Plateau & Obser- 

 vatory Gravels 



Chalk 

 Gault 



o o 

 o 



o • o 

 • o • 



Alluvium 



Lower and Intermediate 

 Terrace Gravels 



Higher Terrare Gravels 



Fig. 38. 



The Cambridge Area : Drift Geology. 



A=The Castle. B = St Bene't's Church. N = Newiiliam. G = Grantchester. 

 T = Trump ington. C = Cherry hinton. Ch = Chesterton. For sources see footnote 3, 

 p. 162. 



