sandstorm. "Down! Everybody down!" Overland girls nearly buried
under drifting sands, and camp equipment is wrecked and blown
away. "The water hole is lost!" announces the guide.


CHAPTER XI--FACING A NEW PERIL

Ponies stray away in the storm. On the trail of the missing ones.
The Overland girl makes a capture. Headed for Death Valley. Grace
Harlowe is lost, but doesn't know it. Hi Lang goes to the rescue
and follows her trail.


CHAPTER XII--A BITTER DISAPPOINTMENT

"We must find water!" declares Hi Lang impressively. The search
for a desert "tank" begun by the weary Riders. Directed to smell
for water. A thrilling discovery. Hopes dashed to earth. "Get back
to your positions!" orders the guide.


CHAPTER XIII--A STARTLING ALARM

Supper is eaten without water or tea. Hi Lang shows the girls how
to extract food and moisture from a cactus plant. "This is
heavenly!" gasps Emma, and wonders why they did not bring an
artesian well. Shouts and screams suddenly disturb the camp.


CHAPTER XIV--THE MYSTERIOUS HORSEMAN