425 



MINERAL SPRINGS. 



The various kinds of mineral and other springs in 

 the United States, are 1. Springs which ebb and 

 flow fresh water, 



2, Springs producing common salt, in the interior 

 parts of the country. 



3. Medicinal Springs. ^ 



Of the Ebbing Sfirings^ there is one upon the 

 western side of the north fork of Holston river in 

 the state of Tennessee, just below the Waggon ford 

 at Ross's iron works, which may be considered as a 

 specimen corresponding with all the rest of this kind, 

 and resembling one at Griggleswick in Yorkshire, 

 so far as its being situated beneath a high bank of 

 limestone country, and in the nature of its fluc- 

 tuations. 



Iji the township of Hanover in this county, on a 

 ridge of hills, are a number of wells, which regularly 

 ebb and flow about six feet, twice in every twenty- 

 four hours. These wells are nearly forty miles from ' 

 the sea in a straight line. 



Mr. Ferguson, in his lectures, under the head of 

 intermitting, or I'eciprocating springs, has accounted 

 for this phenomenon. 



2d. The Salines^ or Salt S/iringSy from which" 

 salt is made for common houshold purposes, are 

 mostly found in places termed salt4icks^ and thQ 



