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calities were seen where they existed in such apparent quantities as to 
be of any economical importance. 
One of these localities on Gooseberry hill, f of a mile east of Delhi, 
in Delaware county, has been called the coal mine. It is a seam of the 
gray slaty grit, about eight inches thick, containing many imperfect ve- 
getable impressions. In some of these, the original plant is changed to 
anthracite, in others, it is replaced by earthy black oxide of manganese, 
by crystalline sulphuret of zinc, by sulphuret of copper, (black,) or by the 
carbonate of copper. None of these minerals are in any valuable quan- 
tity, and it is difficult even, to procure a fair suite of specimens. The 
upper part of Gooseberry hill is said to be about 450 feet above the 
Delaware, which flows at its base, and is composed of gray slaty grit, 
some of which splits out in plates J to f inch thick. Some of these 
plates have been used for covering the roof of a log building instead of 
shingles. They are not heavier than the large slates, or the common 
tiles, are indestructible and impermeable to water. They may, per- 
haps, be used for roofing at some future time, if they can be got out of 
regular sizes and shapes, and pierced for nails without too much waste 
and expense. 
Another of these localities of copper ore was examined on the land 
of Judge Beach of Franklin, Delaware county. Here are the same beds 
of slaty grit and of shale filled with vegetable impressions, as were ob- 
served on Gooseberry hill, also a similar bed of breccia or conglomerate, 
containing the carbonate of iron, and the blue and green carbonates of 
copper. A few rods below is what has been called a mineral spring, 
though I could not by tasting, detect any mineral qualities. It had ac- 
quired the name of a mineral spring, in consequence of some person 
from New-York, (who stated that he was engaged on the Geological 
survey of the State, but who had no connection with it,) having assured 
the proprietor that it was a valuable mineral spring. It is a tolerably 
copious spring of very pure water, and which had been in use by the 
Indians, long before the settlement of the country by the whites. 
The copper mine, as it is called, in Roxbury, Delaware county, is on 
the land of Mr. Leonard, on the Beaver-dam creek, about 3|- miles 
from Roxbury village, on the road to Moorcsville. A little copper ore 
was observed in the beds of shale and conglomerate. Whether the 
supposed body of ore was expected to be discovered in the bed of shale, 
or in a vein which appears as a broad fissure in the rocks, is not now 
