Wilson Lock's main navigation lock at Tennessee River mile 259.4 in Florence, Alabama, is closed 7 a.m. to 3 p.m. CST Monday, Nov. 6, 2023, while Tennessee Valley Authority moves its hydro unit caisson through the lock to perform diving operation on the upstream stoplog recess. For more information, call Brian Brewer, Facility Operations supervisor, at 256-247-3311.