PLATE 7 



t 



-\5 



TIFEALO 



\ 





.60 



"lib" 



.40 

 .30 

 1J72.20 



52 



1Z 





.40 



X 



.30 



572. 20 



.60 



572.50 



JUNE 1,1910 JUN 



:e 



JUN 



: 11 



JUN 



'. 16 



JUN 



E 21 23 



JUNE 23 JUN 



E 28 



JUL 



JUL 



8 



JULt' 13 15 



\ 



.30 



572.20 



7Y~7 



.50 



-v 



t'LAfa/FjkjT? MEA?i 



.30 





572.20 



Rainfall + inflow outflow 



v Observed Corrected for barometric 



and wind effects Record missing 



Elevations of water surface, Lake Erie, June 1-July 15, 1910. 



