But the wind slides eastward over its opaque surface in vain, till it reaches the living surface beyond.
The highway department would periodically close the road and, using explosive devices, create slides in a controlled condition, lessening the chance for a surprising and perhaps deadly run loosed by nature on the unsuspecting below.
While back-country skiing was also popular, the ever constant danger of killing snow slides made marked trails a safer method of enjoying this vigorous sport.
These slides are shown in fig.
The slides are accurately fitted so as to have no sensible lateral shake, but yet so as to move easily in the direction of the greatest length of the micrometer box.