How the Earth Was Made: 1x7
Great Lakes
Scientists seek clues to the formation of North America’s Great Lakes, the largest expanse of fresh water on the planet; delving into an underground salt mine; investigating a fossilized coral reef; diving to the bottom of Lake Superior.
Visited 1 times, 1 visit(s) today
1 - 1San Andreas Fault Feb. 10, 2009
1 - 2The Deepest Place on Earth Feb. 17, 2009
1 - 3Krakatoa Feb. 24, 2009
1 - 4Loch Ness Mar. 03, 2009
1 - 5New York Mar. 10, 2009
1 - 6Driest Place on Earth Mar. 17, 2009
1 - 7Great Lakes Mar. 24, 2009
1 - 8Yellowstone Mar. 31, 2009
1 - 9Tsunami Apr. 07, 2009
1 - 10Asteroids Apr. 21, 2009
1 - 11Iceland Apr. 28, 2009
1 - 12Hawaii May. 05, 2009
1 - 13The Alps May. 12, 2009