Houston scored, but three-goal third period lead U.S. to victory.
Julia Gosling opened and closed the scoring to help Canada to the win.
Shirley scored the lone goal as Canada dropped the NWDT series opener.
Guay scored and Kirk made 29 saves, but Canada was edged in overtime.
Mutala and Lafrenière had 2G each, and Canada won a 22nd U18 gold.
Polkolzin scored a hat trick to lead the Russians to the bronze medal.
Snow and Trevors scored to lead Red to victory in the camp finale.
Potomak had a goal and two assists to help Black win the NWDT finale.
Third-period goals from Snow, Weiss and Guay led Red to victory.
Cozens tied it and Williams won it in OT, putting Canada in the final.
Hockey Canada celebrated the past and looked to the future at a gala to commemorate its 100th anniversary.
Hockey Canada marked 100 years with a special meeting at the Château Laurier, where it all began back in 1914.
The Century Tour rolled into Eau Claire Market as part of the 102nd Calgary Stampede.
The Century Tour made its first stop at ByWard Market in the nation’s capital to help celebrate Canada Day.
Hockey Canada unveiled the branded truck in celebration of its 100th anniversary.
Hockey Canada rolled out the caravan and gave fans a sneak peek at an interactive experience at the official launch in Toronto.
Canada's National Sledge Team Captain, Jean Labonté, takes a run with the Olympic Torch Relay.