W. WHITAKEE-HEETFOEDSHIEE WELL-SECTIONS. 
63 
Thoeley continued :— 
[London Clay? 
and 
Reading 
Beds] 
Chalk. 
Thickness. Depth. 
Clay ... 
2 
81 
Sand ..... 
11 
92 
Mottled clay and sand 
8 
100 
Blue loamy sand 
10 
110 
Mottled clay and sand 
.Pebbles and flints 
13£ 
123£ 
H 
126 
Chalk and flints 
5 
131 
Discoloured chalk 
16 
147 
White chalk and flints 
53 
200 
Walkebn. —Information got by Mr. A. C. G. Cameeon. 
Boxhall Farm , a mile west of the village. 
,[Boulder] clay 30 ) . Qn 
Chalk . 160 J 
Clay End Cottage , a mile south-east of the village. 
[Boulder clay]. Blue clay and chalk-stones 80 ) inn 
Chalk . 20 \ iUU 
Victoria Brewery .—From notes by Mr. Holland, manager, 1876. 
Old shaft 100 feet, the rest bored. "Water stands 12 feet 
down, and the yield is 12 barrels an hour (1889). 
Soil. .j 
[Boulder Clay]. Blue clay and chalk-stones, with > 200 ) 
gravelly seams .) \ 300 
Soft chalk, with a very hard bed at the top . 100 ) 
The last two sections seem to point to the occurrence of a deep 
mass of Drift in the Chalk valley, perhaps a channel of a like kind 
to that in a neighbouring part of Essex (Cam Valley) described in 
‘ Quart. Journ. Geol. Soc.,’ vol. xlvi, pp. 333-340 (1890). 
Waltham Ceoss. —Gasworks, 1880. Made and communicated by 
Messrs. Tilley. 
Thickness. 
[River Drift]. Gravel.. 12 
Blue [London] clay . 43 
rnDojni f Mottled clay ..... 13 
1 ^ { Sand and pebbles. 57 
Chalk and flints . 85 
Waee.— Mr. Clark’s. Made and communicated by Messrs. Legeand 
and Sutcliee. Water-level 74^- feet down. 
Thickness. Depth. 
Dug well (the rest bored).. 
— 
4 
f Clay and stone. 
13 
17 
I Flints . 
f 
17* 
19f 
1 Clay and flints ...., 
2 
[Drift] <{ Clay mixture .... 
• n 
29A 
1 Clay ..... 
7 
36A 
1 Clay and pebbles 
45 
l Gravel . 
. 13 
58 
Chalk . 
. 54 
112 
Depth. 
12 
55 
68 
125 
210 
