\Z RM. 6AM. 



'N. 



PLATE 16 



6RM. 12 RM. 6A.M. 



6 RM. 12 RM. 



Observed elevations 



OCT. 27, 1910 



Observed elevation 

 Barometric effect 



Wind effect 



Corrected elevation 



Observed and corrected elevations of water surface, Buffalo, October 26-27, 1910, 

 and Cleveland, October 27, 1910; also barometric effects and wind effects. 



