Manchester Memoirs, Vol. IxiL, No. 11. 



Plate I. 



Topographical Map of Manchester contoured at intervals of io feet. 

 Scale, i inch = I mile. 



, < i5 ° ??° 3 , 50 3 ?° 3P° 3q0 230j5O 2J>0 2f>0 ?0 ,Q , po , 00 



