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Did You Know?

The falls that Patrick Gass wrote about were the Great
Falls of the Missouri River. Lewis and Clark expected it would
take a couple of days to move the canoes around the falls. It actually
took over a month and they had to haul the canoes 18 miles around
5 waterfalls.

Classroom Activity #12
Have students measure 3 ounces of ice and draw a circle measuring
7 inches in circumference. Have they ever seen hail of this weight
and size? What would they have done to protect themselves?

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