152 
Essex Well-Sections. 
Barking. 
Dr. J. Mitchell’s MSS., vol. iii., p. 85. 
Through blue clay to sand and pebbles, ’with water, 57 feet. 
Barking Side. —Missiori Home. 1876. 
Sunk and communicated by Messrs. Docwra & Son. 
Shaft 72 feet, the rest bored. 
Water-level about 66 feet down. 
Surface soil 
Thickness. 
FT. IN. 
2 6 ... 
Depth. 
FT. IN. 
2 6 
[Valley Drift, 
104 ft.] 
f Loam and sand 
2 
0 ... 
4 
6 
Dunning sand... 
6 
8 ... 
11 
2 
Gravel . 
1 
4 ... 
12 
6 
[London Clay, 
Yellow clay . 
2 
6 ... 
15 
0 
148| ft.] 1 
Blue clay . 
141 
3 ... 
156 
3 
Grey [Oldliaven 
?] sand . 
11 
0 ... 
167 
3 
[Woolwich Beds], Green sand ... 
25 
0 ... 
192 
3 
Dark grey Thanet sand . 
51? 0 ... 
243 
3 
Chalk and flints 
145 
0 ... 
388 
3 
Birchanger. 
Sunk and communicated by Mr. G. Ingold, of Bishops 
Stortford. Shaft. 
Boulder Clay, 20 feet; London Clay, 47 feet; total 67 feet. 
Sandy at bottom, with water. 
Brook Street. —On the high road W.S.W. of Brentwood. 
Dr. J. Mitchell’s MSS., vol. iii., p. 75. 
Water got after passing through about 340 feet of clay, 
and rose to within 100 feet of the surface. 
Broxted. —Sucksted Green. 
Sunk and communicated by Mr. G. Ingold. Shaft. 
Thickness. Depth. 
White and brown clay. 14 ... 14 
Chalky sand and stones ... 2 ... 16 
Bine clay. 18 ... 29 
Sand . 11 ... 40 
Bine clay. 19 ... 59 
Sand and gravel. 24 ... 614 
Chadwell Heath P. “ Between Chadwell Street and the turn¬ 
pike-gate near the 10 mile-stone on the road from Iiomford to 
London .” 
Dr. J. Mitchell’s MSS., ? vol. iii., p. 72. 
