18 THE BOILING SPRINGS.

 

One of these springs is called the
great geyser. It 1s somewhat larger
than the rest. It has the appearance,
at a little distance, of a large mound.
When you go up the sides of the gey-
ser, as you can do, if you choose, you
find a large basin at the top. It does
not form a perfect circle, being fifty-six
feet across one way and forty-six the
other. In the centre of this mound
there is a hole, going down into the
bowels of the earth seventy-eight feet.
This pipe is some eight feet in diame-
ter. The hot water rises up through
the pipe, and fills the basin made by