74 Mr. W. Whitaker on some Surrey Wells. 
Thickness Depth 
3 
; Viallow: clays icesceseues ces 573 574 
[London Clay. Dark saa eth pebbles i 58 
[Oldhaven Beds { Light-coloured sand ... 5 63 
16 feot.})/+44 Dark sand......5.0..20060.. 11 74 
Blue stone..............000. 1 75 
Shells and sand ......... ut 79 
: Wericclany/s.scccsstestessaes 2 81 
RA hae seis Shells aatd BES, escoecons 5 86 
eading Beds, BI 1 7 862 
31 feet. | HENLE Misatadasoranasticde 3 3 
Mottled clay..............- 153 102} 
Light-coloured sand . 4 ©1023 
Sand and pebbles ...... 2+ 105 
1? Woolwich & (Greensand ............44. 19 124 
Thanet.] (Thanet sand............... 38 162 
(CUNBIIES | Gcosndauccbgockoanecocoos toad aces seooes 78 240 
This differs in details from the account of the trial-boring 
(printed in the ‘ Transactions’ for 1894-5, p. 187). The London 
Clay is made a little thinner, the Oldhaven Beds a little thicker, 
and the depth to the Chalk 3 feet less. 
Croydon. Surrey Ironworks (Messrs. Measures), Pitlake. 1902. 
(Within 100 yards of the Ice Co.'s well, described in 1901.) 
Bored and communicated by Messrs. Duxe & OcKkENDEN. 
River Drift.| Sand and gravel............ 
Woolwich and (Blue clay ......:........00. 22 37 
Reading Beds, [xetow Cliivimasettaceraccees 11 48 
40 feet. | Green sand and clay ... 7 55 
Green and white sand 3 58 
[Thanet Sand, (White and black sand... 123 702 
50 feet. | leer BAUIG so ccctertprsnes 27 973 
Sand and clay ........... 4 105 
CHERAAMOMHITIUS sesnescarsasecsaesesseetenmhnetas 195 300 
Another account mades the depth to the Chalk 118 feet. 
Dorking. Messrs. Young’s Brewery. 
Made and communicated by Messrs. Ister & Co. 
Water-level 4 feet down. Supply 6000 gallons an hour. 
Thickness Depth 
6 
Pi bircdond ced sdeiiecs eesaeedencct ceca oes — 
[Running BAN Gece sastessese dad vended 146 152 
Lower Sandstone and running sand 3 155 
Greensand. | Red sand and sandstone ...... 6 161 
RG GISATIO er ccs sccavecsceceess+esnecs 3 164 
Sand and sandstone .........++ 21 185 
ee 
