The project was undertaken by a subsidiary of British Newfoundland Corp Ltd (Brinco), and was at the time the largest civil engineering project ever undertaken in North America. Eighty strategically placed dikes pooled the vast waters of the Labrador Plateau in the Smallwood Reservoir.
Chute Montmorency, located 13 km east of Québec City at the mouth of Rivière Montmorency where it empties into the St Lawrence River, is the highest waterfall in the province of Québec and the eighth-highest in Canada.
Helmcken Falls is located on the Murtle River at the entrance to British Columbia's Wells Gray Provincial Park, an area noted for its many waterfalls. It is the highest in the park and fifth highest in Canada. Situated in the
The falls have eroded the soft shales and limestones of the escarpment at an average rate of 1.2 m per year and now stand 11 km from their place of origin at present-day QUEENSTON. Their recession rate has been variable though, as the volume of water flowing from the upper Great Lakes controls it.