The New York herald. [volume] (New York [N.Y.]) 1840-1920, 1850-02-03
The Copper mines or Michigan,

The following is an abstract Of ths report O.
8. " r. Trowbridge, assistant agent Of the Uni
tea States mineral lands, upon the con dition O
the copper mines Of Michie hiesn:-Upon the frs
bluff IRON the Ontonagon river, are the improve
ment and mining opers tons. Upon the southern de-
clivy Of the bluff the mining has commenced Three
parallel rows OF ancient dggings extend for two o.
three miles through the forest from twenty to afsy
In the earth and rock at rome places like a cavity
twenty to thirty feet in breadth: On of these pits
hemock tree is stsndiug, OF immense size and the
cavern extends some distance der the tree worked
out Of solid rock In which found of ths ancient
hammers, small bolder with an indents don aroup
1t to hold withe or han die At ne point of the bud
the rock had been worked out and thrown up in i'm
mense qaahtit..vs; From every appearance, very
fesn that this mining has been carried by burniu,
and roasting the rock snd beating off with their ham.
m,rs Copper Ia found in all these pits, by removing
the earth and vegetable matter In one pit found :
mass OF pure copper, weighing six tons, and worth
ten feet below the surface In that pit shaft is
working. went down fifty feet The vein or lode Il
ricb and masses constantly found Another shatt
hundred aud fty feet distant IL working thir.
ty five feet deep Fifty tons of have been for
warded this season to market The company has just
commenced. l took some pains to examine veins
found large masses in both shafts and the whole drift
filled with geod stamp work The country is but par.
tally kno wp parties are constantly out discovering
copper and finding veins. A miner informed me that
he had found large mass some distance in the woods,
upon government land, while passing through it.
proceeded in open boat to coast down the Eagle
River to visit the Lli1 and North American mines.
The Clih mine stands now at the head of all the
copper mines In tpe NOru IOr producing the pure
metal On Monday morning, septen ber nth, was
Invited to Witt and explore tue whole interior
ton Of this rich Inine was presented With a full
miners suit and started to descend ladders hun
drel and sixty five feet In the bowels Of the earth
The bolts are horizontal drifts, 6ys in number In
email TRACKS the each way to the
principal shaft where it is elevated by whins. rhs
defceDt of the mine il dangerous; but STILL to
stapgeri it Is attended with some risk
the ih level we passed mass OF copper hundred
and twenty hve feet In length and ing fro
two and a half feet in thickness and depth uusnown
vla.. ht,RH
per IN sight On the secol level passed aoher of
the sane description. We continually encountered
nirerf two and three in number with their candles
fastened against the immense rock wall by sticking
clay; some cutting the great masses with cold
chiseis- ,oae man hoiding the chisel and two with
heavy sedge hammers alternately ttrisipg with great
force the head of the chisel Others blasting add pack
ing The stamp ore, which Is copper mixed With rock,
elevated to the surface, roasted or burned Ike Inns
stone and then passed through the stamping operation
pntn com piet.ly pulserizec thea washed. aud the
copper tarre.d for market. The stamping operation
Is simple. Upon immense shaft, large pieces or
teeth OF iron project; the shaft h horizontal aud has
revolving n otion The ranps are four saaar. pieces
OF iron OF five hundred pounds weight, fastened
In vertical pieces OF timber cpe stamp piece a. he
bottom; corresponding pieces Of iron are ia the yer
stamps raise ana fall with great force upon the
copper and rock freely cond scted upon the
before It slides under the stamp 1t theu runs
iw,fy down into vats OF tsbts where 1t l. ssrsiosd
and The coppnr which Is heavier settles to this bstto
We passed ths length OF the different levels,
sDppcrted over head by iunense tulbers across tns
drii,s the ends Of the timbers securely fastened in
tie rock walls on each ride one cad elevated. pre-
e.ntiIg the appearance q a shed-rooL rhs whols
interior formation Is rock. The property owned
$1,000. Their location - three miles squsre ar
prtgate nssestent of filOoOe Last year the dividend
was $40 per share or asoat one halfths assessmsnt
This year they have shipped over eight hundred and
three tons copper, aud expect to MAKE one hundred
and thirty tone witch sill ba sso0 coo for
1876 expenses coo ous ana net proceeds, $500,
COO visited the North American MiDss, near by,
where the outlay hGs not been great. aud the pro-
duct not 40 much Also the stsnptng operation very
recently put up The stamp this niue richest
on Lake Superior The mode Of teparating the copper
sesms 70 be done with more facility aud rspdy than
at any other They have fourteen hundred tons ten
per cent stamp the surface. The whole appear.
