W. WHITAKER—HERTFORDSHIRE WELL-SECTION'S. 
57 
Hadham, Little. —See Little Hadham. 
Hadham, Much. —See Much Hadham. 
Harpenden. —Brewery, 1876. Sunk and communicated by Mr. E. 
B. Paten. Shaft 58 feet, the rest bored. 
Clay and gravel 20 (another account says 5) 
Chalk and flints 180 ,, 205 
200 210 
Harpenden. —Kennesbourn Green. Sunk and communicated by 
Mr. E. B. Paten. Shaft 98 feet, the rest bored. 
Clay and gravel 30 [ 9 ^ n 
Chalk and flints 220 J zou 
Hatfield. —Astwick Manor (? Astwick Parm, of the old map, 
2 miles W.N.W. of the town), 1888. Bored and communi¬ 
cated by Messrs. Legrand and Sutcliff. Water-level 25 feet 
down. 
Thickness. Depth. 
Surface ground. 4 4 
(Gravel . 4 8 
Blue clay and stones . 11 19 
Gravel . 5 24 
[Glacial j Blue clay . 15 39 
Drift] ] Gravel . 2 41 
Yellow clay . 3 44 
Bed sand . 5 49 
k Gravel and large stones . 2 51 
/■ i j, f Chalk marl [soft chalk] . 2 53 
1 Chalk and flints . 30 83 
Hemel Hempstead. —Highfield, H.E. of the Eailway Station. Made 
and communicated by Mr. E. B. Paten. Shaft 200 feet, the 
rest bored. 
Clay and gravel ..... 451 o Qft 
Chalk and flints. 351/ 
Hertford. —Panshaws, Brickendon. Por Mr. H. W. Hemain 
Saunders. Made and communicated by Mr. J. A. Hunt, of 
Hoddesdon. About 310^- feet above Ordnance Datum. Shaft 
167 feet, cylinders about 20 feet more, the rest bored. Water- 
level about 178 feet down. 
Drift 
[London Clay, 
152 feet] 
[Beading Beds, 
32 feet] 
Chalk . 
Blue clay . 
Sandy clay. Shell-bed [basement- 
r Grey sands and clay 
- Loamy sands 
( Sand and pebble-bed 
Thickness. Depth. 
6 6 
145 151 
7 158 
17 175 
10 185 
5 190 
129 319 
