4

part of the work, the expense of which is however taken into account in the estimate.

+

Nature of the Ground under the Bed of the River at Rother- hithe in a line contiguous to that now proposed for opening

the Tunnel. Nineteen Bores having been made in that line, the result was

as follows:— Fect. Inches.

Greatest depth of water at high-water ate ieee The bottom of the River consists of a bed of gravel and sand, the thickness of which is about-- 4 0 Clay mixed with sand- oe gr OT eee Stiff clay------- HORT SO 270 nae

The Boring Tools have been forced into it to various depths, but they have been broken on several attempts to penetrate

deeper. [tis expected, from the result of other borings made on shore,

that the ground is nearly the same to a considerable depth.

poe tea pred 32200,000 have been raised by transferable shares of s£50 each for carrying the above project into effect.

Printed by Richard Taylor, Shoe- Lane. London. es

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Br