anee Of the mine is very natteripg. They have ab
eighty men, and have expended 5000 On rhurs-
day september 18th left Eagle river to visit Isle
Royal We called at Ontonagora. and then proceeded
over the lake TO Prices Bay aud around the land 10
Rock HSrbor, where the sskewst Ohio. and Isle Roy al
mines are located. The Pittsburgh and Isle Royal
nine 10 On the north eide Of the island The boat dad
not stop At this mine. was crediby inforned tha,
the prospects Of the company good and that they
win make large shipment OF copper In the spring We
landed at the Onto and lse Royal mine. Here has bee
experienced difficulty from the o~ Of water into the
mine. hr. Duncan informed me that they had opened
. new vein rome tso miles distant which appeared
very promising. saw itch ore from the vein Ibe
present winter will determine the character Of this
niue The siskowsit company are prosecutins theis
nthc win coLfdsfabe ioroe, snd sth good prospects,
On Wednesday morping, weEt out ~ miles to the
Nuthvttt Ains. Iso shafts have been settled aere,
and dgift OF eLed. | became esiishsd that the
Northwest was iich mine. We followsd the river
ltO feet below The sur face sf copper frequently
sppeared partly washed out Of te roat In ana aoo 1t
tie vein Is anygdalod Of species where copper ex
lists IL .s all new and in rudr state They Just
prtparirs copper ior market. The thG. North Amri-
can, Ninnesuta. and NoItDwest Mines nov take the
i.hd ia lrodrcrg copper Tho Copper Fails 90 on the
lshs, 80 miles from Eagle iiarbor the Ohio rrsp Rock
Company tsel,e miles isom the Onto1agon the Oato-
nsgon COMPANY and Dopgless lloushion company. are
not prcfecuiing their works I he Lac La Belle Com.
rfp3 are attn at work They are encouraged to bseye
they viii -tihe the copper Thsif work horizontal
dr aud hss bsen putbed seven hundred feet throu ia
the mountains.
Tnr IsrH~us or f.S,NA 80 A correspondence fro-,
Boso's New GraDads iniorms ~ that attempt viii
be made In the tCpgrtss which D. about 20 meet 70
have The two ports the oppoie shores ~ the 18th
81 Panama declared fes aud cpen % thu commerce.
oi all nations This point In The early settle mt
81 mich nl Europenn powers have interest
Itts- but England more than any rhe passage BY
rsr ana owing TO the phca disribation OF her
ernltfe- Will teccue, coon ~ II = traTersehle BY
stssin, the drsct road 70 Of the
mere important ssss 81 her cclcnies AID coumerce
fo~. or bsrssfssr Tiht ~ way. at all season. IA
pseee war ncrc,s thi ithmus-a rl,ht q eptry Tor
her sits into tho bsrbors of P.uans aud Chsgregi'
What Great Britain must assert aud maintain at any
sud every risk; that should the ssttemeit ~ the
question not take psce the Feeds of future mis-
uuosrtspdng betWsen Europe aad Americs viii be
ltn g. gov, 1der the influence OF tropical pasio
into fruits which may prove huftfu to aud cs.
ssion once ALREADY aproj 60 has been entrrtsinsi !
pssr-w strip Of Isnd which divides ocean from ossAu
sad hedins 10 - neutral tsrriary In the joint ns ne
ssd az tks common esrsnssef the tve fo~er, " any
srctss which cedei 20 nnofber. There nust be no
monopoly of the right Of way at Panama London
.9thsnathr, Januorg
Domestic miscellany.
TwentT-ore deaths from cholera occurred In 81
Louis for the week ending 18Th.
ftter RidsH Henry Hsissen, Philip Esear, ana
Cherries Miller have been committed q pri'sn At Nsw-
arb y. J., for the murder of Peter Shislds on the
wight cf the 2sih ult
The whole amount Of damage by fire. In 81 Louis
dutp the 1s4p. IS $50 400. upon which there
| waf Insurance 20 tne amount of 1851 100.
EiF bit thousand dollars IN tsli0ruis gold was stolen
from state OF tho steamboat JOiish Lawrence
n louiss,le. ny on the 2lst iust
There were e araiss IN Bo.srn during the week end
Ing the 2oth of which 10 we're u eopSuPtion
During the PEAR lac. Que thousand and .sTen emi-
grant yessesa cOAtstnfng ssSsS eaa
pftpts. a-s ~
Cstso n. &C IN. Chef 81 tha Menomines In ilsps
II L.a 4