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Software for the Macintosh Millennium . . . |
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Niagara Falls is the massive collection of waterfalls where the Niagara River flows from Lake Ontario to Lake Erie. This picture shows the Horseshoe Falls fed from the Niagara River in the background. |
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Four major glaciations (ice ages) have occurred during the past two million years. The greatest advance of the glaciers took place during the last half-million years. During the last glaciation the ice masses gouged out the basins of what became the Great Lakes. |
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Copyright © 1994 2012 Trilithon Software |
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Page Updated 2011 December 10 |