145 
The two last sections did not go through the drift beds ; 
hut at a few hundred yards to the north of the last bore, 
and at about the same elevation also in Three Gates, the 
following beds were found : — 
ft. in. 
Soil 1 o 
Light Marl 4 6 
Sand 0 6 
Blue Marl 5 8 
Sand 11 o 
Brown Marl 10 4 
Sand 17 0 
Blue Marl 7 0 
Sand 2 6 
Brown Marl 7 0 
Sand 4 6 
Marl 33 6 
Loam 2 0 
Marl 2 6 
Loam 21 0 
Sand 50 6 
Hard Stone (Boulder) 1 6 
Stony Marl 2 6 
Hard Stone (Boulder) 1 0 
Stony Marl 30 0 
Book Leaf Marl 4 6 
Mixture 7 6 
Brown Rock 
227 8 
The elevation of the bore hole was 460 feet above the level 
of the sea, and about a quarter of a mile to the West of 
Tandle Hill, which rises to an elevation of 750 feet, and is 
composed of sand and loam to the top, so probably the drift 
beds here may attain the great thickness of 510 feet assum- 
ing that the coal measures at the bore and under the hill are 
on the same level, a thickness much greater than has been 
