Methods of Pumping 



\M 



327 



J 



Fig. 80. Shadoof of Egypt, or Paecottah of India. (Wilson, 

 U. S. Geol. Survey.) 



Taking an average 8 -hour day for pumping, the above 

 pumping plant should irrigate during a 100 -day season 259.4 

 acres to a depth of 12 inches and 129.7 acres to a depth of 

 24 inches, at a total cost for pumping of $420.23. 



