New-York daily tribune., 1858-11-02
MINING INTELLIGENCE.

Mr. Roberts the General Aren't Of MINES sots, Rock
land Supcrior and Fnt-Steel River mines, has made
his u,ue examination Of them preyions to leaving for
the Winter and furnished the following reports, viz;
MiSyYsoTA.-" On the 10th inst. ! made general
examination Of the underernund works NJ the mine
Nearest the surface the south vein, between shafts
Nus. and B. 4 short distance west of the open cut
are the works We have commenced upon the con-
eIomeraie above the sdit level The copper sraied
by ~hm, erected over tue open cut, aud WIN IA VIII
suffice to carry the work TO q considerable length
and depth This point IL surning ont considerable
copper, and is oi much promise for the winters pro-
ducoR. There are also other poiDs on the conglon-
eruie producing iayorably, and which stI promise
well. Above the ten-fathom level, where the great
mass taken out there yet remain prongs and
snass Of copper sticking out Of the gomerate that
cHnrot yet be removed account of the great space
lett untitled above the tnlbcrs, but which will be
worked upon soon as can III 1t in. Under TINS,
below the tena'hom level where another large mass
eut mp ard removed, a. least that portion OF 1t
frrt lOsened, there yet remain considerable masses
running into the onglomerate, upon which ma nber
of mines at work, aud Il promises tO he still
protective spot Leaving the ocDgl)merate, We de-
scaud No. T. which shaft IL sunk al feet below forty
fathon level passing through good lode, with mass
copper at the bot,om The lor,y-.abom level is now
connected between Nos. and shatts. Ia hity-
| atbUn level between Nos. and D. which are
also connected we have the junction Of the TO
veips, which is quite large and producing well in
barrel and stamp work. Tue 6O-athom eyei Is
driven Y6O feet west from No. shalt, ahi mas
good vein. in places producing masses. No.
shaft is sunk 20 feet below the 7Utathom level the
vein in tie bottom looking well, end has been gener.
ally regular producing copper The lever ltseii
s opened 20 feet west of No. t. aid IL in good vein,
also prod lcr masses. East of NO. T. TIE level Is
connected WITH No shaft, and the yela between Is
more regularly productive than ~ has ever Derh
above. STOPPING is going ON here 20 cohsii"raoie
extent exposing copper; and IN one place s a
large cavity entirely in copper, and showing q good
thickness ot metal. No the pump sLatl IS suok
81 feet below this leyel AMI dnits carted from tue
l.,, 18Th md l.ffn pf fha al0
locking well for ven esch end Ol the drifts in copper
and the backs also booking wCD. > ats Nos and
-re connected in level, bu. at tits pon, the tw0
ods haze not yet together though the junction
cannot be fur below, have driven to some OK
tent on both yeaS aid both are producing copper.
No . shaft is 80 feet below the same level and ~e
have fne IN the bottom of II; and drift gong
east IN about 100 feet, where there ls asO good
vein. Going up No. to G0-fathom level, which II
connected through to No g. good vein Is
exposed near the hitter, which II yielding mass
copper 10 some extent. Ascending To- the Juiathom
level the drift east is in 300 feet showing large VEIN.
The backs have been stopped 10 extent and have
produced very well in copper. lhe AI!dth0n
leyls the lobe north of the yloerae, extend
ing about go it east of No g. and portiops OF the
back have been stopped up to the lUlabom level, pro-
dUcing very wei, and still promising well as We pro-
,5res in dryiag and stoping The foregoing descsip-
ton embraces TIE most important points OF the niue
for the ensuing Winters production. tue prospects iuf
which must appear ther.tron 10 be highly favorable
At the same time openings viii be extensively
prosecuted: lu-ia;hyIn level viii be connected N.lh
No. shaft the levels driven from No. = The shGis AZ
The bottom of the mine connected aud all the eattern
l-yels below the ~ viii be driven during the Nintt
Tie mine al present If producing from al peTts anu
think can safely say that / have never seen IL
looking generally better, aud everything promises ID
soIably tor the ensniug Winter production. 49,,
R0cELAsD NINE" Yesterday made geners!
examination OF the mine under ground and Aave 10
report tie present condition and appearance OF 'Ne
'ar01s openings a. follows: 81,
"Ne. shaft Is Striking below .o-fathom level, with
good val 10 the ven-the vein itself Irregular ~
to - ieches 10 width u places, aud producing sang
work and sma' barrel copper but 10 MASSES We +
have been sinking through hard course oi amy2na-
oid but ale now looking for more copper and -aser
ground foF wOrkiIg. The 2o-fathom level, east oi I
No. 4, is in hari ground but the end OF tae dlil
improving, producing barrel work 70 some extent,
with better wall There also some siaA i'n''7,
along the back Of the dr IT. and at tie port we
have commenced stopiog il ool favorable. Ine ~
sthoo, west o, No. 7, Is kindly dnt, ana mas Dyen
charging lately for the b,tsrget'inG mofS I'5usi
wnn, end producing both barrel gnd stamp work'
This diff is going toward No. Z shaft snd WILL pro-
g-tss rspIdly he possible dur!sg the WiIter ~?
shaft Ia ST king below the 3J-fathom Ievsi, Hl'A
pguar wall and vein, the lat'er prodncing sia4i
masses. The Gathom level, west OF this s'it, hGs
q large lcde in the back from the stope, We sel up
to-day fne rnass Of go it. This J. 81 pre-eut the
nso-t urog gug part # the niue. ard we COX !,f
good productuu in the groGad betssen hos; ehe :,
above this level. TIE DIM west of NJ. Will '2nnect
with No shaft about the eud OF tbis IDontni Il has
Producei stamp work and small nassst, ost Oh 10.
turned ont 80 W., e. expected. The dr.Ii S.at y.
No. in 3efn, level il boxing WEI the We oins
about II inctes in width, and prodrcirg nan
and stamp copper This level has mas7sisIy hpio'-
over the upper levels and we have g'rd prospect,
there for the Winter. At No. shaft sc are croes-
cutting &C nth TO the c3sg ,merae, aud driyng up
from the south side rpeet It. At tni- point we eaye
lately ne. NTH favorable chsrg ard Tie eli" tns