Cleveland morning leader. [volume] (Cleveland [Ohio]) 1854-1865, 1862-12-12

TIE CARP LAKE MIEEs.-from rellaoIe
sources we gather the following information
regarding these mines, which are almost
wholly owned by Clevelanders. The state
meut shows the relative value of the copper
mines in tho Carp Lake District, as compared
with the Portage Lake mines; the mines in
both districts being stamp work.
The principal mines of the Carp Lake Dis
triet are the cuyabosa, Carp Lake. Miseo-
waubik, PorcupiDe Mountain, Lone Rock and
the Green Mountain Mines.
The principal mines Of the Portage Lake
Disl-iet are the Quincy, Pewabik, Franklin,
Isle Royale and Huron.
The mines in the Carp Lake District are all
located on the north range of the PorcuPiHe
Mountains, and have precisely the same geo
logical formation, except the POrcuPino
Mountain Mine, which lies Oh the northern
slope Of the south range.
They all give evidence Of equal richness,
but the Carp Lake Mine, lying about midway
on the line Of upheaval, it was thought ad-
xisable to open this mine first, as it would be
a good criterion to judge the value of the
others BY. The mine has been extensively
opened BY an ndit seven hundred and fifty
feet in length, and by numerous shafts, all of
which 90 through exceedingly rich deposits
Of copper. Its stamp mill has just been COM
pIeted, and is now in running order.
Previous to erecting the mill and driving
the sdit, it was thought best to ascertain the
precise percentage of the mineral as taken
from the mine, by smeItingft without stamp
ing. Accordingly the following shipments
we're made to the Detroit Smelling works:
~ Statement of rough copper received and snelt-
ed by Waterbury and Detroit Copper Company
for account Of Carp Lake Mining Company, and
extended. showing the yield and product:
July 18th, Per Iron City, bbs., l,267 lbs. nett.
July lsth, Per Illinois, 2l bbls., 1873 lbs nett.
Total -..--.-..--.-.-.-.---- L4o JOS.
Yielding 1870 per cent, or liSOs lbs ingot cop
LR CIRCUIT, Agent.
Detroit, November 18th.
Statement Of rough copper received and suelted
BY Waterbury and Detroit Copper Company for
account Carp Lake Mining Company, and ex-
tended, showing the yield and products
Sept Sd, Per stmer North Star, bbls., ,l36lbs.
Nov. Is, % 90 81 " 25.60S lbs.
Total 739 lbs.
Yielding Il s1-lOO per cent. or 5,l2o lba.-ingOt
ssPPsi' JOHN R. CIRCUIT, Agent.
Detroit, January 2sth, 1851.
There was also small shipment of $4,000
ibs. sent to the Pwtage Lake Smelling
Works. It's yield was only about seven per
cent This falling of was owing to their be-
ing unaecustOmsd to smelling the Carp Lake
mineral, which has large percentage of
alex. They admitted they did not take out
one-half of the copper. All the mineral sent
20 both Smelling Works was strictly stamp
work the yield speaks for itself.
Nov We will take the Quincy as sample
Of the Portage Lake Mines, because it ship
psd the largest amount Of copper this year,
d, 40 tons,) and because, besides paying of
all debts, it paid dividend Of six dOllarsPer
share, to be paid semi annually, to Its stock
holders this year-its stock commanding at
this time in cash sixty dollars per share in
the stock market.
Persons not faniliRr with the copper mines
of Lake Superior will be astOnished when
told that the yield OF the mineral taken from
the Quincy Mine is less than two per cent.
This is all they themselves claim for it. The
Copper Falls Mine works mineral that
yields less than one and half per cent. at
q fair profit.
But the difference IN the yield of the mines
in these two districts Is by no means all the
advantages the Carp Lake District possesses
over the Portage Lake District. The latter
has to hoist its mineral and pump out the
water by steam engines, besides working in
amuch harder rock.
The mines in the Carp Lake District can
be worked by adits, draining and bringing
out their mineral from 1900 to 1900 feet
below the Out-erop of their vein
Ths.6bove facts are submitted to the share
holder5 in the Carp Lake District, BY way Of
esutioning them against selling their stock
st the low figures they have been selling at.