1906 



FORESTRY AND IRRIGATION 



247 



sible. It is doubtful if a single cow 

 could find subsistence on the area 

 which now supports a family. 



the adjacent ground. On this pud- 

 dled earth the banks are built at a 

 height of from 4 to 10 feet. These are 



a 

 in 

 n 



< 



o 



o 

 O 



to 

 1-1 



a 

 n 



3 



A section through one of these 

 small reservoirs shows at the bottom 

 the puddled earth or clay that pre- 

 vents the water from seeping into 



usually built by plowing and scraping 

 up the earth from the outside, the 

 tramping of the horses and the men 



When the 



serving to consolidate it. 



