June 16, 1871.] 1 39 [Lesley. 
Note on the Trvanirerous Iron Ore Beur, near Greensboro, North 
Carolina. 
By J. P. Lesury. 
(Read before the American Philosophical Society, June 16, 1871). 
IT embrace the oportunity to exhibit the structure of this interesting 
ore belt, afforded by a recent survey of the lands through which itruns 
for thirty miles; lands owned or leased, by an association of gentlemen, 
known as the North Carolina Centre Iron and Manufacturing Company 
of Philadelphia, of which Mr. Thomas Graham is President. 
The photolithographed cuts at my command, were reduced in fac sim- 
ile, from my drawings, by Bien’s process, and are sufficiently clear to ex- 
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hibit so much of the geology of the country as is necessary to the right 
classification of the ores in question. The chief interest which the ores 
