 The Georgian Bay league played an interlocking schedule with the five teams of the Niagara District Intermediate A Hockey League—the Georgetown Raiders, the Dundas Merchants, the Thorold Athletics, Port Colborne and Fort Erie.The Niagara league was founded in 1964.In 1979-80 Georgetown and Dundas joined the Georgian Bay league, which also took in the Orillia Terriers and the Barrie Flyers from the OHA Senior A Hockey League.