54 
W. WHITAKER—HERTFORDSHIRE WELL-SECTIONS. 
Aston.— Rectory, 1886. Made and communicated by Messrs. 
Tilley. "Water-level 75 feet down. 
1 
f Gravel. 
Thickness. 
. 16 
Depth. 
16 
[Drift] < 
| Yellow clay 
4 
20 
| Blue clay 
..... 12 
32 
1 
( Sand and sandstone 
..... 45 
77 
Chalk 
..... 30£ 
107| 
Berkhamsted. —Waterworks, High Street, next the Town Hall, 
1866. 340 feet above Ordnance Datum. Sunk and communi¬ 
cated by Mr. R. B. Paten. Shaft 10 feet, the rest bored. 
Water stood within 8 feet of the top, the quantity pumped 
being about 50,000 gallons a day, according to ‘ A Treatise on 
Waterworks/ by S. Hughes, p. 218 (1875), whence the 
figures in brackets are taken. 
[Drift] | Q r ^ el ;;;;; 4 (6 ) 
Chalk-with flints ..... 200 (198; 
Berkhamsted.— Messrs. Lock and Smith’s Brewery, 1876. 
and communicated by Messrs. Tilley. 
Clay and gravel 
[? Upper and 
Middle Chalk] 
Thickness. Depth. 
14 
14 
Soft chalk 
50 
64 
Hard chalk . 
36 
100 
Hard chalk, with flints 
50 
150 
„ Hard chalk, with water 
10 
160 
Hard chalk, with flints 
40 
200 
Limestone .. 
16 
216 
Soft chalk 
14 
230 
vHard chalk ... 
30 
260 
Made 
Bishop’s Stortford. —Plaw Hatch, E. of the Town, 1878. Made 
and communicated by Mr. G. Ingold. Shaft 87 feet (partly 
old well), the rest bored. Water-level 95 feet down. 
Thickness. Depth. 
[Alluvium] Peat . ? ? 
Boulder Clay, with a large boulder (2 feet 
thick) at 47 feet .. 
? 
58 
[London Clay, 1 
19 feet] | 
Hard brown clay 
Dark sandy clay 
2 
3 
60 
63 
Hard brown clay 
14 
77 
Dark grey sand 
2 
79 
Dark clay . 
6 
85 
[Beading Beds, 
Bed sandy loam 
2 
87 
35 feet] 
Bed and green loam. 
6 
93 
Green clay .. 
18 
111 
Flints.. 
1 
112 
Chalk, with many 
flints .. 
100 
212 
There is some doubt as to the division between the London Clay 
and the Beading Beds. 
