n 



o 



o 



a" 



< 

 » 



a 

 bl 



I' 



oo 



X 



a 



< 



OT 



-5 



o 

 u 



100 



2.0 



JAN 



FEB 



APR 



MAY 



JUN 



JUL. 



AUG. 



SEP 



OCT. 



NOV 



DEC. 



CHIWAWA RIVER NEAR MOUTH 



Averoge Monthly Water Quality 



1955 - 1957 



FIG. 27 



59 



