The Glacial Lake Agassiz PDF Download

"By comparison, today's Great Lakes are puny. But not so long ago, in North America's heartland, there was a lake so vast it swallowed most of Manitoba and surged through parts of Ontario, Saskatchewan, North and South Dakota and Minnesota. It's called Lake Agassiz and some believe it was the largest lake the world has ever known. Born of the melting sheets of ice that had covered Canada and the northern U.S. for millennia, it was a force of nature for 6,000 years. During that time, Lake Agassiz's waters carved huge valleys, blasted through solid rock to create canyons, and changed the climate of Europe for a thousand years. Today, we share its legacy--the seemingly endless prairie that was once lake bottom; the magnificent beaches along Lakes Winnipeg and Manitoba; one of the largest river deltas in the world, and the meandering rivers that sometimes threaten springtime havoc. Yet most know little about this powerful architect of our landscape and our lives. Bill Redekop's Lake Aga