VOL. XVI. (1) WATER-SUPPLY AT LEIGHTERTON 37 
ON THE WATER-SUPPLY 
AND 
OCCURRENCE OF FOREST-MARBLE CLAYS 
AT 
LEIGHTERTON, SOUTH COTTESWOLDS 
BY 
L. RICHARDSON 
(Read November 13th, 1906.) 
During a visit to Leighterton, near Boxwell, in the South 
Cotteswolds, made recently in company with Mr Walter 
B. Wood, with a view to ascertaining the advisability of 
continuing a well-sinking, some information, which it 
appears desirable to record, was obtained. 
The site for the village was obviously determined by 
the occurrence of water held up by a patch of clay, which 
is approximately co-extensive with the village. The clay 
has been preserved from denudation by the basin-like dis- 
position of the strata. While the present plane of denuda- 
tion cuts across the outcrop edges of the environing 
Great-Oolite limestones, it comes above the clay in the 
hollow. 
The clay must be at least 25 feet thick, judging by the 
fact that a well 20 feet deep (situated at a distance of about 
7o yards slightly north-of-west of the Church) was com- 
menced, and, of course, terminated in clay. This well 
