Tron Mines, &c. in Vermont. 23 
nite, though dull and orels translucent in their splinters, 
which emit a greenish li 
composition I found “ ped in vale 100 aoe 
Silex  - 33, 
ea S50 BP 42, 0 
_ nS Ser aa 3,50 
Tro - - mittee Dy 
Water po volatile matter 13, 0 
98,50 
Loss 1,50 
The at this dedueti d 
ee cee variety, deducting the iron an 
as well as that of Loudan grove near 
Art. Ifl.—Notice of Iron mines and manufactures in Ver- 
mont, and of some localities of earthy minerals ; by Pro- 
rrssor F. Hau, in a letter tot the Editor » dated 4 25 
pce mae 
In my last communication, I ; 
of some of the other iron ore edo of 7 prrearies Thay 
since examined the one situated in Brandon, a town sixteen 
miles south from this place. The ore bed, lying about two 
miles north from the centre - the spon ey owned bya 
pe ‘od. wae ‘ST 
the Green sig temarees it is bounded, on the 
The ground being covered with snow, when visited the 
ore bed, I had no opportunity to examine the surface of the 
digger, who has long resided on the spot, 
cn ‘me all the infc mation in his power, relative to the 
