The Most Recent Glacial Period
(commonly referred to as "the last ice age")

The map shows the extent of the ice sheet about 15,000 years ago. The huge glacier, called the Laurentide Ice Sheet, grew southward from Canada covering much of northern Montana beneath hundreds of feet of ice. BACK

CLICK HERE to learn more about ice ages.

Web Site Created by Rod Benson
Earth Science Teacher at Helena High School

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