Question: The bridge spanning the River Truyere near Ruynes-en-Margeride was built by a graduate of which university?
Sentence (from "Hite Crossing Bridge"): The bridge informally marks the upstream limit of Lake Powell and the end of Cataract Canyon of the Colorado River, but when the lake is at normal water elevation, the water can back up over 30 mi upstream into Cataract Canyon.
Relevant evidence: No