ON THE CIRCULATION OF UNDERGROUND WATERS. 



385 



"With, this section it is interesting to compare the red beds, probably 

 Triassic, in the following section : — 



Crossness Junction Out-fall Works. New well : — 



- 



137 



1003 



Feet 



River drift, gravel 39 



"Woolwich beds 47 



Thanet sands 51 



Chalk 631 



Upper Greensand 65 



Gault ; phosphate at bottom 170 



Sandstone, very hard — ' 



Grey sand 13 



Red marl 4 



Greysandrock 18^ 



Red marl 4" 



Red marl, with blue veiDS 3 



>- Red rocks. 



1045 



1878. 



c c 



