E. J. Russell and E. H. Richards 



323 



Rainfall in inches ■ 



Chlorine in lbs. per acre 



SEPT OCT NOV DEC JAN. FEB. MAR" APRIL MAY JUNE JULV AUG 



Sept. 1, 1904- Aug. 31, 1908. 

 45 



0/5 

 050 



40 



3 6- 



30 



■2 5 



20 



1 5- 



SEPT OCT NOV DEC JA^ FEB MAR APRIL MAY .lUNE JULY AUG 



Sept. 1, 1908-Aug. 31, 1912. 



03/5 

 350 

 325 

 300 

 2/5 

 250 

 225 

 200 

 1/5 

 150 

 125 

 100 



076 

 0050 



SiPT OCT NOV DEC JAN FtB M«R APRIL MAV JUNE JULY AUG 



Sept. 1, 1912-Aug. 31, 1916. 

 Fig. 3 (coiU.). 



