books.google.ca - From Choice: The St. Lawrence Seaway and Power Project was one of the greatest public works projects of the 20th century, connecting the Great Lakes to the Atlantic Ocean by means of seven locks that raised the level of the St. Lawrence River between Montreal and Lake Ontario. After more than 50 years...http://books.google.ca/books/about/Saint_Lawrence_Seaway_and_Power_Project.html?id=pxgOX-bUXVwC&utm_source=gb-gplus-shareSaint Lawrence Seaway and Power Project
