"Both," shouted Nance. "Mostly boulders."

The rain has loosened them and they are raining down on us. We're lucky
we had this shelf to get under."

"From the present outlook I am afraid the shelf isn't going to protect
us much longer," said Tad.

"Keep close to the wall and you will be all right. It won't break off
short up to the wall. I've seen rock slides, but never anything quite
like this. You see, the spirit of the Canyon was right," nodded Nance.

"Spirits? What spirits?" demanded Chunky. "Is this place haunted?
Don't tell me it is. Haven't I got enough to worry me already without
being chased by ghosts?

"Chased by goats?" shouted the Professor.

"Who said anything about goats?" retorted Stacy. "I said g-h-o-s-t-s,
spooks, spookees or spookors or whatever you've a mind to call them."

"Oh, I hope you are not losing your mind, Stacy."

"Might as well lose my mind as to lose my life. Mind wouldn't be any
use to me after I was dead, would it?"

"The storm is dying out," called Ned.

Tad started to step from under the shelf, Nance grasped and hauled him