50 
DE RANCE : UNDERGROUND WATERS IN LINCOLNSHIRE. 
Ft. 
In. 
Ft. 
In. 
2 
0 
Soil 
... 2 
0 
7 
0 
Stone 
... 5 
0 
20 
0 
Grey Sand 
L Kellaways Beds 
... 13 
0 
27 
0 
Blue Clay 
J 
... 7 
0 
31 
6 
Stone 
Cornbrash ... 
... 4 
6 
43 
57 
0 
0 
Green Clay 
Dark Clay 
1 Great Oolite Clay 
... 11 
... 14 
6 
0 
62 
76 
0 
0 
Stone 4 ft., 
Shell Rock 
Cky]ft - j Great Oolite 
... 5 
... 14 
0 
6 
80 
85 
2 
6 
Green Clay 
Stone 
| Upper Estuarine 
... 5 
... 15 
4 
0 
100 
6 
Clay ... 
... 15 
0 
107 
0 
Stone Lincolnshire Limestone 
... 5 
6 
Grimsby Waterworks Co. Wells. Collected by C. E. De Ranee 
from Messrs. Mather & Piatt, Manchester. Boring west of Grimsby. 
From surface. Thickness. 
Ft. In. Ft. In. 
21 0 i. Very Soft Clay, full of vegetable matter .. 21 0 
24 6 2. Gravel and Sand ... .. ... 3 6 
29 6 3. Clay ... .. ... 5 0 
31 6 4. Rough Gravel and Small Flints .. .. 2 0 
33 6 5. Fine Soft Clay and Small Flints ... ... 2 0 
45 0 6. Rough Gravel .. ... ... ... 11 6 
60 0 7. Fine Gravel . . ... ... ... 15 0 
75 0 8. Chalk, very hard. Water then rose to 4 feet [_ 
above the surface in large volumes ... f 
75 0 
Boring east of Grimsby, near Cleethorpes. 
From surface. Thickness. 
Ft. In. Ft. In. 
84 0 Stiff Bluish Clay, with flakes of chalk .. 84 0 
99 0 Sand and Gravel ... .. ... 15 0 
224 0 Chalk, with flints in beds ... .. ... 125 0 
224 0 
