506 
GUAYMAS TO SAN DIEGO, CALIFORNIA. 
They were compelled to suspend the survey of the 
Gila about sixty miles from its mouth, in consequence 
of shortness of provisions. They then hurried through 
to the Colorado, and thence across the desert to San 
Diego. All were in good health, though they had 
suffered some hardships like the rest of us. Thomas 
Harper, one of Lieutenant Whipple’s party, was 
drowned in the Colorado. 
