34 / Niimerkal Inflru^liom' 

 in the Country 5 but, where they are allowed 

 12^. pt^v Day, a Yard of Sand, or other: 

 loofe Ground, may be dug and fiU'd for 2d. U 

 or 3^. and of Chy for ^d. i or 4M Upon 

 the whole, if you move it 20 or 30 Yards, it 

 will coft 5 J. or 6cl. or, if Clay, 7^. or 8tA 

 /z^;Yard, VVe will fuppofe the Queftion in 

 Hand to be 6 J. 



The Number of Yards 3200 

 The Price fier Ycuid -r^ — 6. 



To reduce it to Shillings-^ - ^ \ 

 take one half thus, ^ j^ : *^c»^ 



And fo much this will coft the^levelling, 



du E S T I O ^\l%^ ' J 



But there are Pieces of Ground to be reduc^dy 



which are of irre^idar Wtdths\ as well as 

 Depths 5 the^ Method, of meafiirmg of which ^ 



nmll appear' Plaie/xi.1' ' ' 1 



A. n; ^,ly\ \::\S^j\ lo •-;■.. . cy.A ,\u ^ * 



The Widths and Depths being reduc'd in- 

 to a regular Method^ firft by tixing fome le- 

 vel Stakes round the Edge of the Pit, as 

 abed. Fig. 3, Plate 22. Thefe Stakes, I fay, 

 being the ex^d Le^cl the Ground \% to be at 

 the Top of the Pit, ftrain the Line round 3 

 and whenever you have a Mind tp find the 

 Depths, ftrain Lines crofs-ways llkevvife, or 



do 



