[ ?7* 1 



nine at bottom ; they are then filled up 

 in the fame manner as the others. The 

 expence of the operation is as follows : 



A cart load of nones of 40 

 bufhels will do 7 yards; the 

 getting thefe, beficles the lead- 

 ing, is 



o 



The leading, 

 Digging the drains, 

 Fixing in the fiones, and 

 filling up, 



For 7 yards, it is 



5 



4'- 



or juft 4 d. a yard. 



The improvement by thefe drains (which 

 you will obferve lall for ever) is almoft 

 immediately manifefr.; the fummer fucceed- 

 ing the firft winter totally eradicates in 

 grafs lands all thofe weeds which proceed 

 from too much water, and leaves the fur- 

 face in the depth of winter perfectly dry 

 and found, infomuch that the fame land 

 which before poached with the weight of 

 a man, will now bear without damage the 

 tread of an ox. In arable lands, the effect 

 is equally ill iking, for the corn in winter 

 and fpring upon land that ufed to be ilowed 

 with rain, and quite poifoned by it, now 

 tly dry throughout the year, and 

 in the tillage of it, a prodigious benefit 



rues 



