Luke Richardson completed a hat trick with 1:31 left to play and the Lumberjacks rolled past Alexandria in an NA3HL junior hockey game at Runestone Community Center.
Aidan Verbeke added a pair of goals for Granite City, while Gavin Porter, Tobias Gabrielsen and Christian Mohs also scored.
Goaltender Scott Murray made 27 saves for the Lumberjacks, who outshot Alexandria 30-28.