If we wave from side to side, like this, about even with our
belts, you boys want to look out for trouble. So one of you keep an eye on us
all the time we're up there. We'll be up outa reach of any trouble ourselves,
if I remember that little pinnacle right." He hung the strap that held the
leather case of the glasses over one shoulder, picked up his rifle and his
rope and started off, with Andy similarly equipped coming close behind him.
The mesa, when they reached the pinnacle and looked down over the wide expanse
of it, glimmered like clear, running water with the heat waves that rose from
the sand. Away to the southward a scattered band of sheep showed in a mirage
that made them look long-legged as camels and half convinced them both that
they were seeing the lost horses, until the vision changed and shrunk the
moving objects to mere dots upon the mesa.
Often before they had watched the fantastic airpictures of the desert mirage,
and they knew well enough that what they saw might be one mile away or twenty.
But unless the atmospheric conditions happened to be just right, what was
pictured in the air could not be depended upon to portray truthfully what was
reflected.
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