422 



IRRIGATION PRACTICE 



FIG. 128. Leveler or float. 



water across the low places. Earthen levees cost little 

 and may be made by the farmer, and, although subject 

 to frequent washouts during the first two or three years, 

 give no further trouble after they are once established. A 

 more desirable method, when it can be afforded, is the 

 flume or the pipe to carry water across low places. Tri- 

 angular and rectangular flumes are used. Wooden flumes 



Fio. 129. Shuart grader. 



