Mr. W. Whitaker on some Surrey Wells. 49 
Thickness Depth 
; 12 
Made ground ....ssssssseceesessseneeeeeetsnsnaeeeeesnsnerees 
te ee eg oe 
NSTC ec cathchsasccscand'sssesnitenaeressaautae 2 24 
: F Ballast, the lower part coarse. To 
[River Drift] blue [London] clay ...........0+0s 8 32 
SournwarK. South London Brewery, Southwark Bridge Road 
2 g 
(Messrs. Jenners’). 
Made and communicated by Mzssrs. Ister and Co. 
Water-level 1144 feet down. Supply good. 
Thickness Depth 
FT, IN. FT. IN. 
Dug well (the rest bored) .............+: iiedbseepceettocn —— 15 0 
|River Drift, iany RMA caecseranadancsefacsst-<enes- 12.0 2%. 0 
19 feet. | Ballast [gravel] .........s:.ssseceeeeees 7 0 34 0 
Blue [London] clay ......cccsseeeesseeeesseneeseeneaerenes 75. 0). 109; 0 
Mottled) clay, «....c.cnssscacenscensceees 22; 9 131 9 
LONE ace peat aneeenccaeiaescndesa t= oes 1 ORS 9 
: Sand and mud__........ssceceeeeeeseees 4 6 137 3 
[Woolwich and} yrottied clay and pebbles ............ 14 8 151 6 
Reading Beds, Sees 
563 feet. Congealed |concreted] ballast ...... 1 6 153 0 
aa PED GOS ie ariccreacasetararaasececethessutss 0 9 153 9 
Sand and ballast .........seeeeeeeeees 3 3 157 0 
Clay and pebbles .........eseeeeeeeee Secor Looked 
Green [Thanet] sand ..........ccseseeseeeeeeeeeeeeeeeeeeees 37 5 2038 2 
brake AIMGS] caeee-eeeacadeanaccecccctscccaassssusseesee ode 129 10 333 0 
This section shows a curious likeness to another, at Bankside, 
near by, published in the ‘Geology of London,’ vol. ii. p. 218. 
There is, too, a general agreement with the sections at Barclay’s 
brewery, also near by (pp. 219, 220, of above.) 
Streatham Common. Messrs. Forster and Gregory’s Chemical 
Works. 
Boring made and communicated by Messrs. Istur. 
Lined with 80 feet of pipe, 10 inches in diameter, from 64 feet 
down. 
Water-level 43 feet down. Supply 8000 gallons an hour. 
Thickness Depth 
Well. Believed to be gravel and sand over blueclay — 67 
Blue [London] clay .....csssceeseeceeesseeseeeeeenseeeseeees 5 72 
[Reading Beds, { Mottled clay .....-+.+++sssseeseeeerereeees 16 88 
28 feet. | Green Sands .....ccceeceesecseeeeeeeeeeees 12 100 
Blowing [Thanet] samds ........-sseccseeeeeeeeeeneeeeeeeees 29 129 
(ceo) eR ce ean aaa Se OTe 8 187 
[Upper Chalk.) | Ghatk and flints s.cscssscsssssssseeeee 97 284 
