302 Of SPRINGS and Chap. 9. 



nefs, efpecially rough Stone. A Drain about 

 fix Inches hollow is fufficient, which ought 

 to be clay'd round, to prevent any Wafte of 

 Water. However, Elm- Pipe is very reafona- 

 ble, and upon cafting up the Expences of one 

 and the other, a Gentleman may in fome 

 Places rather chufe thefe Wooden-Pipes than 

 a Drain. 



But where the Water i^ brought over Hills 

 and Dales, 'tis abfolutely neceflary to have 

 Wood or Leaden-Pipes ^ the firft are to be 

 preferred in refped: of Cheapnefs, and indeed 

 for Goodnefs ^ tho* the other are more dura- 

 ble and lafting : And 'tis by this one Conve- 

 nience of Pipes, either of Wood or Lead, 

 that we can have cheaper and better Water- 

 works than they can in France^ which has 

 been to them an unheard of Expence : Be- 

 fides, we abound as much, or more, in Hill^, 

 Springy Ground than they. 



It is certain that all Hills abound more or 

 lefs with Springs 5 but in fome there are 

 fuch great thick Beds of Clay, that they 

 cann't poflibly force their Way through. 

 Where-ever therefore one fearches for Springs 

 in a Hill, and finds none, it muft be attributed 

 to thefe Obftruftions^ and fo the contra- 

 ry, if the Rocky, Gravelly Beds go quite 

 down to the Level of the Springs. 



But where-ever Springs abound, the/ 

 fliew themfelves by the Bufliy, Boggy 

 Grounds where they break out, which, if 

 open'd but a fmall depth, will quickly dif- 



cover 



