134 Mr. W. Wliitaker on some Siinrij Wells. 



details of a well-section at Redhill and notices of wells at 

 Wracklesham and Merstham (pp. 101, 142, 148j. 



There are, therefore, published accounts of 225 well-sections 

 in the county (83 + 51 + 86 + 5), and this paper adds 32 more 

 (besides some further information as to two published sections), 

 bringing up the total to 257. 



In the following sections the figures stand for feet, unless 

 otherwise stated. 



[Words in square brackets have been added by the writer.] 



Addington. Croydon Waterworks. 1885-1888. 



An account of the work has been given to the Society by 

 Mr. E. Lovett. See Trans. 1889, pp. 152-154. 



Communicated by Mr. T. Walker, Borough Engineer. 



318f feet above Ordnance Datum. 



Shaft 200 feet (3 feet filled up with concrete), with a short 

 boring. Galleries, in various directions, at 116 to 122, and 132^ 

 to 142|. [In these there were almost dry parts, sometimes for a 

 long way, between springs.] 



Water-level about 68 or 69 feet down. 



Supply in 1893, at the rate of 777,000 gallons a day. 



Thickness Depth 



FT. IN. FT. IN. 



Earth [soil, &c.] 5 6 5 6 



/Chalk, with 7 layers of flints :.... 28 6 34 



Hard brownish chalk rock 10 35 



Chalk, with five layers of flints 20 5 55 5 



Open bed, with flint (water first found) ... 3 58 5 



Open chalk 5 6 63 11 



Flinty j Close bed and flints 2 4 66 3 



Chalk.S Close chalk 6 5 72 8 



Watery open flint bed 2 3 74 11 



Chalk, partly open, mostly close, partly 

 with flints, with some layers of flint 

 (one at the bottom, a foot thick, beneath 



which no more was found) 77 1 152 



/Close bed, and then plum-pudding chalk, 

 I with 3 inches of bine [marl?] at the 



FlintlessJ base 5 157 



Chalk. ) Close bed 12 169 



Curly chalk [? irregular curved jointing] , 



\ with two layers of bine [marl?] 31 200 



[All the Chalk presumably belongs to the Upper division, the 

 flintless character of the lower part being a local accident, 

 probably of no very great horizontal extent.] 



