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COPPER ORE.-The value Of the recent geolo-
gical surveys in several States has already been
proved Within the last week Is tons of copper
ore have been shipped for this port from mine
in Cumberland, r. L., commenced this season and
worked by four men only. The ore was sent to
liverpool TO be sold at the monthly mart of ore
at Swansea. 1t is fact little known that there is
not single smelling furnace for copper in NORTH
Amerca-we doubt if there is one the Cont
nent--for the ore from Chill, the gray oxide which
is the richest in the world yielding 80 per cent,
is sent exclusively to Swansea. An analysis OF
the ore from Cumberland, gave for the richest spe-
cimens, 81 per cent for the poorest, per cent
The average about 13 per cent. The best Corn
wall mines give an average of only Ie per cent.
The Stra,ford Mines in Vermont which were
worked some years with profit, until the vein ran
out, gave average of per cent.


Boston American.