{"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":"3608817","name":"TAYLOR HILL QUARRY"},"operator":{"type":"operator","id":"0179433","name":"ATC Natural Stone"},"controller":{"type":"controller","id":"0089373","name":"Jorge Armando Tobon Cruz"},"source":{"datasetId":"msha-mines","observedAt":"2026-10-13T11:19:05.459773+00:00"}},"edges":[{"type":"controller_controls_mine","subject":{"type":"controller","id":"M11374","name":"Timothy M  Smith"},"object":{"type":"mine","id":"3608817","name":"TAYLOR HILL QUARRY"},"validFrom":"1997-01-01","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608817|M11374|1997-01-01|"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"M12956","name":"Timothy M  Smith"},"object":{"type":"mine","id":"3608817","name":"TAYLOR HILL QUARRY"},"validFrom":"1999-09-23","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608817|M12956|1999-09-23|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L16975","name":"Timothy M Smith"},"object":{"type":"mine","id":"3608817","name":"TAYLOR HILL QUARRY"},"validFrom":"1999-10-01","validTo":"2006-04-10","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608817|L16975|1999-10-01|2006-04-10"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M12956","name":"Timothy M  Smith"},"object":{"type":"operator","id":"L16975","name":"Timothy M Smith"},"validFrom":"1999-10-01","validTo":"2006-04-10","current":false,"derived":true,"evidenceMineId":"3608817","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608817|L16975|1999-10-01|M12956|1999-09-23|155014"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"L14944","name":"B S Quarries Inc"},"object":{"type":"mine","id":"3608817","name":"TAYLOR HILL QUARRY"},"validFrom":"2006-04-11","validTo":"2024-06-04","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608817|L14944|2006-04-11|2024-06-04"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"M11374","name":"Timothy M  Smith"},"object":{"type":"operator","id":"L14944","name":"B S Quarries Inc"},"validFrom":"2006-04-11","validTo":"2024-06-04","current":false,"derived":true,"evidenceMineId":"3608817","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608817|L14944|2006-04-11|M11374|1997-01-01|151261"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0089373","name":"Jorge Armando Tobon Cruz"},"object":{"type":"mine","id":"3608817","name":"TAYLOR HILL QUARRY"},"validFrom":"2021-10-06","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608817|0089373|2021-10-06|"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0196093","name":"PA Bluestone Supply LLC"},"object":{"type":"mine","id":"3608817","name":"TAYLOR HILL QUARRY"},"validFrom":"2024-06-05","validTo":"2026-08-23","current":false,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608817|0196093|2024-06-05|2026-08-23"}},{"type":"controller_controls_mine","subject":{"type":"controller","id":"0185301","name":"Kevin  Kann et al"},"object":{"type":"mine","id":"3608817","name":"TAYLOR HILL QUARRY"},"validFrom":"2024-06-05","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608817|0185301|2024-06-05|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0185301","name":"Kevin  Kann et al"},"object":{"type":"operator","id":"0196093","name":"PA Bluestone Supply LLC"},"validFrom":"2024-06-05","validTo":"2026-08-23","current":false,"derived":true,"evidenceMineId":"3608817","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608817|0196093|2024-06-05|0185301|2024-06-05|39533"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0185301","name":"Rodney  Frey et al"},"object":{"type":"operator","id":"0196093","name":"PA Bluestone Supply LLC"},"validFrom":"2024-06-05","validTo":"2026-08-23","current":false,"derived":true,"evidenceMineId":"3608817","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608817|0196093|2024-06-05|0185301|2024-06-05|39534"}},{"type":"operator_operates_mine","subject":{"type":"operator","id":"0179433","name":"ATC Natural Stone"},"object":{"type":"mine","id":"3608817","name":"TAYLOR HILL QUARRY"},"validFrom":"2026-08-24","validTo":null,"current":true,"derived":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608817|0179433|2026-08-24|"}},{"type":"controller_controls_operator","subject":{"type":"controller","id":"0089373","name":"Jorge Armando Tobon Cruz"},"object":{"type":"operator","id":"0179433","name":"ATC Natural Stone"},"validFrom":"2026-08-24","validTo":null,"current":true,"derived":true,"evidenceMineId":"3608817","intervalAnomaly":false,"source":{"datasetId":"msha-controller-operator-history","observedAt":"2026-10-13T11:19:05.459773+00:00","recordKey":"3608817|0179433|2026-08-24|0089373|2021-10-06|14367"}}],"coverage":{"historyRecords":5,"edgeCount":13,"intervalAnomalies":0,"sourceDatasetId":"msha-controller-operator-history"}},"meta":{"mineId":"3608817","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"}}