U5 



TABLE 



Qf the mean Altitude of the Waters of the Missis-^ 

 sip^iiat JSTatchez^from the lowest Ebb to thehi^h^ 

 est Elevation* 





Days, 



Alt, feet. 



January • 

 • • 



1 



• 15 



• 25 



SO 



February • 



1 



. 15 



• 35 



40 





March 



1 



45 





15 



. 4T 



• 



April 



• 1 

 15 . 



48 

 . 48 U2 



• 



TVTotr 



ividy • • 

 June • 



1 

 15 

 1 



49 

 . 50 



50 



• 



15 



• 48 



July 



• • 



1 . 

 • 15 



. 45 



40 



August • • 



. I . 



. 20 



• • 



. 15 



. 10 



September • 



. 1 . 

 • 15 • 



7 



. 5 



• • < 



October • • 



. 1 







• • 



. 15 



. 



Jsfovember 



» 1 . 



5 





. 15 



. 10 



Pecember 



1 . 



15 





• 15 



. 2Q 



9 



