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 "K-25"): K-25 was the codename given by the Manhattan Project during World War II for the project to produce enriched uranium for atomic bombs using the gaseous diffusion method.
Relevant evidence: Yes