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f 



on the fame declivity, from the bottom of 

 " the valley to the top of the eminence." 



The canals need not be large, but rather 

 more numerous, having them twifting along 

 the banks, or a dead level ; and large quan- 

 tities of goods, might be tranf ported by 

 them, in long, narrow flat-bottomed boats, 

 drawn with a horfe, or puihed along by men 

 with long polls. 



The canals would, when properly made, 

 help to drain the grounds both above and be- 



By th^fe means water, could be conducted 

 to man^barren fpo'ts, both upon the fide of 

 liills, arid in many plains ; in fome places by 

 the fea-fide, where there is nothing but fand 

 or gravel. Letting the water ftancl dead, 

 .would in time produce a new foil. 



In fome fituations, thefe canals might ferve 

 corn and other mills with water-falls. 



Indeed, every farmer who has the com- 

 mand of watering ought to make this his 

 ftudy. 



How many iochs great and fmall could be 

 drained, at lealt in part, to fupply tfcv 

 nals in fummer, although in v/iater l 





