W. WHITAKER-HERTFORDSHIRE WELL-SECTIONS. 
59 
Upper 
Gault. 
Little Hadham.—P ord near the river. Made and communicated 
by Mr. G. Ingold. Bored throughout. Water-level 2 feet down. 
Made earth and gravel. 8 1 
Chalk with flints . 54 J 0 
Long Marston.—G ubblecote, near the stream at the end of the 
lane a mile E.S.E. of the old church and just outside the 
boundary of the Upper Greensand, 1885. Trial-boring for 
water to supply neighbouring villages, made for Mr. A. M. 
Brown, of Tring, and Mr. A. J. Jukes-Browne, by H. Mayne. 
Communicated by Mr. Jukes-Browne. 301 feet above Ordnance 
Datum. Water rose at first (April) to within 60 feet of the 
surface, and in June it had risen to within 2 feet. 
Thickness. Depth. 
( Soft blue sandy micaceous marl, yielding 
a little water. 
Hard bluish sandy micaceous marl, almost 
a stone, and like Upper Greensand . 
Grey sandy marly clay . 
Layer of phosphate-nodules with green 
sand at the base . 
Dark blue clay with ferruginous stains. 
Ditto, with lighter-coloured layers of 
iron-pyrites at 130 and 142 . 
Light-grey sandy clay . 
Dark blue clay . 
Light-grey sandy clay, with fragments of 
shells in the middle part . 
Light-grey clay, with a very hard rocky 
layer . 
Layer of phosphate-nodules . 
Dark brown clay, with sand and shells, 
the lower part more sandy and with 
iron-pyrites ..... . 
Blue clay, with phosphate-nodules at the 
base . 
( Hard light-coloured clay . 
I Hard sandy rock. 
| Ditto, with quartz pebbles . 
( Coarse white sand (chisel dropped) 
Much Hadham.—M oor Place, 1887. Shaft throughout. 
level about 98^- feet down, July, 1877 ; about 98f, Pebruary, 
1888. Communicated by Mr. E. E. Berry. 
Thickness. 
Mould . 2 
. 10 
. 17 
Lower 
Gault. 
Lower 
Greensand 
13 
13 
30 
43 
26J 
69i 
H 
70 
50 
120 
31 
151 
9 
160 
11 
171 
15 
186 
H 
187£ 
H 
188 
22 
210 
3 
213 
2 
215 
6 
221 
2 
223 
H 
2251 
DUt. 
Water- 
[Glacial 
Drift] 
Chalk 
Depth. 
2 
12 
29 
bla y J (Brown clay . 2\ 31] 
Gravel and clay, concreted . f 32 
] Grey gravel .. 4 36 
Grey sand ..* 6 42 
Red gravel . 8 50 
Grey gravel, with large stones . 2 52 
(Yellowish-brown clay . 6 58 
; Soft yellow chalk . 12 70 
| White and yellow chalk, harder 3 73 
( Hard white chalk, with flints 44 117 
