Mr. Pierce on the Catskill Mountains. 95 
+ oe a ] 4 | ees Per 1 j 
are most frequently remarked in the upper regions of the 
mountains. str 
es of gray wacke slate and argillaceous sandstone, 
Native alum is abundant near the Schoharie in the town of 
lenheim. It is found ina ledge near the foot ofthe Kauters- 
ill clove, and in the rocks of the eastern side of the moun- 
tain north of the Kauterskill for several miles, sometimes 
pendant in stalactical form. Alum often occurs in the south- 
ern section, both on the eastern face of the range, and in 
ay wacke slate of the interior ravines, sometimes in incrus- 
tations, lumps and stalactites. Profitable manufactures of alum 
may perhaps be established in the Catskill mountains. The 
salt can in some places be extracted from the decomposing 
rock by lixiviation alone, but in general a calcination would 
probably be necessary. ; 
Sulphuret of iron has been frequently noticed in the south« 
ern part of the mountains, and plumbago in a few places. 
There are indications of copper. Several tons of iron said to 
resemble that of the highlands were procured from the 
Catskill range, in the vicinity of the Bristol glass manufac- . 
‘y, but diminishing in quantity, the mine was abandoned.. 
have observed narrow strata or seams of coal at several 
places in the southern part of the Catskill ridge. The widest 
is situated in a perpendicular ledge of gray wacke slate on t 
eastern face of the mountain, in the town of Woodstock, Ul- 
ster County, at an elevation of about 1000 feet above the 
