THE HISTORY OF DRY-FARMING 371 
of the population along their lines and for the pur- 
pose of assisting the settlers in the arid West con- 
siderable sums have been expended by the railroads 
in codperation with the stations for the gathering of 
Fic. 100. Using treadmill for threshing grain from small plants on one 
of the Utah experimental dry-farms, 
information of value in the reclamation of arid lands 
without irrigation. 
It is through the efforts of the experiment stations 
that the knowledge of the day has been reduced to a 
science of dry-farming. Every student of the sub- 
ject admits that much is yet to be learned before the 
last word has been said concerning the methods of 
dry-farming in reclaiming the waste places of the 
earth. The future of dry-farming rests almost 
wholly upon the energy and intelligence with which 
