Mr. W. Whitaker on some Surrerj Wells. 



145 



Mould 



[River Drift] Gravel 



/Yellow clay, rotten , 



[London Clay,) 



73 ft 



Loam 



Sandy clay 



Blue clay oo 



V Sandy clay 



[? Blackheath J Light grey sand 



Beds.] ( Pebbles and sand 



Petrified timber [? lignite] 



Grey sandy clay 



Shelly beds 



[Woolwich and Coloured [mottled] clay 

 Eeading Beds, < Shelly rock 



32 ft.] 



Thanet Sand 



Sandy clay 



Coloured [mottled] clay 



"White marl 



^Pebbles 



Date. 



June 27 

 » 28 

 .. 29 



July 



„ 30) 



iiy 1} 



Hours pumpeil. 



6 (12 to 6) 

 11 (7—6) 



6 (7—1) 

 Started again at 2 



9 (7—1, 2—6) 



8 (7—3) 



8 (8—1, 2—6) 



Water lowered (ft.) 



29i 



32 down to 48 



28 „ „ 47 



1 „ „ 48 



46 



66 

 64 



Water rose (ft.) 



14 in 12 hours. 



sl (from I'to 2). 

 28 m 12 hours. 



„ „ (3i in in- 



terval). 



63 in 40 hours. 

 30 „ 14 „ (3i in in- 

 terval.) 



Pump, of 6 inches diameter, 15-inch strokes, averaged 17 strokes a 

 minute. 



Red Hill. Royal Asylum of St. Anne's Society. 



Made and coramunicated by Messrs. Docwra. 



Shaft 48^ feet ; the rest bored. 



Water-level 84 feet down. ^ , 



Thickness Depth 



(Sand 48 48 



[Lower Greensand.] J Black sand 12 60 



iSand 52 112 



Reigate. Waterworks, in the valley S.W. of the town. Trial- 

 boring. 1868. 



Communicated by Mr. F. S. Courtney (Easton & Anderson). 



