The Great Lakes - St. Lawrence Lowlands -- Film Description:
"A survey of the history and development of the Great Lakes and St. Lawrence lowland area to the early 1950s is presented. The physical structure, climate, vegetation and settlement are interwoven with a glimpse of the farming, manufacturing, transportation and urban patterns of the region."
-- National Film Board of Canada

Source:
National Film Board of Canada. "NFB -- The Great Lakes - St. Lawrence Lowlands." National Film Board of Canada. http://onf-nfb.gc.ca/en/our-collection/?idfilm=11588.