New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1879-11-07
THE SUTRO TUNNEL.
LECTURE BY ITS PROTECTOR.
ADDRESS OF ApoLPH sUTRo BEFORE THE BULLION


ADDRESS OF ADOLPH sU1RO BEFORE HE bSLb'O"
CLUB.
A meeting of the Bullion Club was hello
last eveniuga. No 10 West rwenty-fouTtst. to near
lecture by Adoph sutro. the protector OF the eutro
Tunnel upon the subject Of deep mining and IT.
ton with The purposes of the tunnel. The members Oh
the club assembled IN strong force ana there WeIr ao
present a number OF persons interested In mining
from various parts OF the country. Among the
latter were Governor Latham. OF California; D.
w. Harker. Charles = Harker san Francisco
H. Luttrell, santa Rosa; j. T. Cummings Tuscarorai
J. Green L ,ndon; Jesse seligman Judge Palmer. J. W
satterley Charles A. Whiting. J. ". simonton ana
others.
Mr. -u,ro was introduced by D. G. Croy. the secretary
Of he club. H. l. OF commanding figure, Win
handsome face OF shghtly H-oraic east aud speaks
with strongly marked French accent In he course OF
his lecture lie sKetched blackboard the geoiog-
cal and veins Of tue ComstocS lode. anu the
prominent outlines VI the tunnel and ts connecting
shafts.
It Is Just twenty years ago, he said. since the Com
stock lode was discovered in what then portion oi
the Territory Utah. This as FAR IL am Informed
the first discovery OF real silver mine witDin the bor-
dcrs of the Uulied aud strange 10 say. II mas
proved TO be not only the richest will in ali prob
ability prove productive deposit o. the precious
metal known To the worldThe yield thu ar amounts
20 about 500 900 600. and at least an 'qua amount III
low-srade actually been develop d. Strange a. u
appears that the first silver occ discovered III the ue
West should have been the most productive II Is equally
stranse that the nrsi extracted II shOad have
been the richest The first mle opened was the Ophr.
and the first forty tons ex racted theeIrO and shipped
10 san Francisco yielded 100000. or an average
OF - 600 "a ton. No ore-bOdy even approaching inns
IN Va ne "a ton has been found since You NAV eaniy
IMAGINE That the discovery OF mines yIrcng $4,000 10
the ton created intense excitement among the MN
ing men Of California. and though many doubted
the facts as thy were stated. hundreds crossed
the Sierra Nrvadas. This marks an era OF the
tide OF Western emigration. Tie vast area lying
between the eastern base OF the Rocky Noun
taius and the western base 81 tie Sierra
Nevadas. embracing almost l.OoOOOO square
miles has during the last twenty years
examined and Drospected in every erection yet
not a worked even known al the time ~ the
discovery OF tine Comsiock though several hundred
thousand persons prior that time had tramped over
camped on and 20 some extent prospected this very
country.
Gold and silver and also the useful metals seem In
these regions almost everywhere. though not
always IN paying quantities Tue explorations which
have been made show that tue summit Of the Sierra
Nevadas forms The dividing line Tor what may Dc
termed pure gold That Is 10 say, pure
gold ores usually occur west o. the summit
OF the Sierra Nevadas. while silver ores IN
all their varieties occur % the east thereof thonGh
these occasionally associated with more or less gold
stretching from Cape Horn the ley REGIONS Of The
North orns the great stor-house OF the wealth Of the
globe. The CuuIrtook lode, which IL eAsi o. ~"
SCR, Nevada and fun- parallel with IT, lies manly At
the contact OF knds Of rock. That IA 10 large
extent contact VEN. lie central portion OF
80. 80 ia fr,n,d nv Nouur Davidson mountain OF
the height Of abou $500 feet which consists o -irnte
probably latest formation m hat nrigIhOr' ood
tr~lv east N Mount tvidson to- formation OF
green stone porphyrv. l. We examine tie ComstocA
lode dad that 10 runs n contact between me -ehte
portion Of the green one was lifted up aud e sure
formed % contact. forming wnat are now
MI sutro here showed upon the blackboard the prob
able manner IN winch The VEINS bad been formed anu
pressed cngh hls theories OF The vuHti izaton
Of metals, and ne reason Why wai@ deep below tue
oa reaches heat Of 1900 which is oceasoued-
For the last twenty wears. continued M sutro
there nave been enormous sums expended upon these
mines IL Is probable tha no mines IA the world have
o.eu SorAe e 49, n.v Se-o more randy aeveloped
man any ever of before. The ore extends 10 an
iu.'u W .bj nc Hnc,.n' u,.ch,ntcal vancrs
To lessen this cuty Tie -uiru Tunnel was projected
fifteen years Il met Will great oppOs uOn gut u
spite 4 ts and the difficulties W. had 10 CONTEND VIII
Iur miles Ted ana put INTO operation, ana
ano her four miles vii shortly be anisued lie purpose
y, -, - :, IN, r1,ues Df the COmstock lode and carry
MIR surro men proceeded point The advantages
Of tine unuel asa business speculation. tie SAID tha
bv contract the company has running lateral tun-
nels IN various mines, TOT whch they were pad
month by m0nlB from 100000 70 $4,000
Then they received ROYALTY led by Congress
upon all extracted along IN uue OF
the ruunr, with the exception Of The ComstOcs lode,
NJ - a ton $40 yield, and 81 ton on VI, Id
over tnat amount From tnis was received $4,000 a
month, which would increase as the lateral tunnels
were extended Also the lode contained iarKe
quantity OF low-grade ore, which II offered 70 me
tunnel company price that VIII allow laTge
profit Among other sources OF revenue MI sutru
mentioned wserpower, The sale OF Woo the produce OF
farm and belonging 10 The company. the manuiaOtMe
Of Zee and minor matters He concluded VIII au
argument prove thai mines are permanent -ourcs Of
wealth and inetanced amongst Othrrs the Z ~ al TN
miurs. winch been worked with prOnt three
tnoussnd years The wealth ore he SAID, the Com
stock lode ooud not be exhausted II The present
century