48 DE RANCE : UNDERGROUND WATERS IN LINCOLNSHIRE. 
Ft. In. 
36. Dark Blue Compact Shale, with bituminous bands 13 9^ 
37. Very Inflammable Shale ... ... .. 0 2 
38. Hard, Dark, Blue, Compact Shale ... ... 3 8 
39. Clay (iron) stone ... ... .. ... 1 0 
40. Ditto, but not so hard ... ... ... 10 
41. Hard, Dark, Compact Shale, like 38 ... ... 22 10 
309 0 
Grantham. 
Boring on Messrs. li. Hornsby & Sons, Iron Works, at Spittle- 
gate. 
Ft. In. Ft. In. 
832 0 Lower Lias ... ... ... .. 832 0 
853 4 Rhcetic ... ... ... ... 21 4 
Keuper Marl ... ... ... ■••( + ) 
Melton Mowbray. 
Town Supply, boring 200 yards west of the North Station. 
Surface level 260 feet above the sea. 
Ft. In. Ft. In. 
38 0 Drift Clays ... ... ... ... 38 0 
268 8 Lower Lias Clays ... ... ... 230 8 
285 0 Rhoetic ... ... ... 16 4 
476 8 Keuper Marls ... ... ... 191 1 
533 0 Keuper Marls, with sandstones ... ... 56 4 
Water was yielded by gypsum beds in the mails, and by the 
sandstones below them, and rose to 120 feet below the surface, or 
140 feet above the sea level. 
Bourn. 
Spretchley's Brewery for the Spalding Waterworks. 
Ft. In. Ft. In. 
20 0 Fen Beds ... ... ... ... 20 0 
28 0 Cornbrash ... .. ... ... 8 0 
63 0 C Great White Clay .. ... 35 0 
75 0 t Great Oolite ... ... ... ... 12 0 
90 0 Green and Yellow Marl ... .. ... 15 0 
