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22. Valleys.

  
  

Is there a wide valley
near your school? Is
there a narrow one?

Which of the valleys in
the pictures are very deep?
Which have steep sides ?

Point to a valley whose
sides have gentle slopes.

The sides of all valleys
are slowly wasting away.
Can you tell why?

In some places, deep val-
leys with steep sides are
called caions. In other
places they are called
gorges.

Do you see the ice river
m one of the valleys? This
ice river, or glacier, moves
only a few inches a day.
What do you think becomes of the ice?

Some valleys are so wide that we cannot see across
them. Some are in low land, and others are in high land.