29.6.5. No. 160.) 'To face page 744. 
Fig. 1.—Sechion at Waterworks, Richmond, Surrey. 
(Seale, 150 ft.=1 inch.) 
Made Ground............ 
Surface, 16°94 ft. above O. D. 
andl (ee 
Ordnance Datum. 
en) 
3 
3) 
i 
| 
o 
™ 
er 
London Clay. 160 ft.... Clays, with Septaria. 
170 ft. 
