On the Muriate of Soda, or Common Salt. 5 
amount. The brine at the namaste works, as appears from 
careful experiments made by Dr. Putney, is very stron 
sixty-five to seventy gallons yielding one bushel of salt. the 
e works is from twenty to twenty-five cents per 
Sahel according to the quantity purchased. It is obtained 
by boring to a depth of from three to five hundred feet. Large 
quantities of inflammable gas are sometimes disengaged, with- 
considerable noise and violence, preventing operations for 
several days. The salt works at Kennwha, and those on the 
olston re! Abingdon, are the only two in Virginia worked 
to any extent. These works, and those of the iskiminicus, 
one of re waters of the Alleghany river, furnish the principal 
part of that used in the western states. 
Pennsylvania. On the Sana near Pittsburg, are 
the most extensive works in the state. The price of salt 
at the works is from twenty to ples -five cents per bush- 
eL ere are several other works in the neighbourhood 
of Pittsburg ; ; they are, however, all comparatively small, 
The brine of the Kanawha and Pittsburg works is evapo- 
rated by coal: all the. sme works in the United States em- 
ploy wood, which operates in diminishing the profits by in- 
creasing t me Soong every year. This, with many other 
on of operation in many salt 
works, particularly i in places where a competition exists, and 
some of the competitors enjoy the above named advantages. 
Hence it is, that although the price of salt at Kanawha 
and Kiskiminicus is only from twenty to twen 
the manufacture is conducted with profit, whilst other estab- 
lishments, where salt brings fifty cents and upwards, are ra- 
some of which. are very atietee The best springs are 
near the canal which connects the Hudson with Lake Erie. 
ie? salt is obtained by the spontaneous evaporation of the 
brine exposed in vats to the influence of the sun, aided by 
onl conducted through tubes immersed in the brine. 
There are also ee. works in Alabama. Being i 
