XXIII 
NOTE TO SECTIONS 
Scale of Length 3 inches = 7 Mile same as in Map. 
The Black Part is the Section on the same Scale ; the Blue Colour 
shows the Section with Depths exaggerated 5 times. 
\'S3' 
£ 
!i!Le nCdinlrapgJx Geog'.rap 
J. G.B artkolomew. 
. 
