Then it's up to the top of the cliffs above the river bend to get a look down river and across to what happened in the geologic past.
Dr. Taylor points out the massive land slide that came crashing down and may have dammed the river to form a lake, and eventually the Whitehorse Rapids that we are about to go rafting down.
The class continues further up the hill where Jason can get some cell coverage to call his daughter and wish her a happy birthday.
