Mr. W. Whitaker on some Surrey Wells. 79 
Thickness Depth 
(Chalk and flints <.............ccesese 21 453 
Chalk with less flints............... 39 842 
Grey chalk [? marl-layer] ...... 14 86 
| Chalk and flints in layers ......... 29 115 
Chalk and flints, with grey layers 23 «138 
Wikhttovebralle sre scrccecsssse coset «s 492 187% 
Upper and |! Chalk marl ..............c0ccceeceeeee 4i 192 
Middle Chalk. | Grey chalk ..........ccsccecsseseeeees 59 =.251 
Grey, chalk marlicd../. 020 cs08esesc 5 256 
t White: chalk ......scsssseseccascecnsces 4 260 
Groyuchialley cc cieeccsses cater ctseceiens 28 288 
White rock chalk  ..............00 24 312 
Rock chalk with flints ............ 6 318 
MelbpuTn TOGKY” <2....daces.-ce cree, 11 += 329 
) Apparently the Upper Chalk goes to 188 feet, and then the 
Middle Chalk is reached, if the identification of the bottom bed 
as Melbourn Rock be right. 
Guildford. Near the Wey, about half a mile north of the railway 
station. For the Woking Water Co. 1899. 
Made and communicated by Messrs. Lecranp & Surcuirr. 
Overflowed (September). 
Thickness Depth 
3 3 
. RN pe rrascent es sarsiie a tps 20u noses cman 
Pavia): Gipy) ae 
[River Drift.] Sand and gravel .............s00ee00 10 15 
Blue [London] Clay. A little sand and shells in 
the lowest 15 feet. Pebbles at the base 52 67 
Brown and blue clay ............++ 6 73 
[Reading Beds, | Coloured [mottled] clay............ 51 124 
73 feet. | CRIPEDISATION.; .cateesa cee. cudnctskshces 15 189 
: Pebbles and flints ...........sse0008 1 140 
PIR QOL TATAGS s cwunnpanbiassnashiasa anes dacwed daqasnsia 167 307 
Guildford. West Surrey Dairy Co. 
Boring made and communicated (1901) by Messrs. Ister & Co. 
Lined with 90 feet of tubes, of 4 inches diameter, 2 feet 
down. 
Water-level 73 feet down. 
Thickness Depth 
Well (ald): so. cccliscdsewpstciannendsaxndawes — 74 
Chai ces sasdevavaduens 7 81 
Chalk and flints ... 60 141 
[Upper Chalk.] + Flints ............... 6 147 
(Hara Ohial ks s.52.2 00 3 150 
Chalk and flints ... 100 250 
