"The Great Lakes contain about 6 quadrillion gallons (23 quadrillion liters) of fresh water. That is enough to cover the entire United States with water 9.5 feet (2.9 meters) deep. Discover more in Great Lakes, one of the titles in the Natural Wonders of the World series"--From the publisher's web site.
An introduction to the Great Lakes describing their location and the history of their formation, plant and animal life, discovery and early settlement, environmental issues, and more.
An introduction to the Great Lakes describing their location and the history of their formation, plant and animal life, discovery and early settlement, environmental issues, and more.
