceMineId":"0102086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|0081704|2007-06-12|0068811|2007-06-12|9725"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0094653","name":"Peter  Dvorak et al"},"object":{"type":"mine","id":"0102086","name":"ROCK PRODUCTS QUARRY"},"validFrom":"2010-07-15","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|0094653|2010-07-15|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0094653","name":"Peter  Dvorak et al"},"object":{"type":"operator","id":"0081704","name":"ROCK PRODUCTS, LLC"},"validFrom":"2010-07-15","validTo":"2012-10-22","current":false,"derived":true,"evidenceMineId":"0102086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|0081704|2007-06-12|0094653|2010-07-15|15485"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0094653","name":"George E  Ingram et al"},"object":{"type":"operator","id":"0081704","name":"ROCK PRODUCTS, LLC"},"validFrom":"2010-07-15","validTo":"2012-10-22","current":false,"derived":true,"evidenceMineId":"0102086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|0081704|2007-06-12|0094653|2010-07-15|15486"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0127273","name":"A Team Mining LLC"},"object":{"type":"mine","id":"0102086","name":"ROCK PRODUCTS QUARRY"},"validFrom":"2012-10-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|0127273|2012-10-23|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0108301","name":"Jerry  Lewis et al"},"object":{"type":"mine","id":"0102086","name":"ROCK PRODUCTS QUARRY"},"validFrom":"2012-10-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|0108301|2012-10-23|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0108301","name":"Jerry  Lewis et al"},"object":{"type":"operator","id":"0127273","name":"A Team Mining LLC"},"validFrom":"2012-10-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"0102086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|0127273|2012-10-23|0108301|2012-10-23|19491"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0108301","name":"Brad  Stevens et al"},"object":{"type":"operator","id":"0127273","name":"A Team Mining LLC"},"validFrom":"2012-10-23","validTo":null,"current":true,"derived":true,"evidenceMineId":"0102086","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"0102086|0127273|2012-10-23|0108301|2012-10-23|19492"}}],"coverage":{"historyRecords":7,"edgeCount":14,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"0102086","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"}}