162 
Essex Well-Sections. 
Rettenden. —Battle Bridge. Mr. W. Clarke's, about half 
a mile from the River Crouch. 1884. 
Probably about 80 feet above high-water mark. 
Sunk and communicated by Messrs. Legrand & Sutcliff. 
Bored throughout. Water-level 64! feet down. 
Top soil . 
[London Clay.] 
[? Beading 
Beds,] 
Thickness. Depth. 
Clay, with occasional 
104 
... 10 | 
thin clay-stones ... 
395 
... 405! 
J Sandy clay . 
8 
... 4134 
v Stone. 
1 
2 
... 414 
f Green sand . 
7 
... 421 
1 ,, ,, with water 
2 
... 423 
It is possible that the green sand may be merely the wet 
sandy basement-bed of the London Clay. Even if not so the 
depth to the bottom of the London Clay would be 414 feet, 
which shows a great thickness of that formation, the top part 
of which is not here present. 
Roydon Hamlet. —Old Rouse Farm, near Brickworks. 
Sunk and communicated by Mr. (L Ingold. 
Lug throughout. Strong spring from the gravel. 
I Bine [Boulder] clay, with stones. 
Some gravel from 80 to 40 feet 
[Glacial Drift.] -i down . 63 
I Yellow loam . 8 
\Pebbly gravel and sharp sand . 11 
77 
Sheering. —Coffee Tavern. 
Sunk and communicated by Mr. G. Ingold. 
Shaft. Water rose 14 feet from the bottom. 
White and blue Boulder Clay 43 feet. 
Shelley [near Ongar). —Cottages near the Red Cow Inn. 
‘ Chelmsford Chronicle,’ March 22, 1878. 
Lark marl, bedded with much small chalk and shells, about 30 feet. 
Hard rock of cemented gravel. 
Fine mud, bored through a short distance to water f? London Clay]. 
