The Natural History of a Changing Region
by
Wayne Grady, Bruce Litteljohn
Language: English
Release Date: April 15, 2011
Five immense lakes lie at the heart of North America. They comprise the world's largest freshwater system, containing 95 percent of the continent's fresh water, and one-fifth of the planet's total supply. The Great Lakes drainage basin is home to 40 million people and is the hub of industry and agriculture...