Question: What tributary enters the Clinch near the former site which goes by the codename given it by the Manhattan Project during World War II for the project to produce enriched uranium for atomic bombs using the gaseous diffusion method?
Sentence (from "John R. Dunning"): John Ray Dunning (September 24, 1907 – August 25, 1975) was an American physicist who played key roles in the Manhattan Project that developed the first atomic bombs.
Relevant evidence: No