8 
CAVE AND CLIFF DWELLERS. 
and the offset from the United States 
that projects into Mexico west of here, 
than there is in comparing the fertile 
plains of Iowa or Illinois with Greenland 
or the Great Sahara Desert. 
Everyone familiar with the exceed¬ 
ingly rich lands of the Southwest, when 
so much of it is worthless for want of 
water, knows how valuable that liquid is 
in this region, especially if it occurs in 
quantities sufficiently large for the pur¬ 
poses of irrigation. I have stood on 
land that I could purchase for five 
cents an acre or less, and that stretched 
out behind me for limitless leagues, and 
could jump on other land whose owner 
had refused a number of hundreds of 
dollars an acre, although, as far as the 
eye could see, there was no more differ¬ 
ence between them than between any 
