IRRIGATION-FARMS AND DRY-FARMS 331 
of agriculture according to their personal inclina- 
tions. 
The scarcity of water 
For the development of a well-rounded common- 
wealth in an arid region it is, of course, indispensable 
that irrigation be practiced, for dry-farming of itself 
will find it difficult to build up populous cities and to 
Fig. 91. Dry-farm homestead, Montana, eleven months after land had 
been filed upon. 
supply the great variety of crops demanded by the 
modern family. In fact, one of the great problems 
before those engaged in the development of dry- 
farming at present is the development of homesteads 
