36 Mr. W. Whitaker on some Surrey Wells. 
Croydon. Morland Road. Messrs. White’s Mineral Water 
Manufactory. 1898 ? 
Made and communicated by Messrs. Ister. 
Lined with 190 feet of tube, of 84 inches diameter, from 
2 feet down. 
Water-level 32 feet down. Supply 4200 gallons an hour. 
Thickness Depth 
9 
Well (made ground), the rest bored ......... 9 
OMB, Becccoveesckaccdacsssesecace 17 26 
Dondon Sia {Be GIR Wagiesses tse enscacte<ses 17 43 
7 
[Blackheath ( Dark gravel [pebbles} ...... 18" 61 
Beds, 373 ft.] INOGK terracesdd aie Sbisn cies ocsaswtete > 623 
ht | Ballast [pebbles] ............ 18 803 
| Woolwich and { BIT GIG aye cenegs-ccc-ser=cecees 4 4 
Reading Beds,- Mottled clay .................. 233 108 
424 feet. | | Green sand and pebbles ... 15 123 
[Thanet Sand, {EOCK s-ss-assssssesessesseeseee 3 > 138 
41 feet. ] Sandetone [firm sand] ...... 23 149 
(Dank loamy sand ............ 15 164 
jel, Bi wesereetcnscscnemeeet anes 8 172 
[Upper Chalk. | - Chalk andiflintie aicovecscs 51 223 
SE EN 127 350 
Croydon. Gas Uo. Thirdwell. 1898. 
Made and communicated by Messrs. Leeranp and Surcuirr. 
Water-level 44 feet down (June). 
Thickness Depth 
2 2 
WOllPcratecvecapesscsttemncescnadecsecce as cuveddanans 
[River] Gravel ...... Sir apes Bee a 41 4 
. Mottled clay .......:.....s000 133 20 
Beaty vs ad {Sandy aay PeAccE eaCo basec 4 24 
2 feet. | ( s », and pebbles ... 14 38 
(GEGY BANG ccsane sas 0scecNen ses 2 40 
[PhanetSand, )) Dark. 3,0 j.cccsasssssteeese sem 30 70 
36 feet. | DiGam'y ‘SALIG iee. cconcecvesss es 3 73 
Groen flints ...<.cecs..scc0ees 1 74 
[Upper Chalk, (Chalk and flints, sticky ... 179 253 
3304 feet.| ( ,, py hard...... 1514 4043 
Croydon. The Jolly Sailor, Norwood. 
From §ir J. Prestwicu’s MSS. 
Depth 140 feet. Water found in the pebble-bed [below 
London Clay]. 
London Clay, 70 feet. 
Bed of clayey limestone with shells [? Woolwich Beds] at 
80 feet. 
