Z9 AGRICULTURAL SURVEV South-eaſt of Leigh-Down is a vale of rich graſs land,

extending from Bedminſter at the north-eaſt, to Brockley and Nailſea at the ſouth-weſt.

Under this level are EE to be inexhauſtible veins of coal. At preſent they land 2500 buſhels a day. Thé‘beſt

alea dex A t+thraos EES A= f coal 1s loid at three-pence halfpenny, the middle ſort at

4 hroe_neance and the ſy| D TTTs YBNCA. nf tnree-Pence, and the imali at two-pence, Per buſhel. One ((>-- of the works is under contra to ſerve the glals-houſes,

A

N ime fine N I in the nariſh af N ailſa f ſome time ſince ereded in the pariſh of Nailſea, at one penny

>24

CEE farthing DCI Duinei.

e yl= olaſs-h FS E EES y

Theſe glaſs-houſes conſume about 2000 buſhels weekly.

T1

The deepeſt work is iorty-two fathoms. The principal vein

IS Aya faet thinl-« ES E TAL 1 C 1 is five feet thick; ſometimes more. The coal takes a ſouth

pitch, or inclination, never exceeding two feet in a fathom. Little timber is uſed; but they are much incommoded with water; for the rock which lies above the coal ſo abounds

with fiflures, that it is difficult to prevent the ¿and water from pervading the bottom of the works.

When the top veins are exhauſted, and the proprietors compelled to go deeper, it is a matter of doubt whether any power of a ſteam-engine may be competent to the taſk of keeping them dry.

Many people are under alarming apprehenfions left the coal-mines may be exhauíted by the extra demand produced

le

by the extenſion of ſale eſtabliſhed by the canals ¡—but ſuch diſquieting 1

Y O

ideas will vaniſh, vhen they are told that more

than treble‘the preſent quantity could be raiſed from the its already in uſe, did the demand reguire it; and the in- I 5

creaſed quantity might be ſupplied for ſeyeral hundred years. ty UZ ipplie je

CHAPTER

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