Stiirey Wells and their Teachimjs. 49 



[Valley f Light soil and flints 8 



Deposit.] I ,, merging into rubbly chalk 10 



/■Kiibblv chalk 31 



Hard chalk 9 



Chalk. -^ Very hard chalk 26 



Kotten clayey chalk 1 



iGrey chalk 139 



224 



Chertsey. — Breivenj. 1872. About 100 ijanh from the western 

 side of Guildford Street, dhout inidwdij between the church and 

 the ndhoaii-station. 



Commuuicated by Mr. E. Swain. 



Water overflows at the rate of about 600 gallons an hoiu-. 



Shaft 40 feet (1867) ; the rest bored. 



Surface-mould and loamy clay about 5 



Gravel and sand 35 



Dark sand 4 



Blue [London] Clay, with many beds of Clay-stone [septaria] 386 



/ Mottled clay (perhaps the top part may belong 



[Beading Beds, L to the London Clay) 50 



Q^ ft 1 •{ Greenish sand, with water 6 



'-' j Brown clay 25 



iHard gx"een sand 12 



Chalk and flints 151 



674 

 Mr. T. Tilley tells me that he found chalk at 51-7 feet in a 

 well at Chertsey. 



Coulsdon. — Asylum [Smitham Bottom). 1878. 



Sunk and commuuicated by Messrs. T. Docwra & Son. 

 Shaft throughout. 

 Water found at 97^ feet. 



Loose ballast 6 



Loose chalk 30 



Chalk 5 



Chalk - Hard grey chalk and flints 13 



Hard chalk, with two layers of flints 43i- 



^ Chalk and flints 1 



98^ 



Croydon. — Gas-works (Waddon). 1868. 

 Commuuicated by Mr. B. Latham. 

 Shaft about 40 feet ; the rest bored. 



A failure as regards water- suj)ply from the Chalk. Bore-hole 

 filled up, and water got from Tertiary sands. 



