, 1863-10-22
THE LAKE TUNNEL.
THE CHICAGO WATER QUESTION.
REPLY TO K, s. CHESBR0UGH'S
REPORT.

The following article In reply to the statement Of
3. s Oh. eborough. City Engineer. in relation to
tho proposed tunnel, was refused Insertion BY the
corporation psper." Tue subject Is OF such eraat
importance to every man, wOman md child {tn the
city, that VIC deem It w,obg to suppress any Iigh
that can be thrown On the queston Of supplying
the city With pure water.
CHICAGO, Oct 10th, 1863.
To the Editor OF the Chicago Times:
Ihave no desire to enter into = newspaper dis
cusston or controversy; hut csnuot remain silent
whsn see @ sross nis!spfesentssloa, Of eetspli.n.
Of practical experience, else with deslsn to mis-
lend the public mind,
ment or rpo1t signed B. 8. Chesbrongh, City Ed
giucer, AmopGst the proceedings OF Lae Conmon
Council at its last regular meeting on Monday the
plans for Eeserroir or hsstn. winch Submitted
e eatd Common Council At II regular meeting, on
Monday. : st September, 1868. for that purpose.
rcsorvoir or basin would not exceed }l50,0oo;
that It would not take SIX months from it's com
menesnent 70 complete 4. and y i when finished
tDexhauetsble supply OF pure, cold water fur-
sher proposed to guatantee the soosa statements.
M Of vhsh s,s wes pnbiahsd tee
ted upon tho Official statement Of the Board OF
which Official statements and reports found. up
on cloRe examination, To bs both fictitious and
erroneous, and sueh Is would be likely 10 grossly
geneaaly, and with an apparent design to convince
them Of ths necessity TO constfacs the so-caaed
IN your Issue Of the eth Of July and 4th OF Aug.
ust ls6s, and other subseq1ent fasaea, the report
q the neaId Of Public MSrksa BY the!f Eogiase.,
be sunk on the tbe City hydraulic grounds, ou
the lake shore at the watar lioc. and the first 20
1eet Of digging below the Level Of the Lake It that
wh,ch 1e pu1e, cohesive clay:
Therefore, according to the foregoing Official
Inc ,na Inc c.y
y for the drst twenty feet below the le1el ofthe
Lske. aud then an indednits depth Of pure cohe-
In yoar issue Of 4th Of August. 1863, diagram
ia given Of the FIRST section OF the so call d Lake
Tunnel. which indicates the two dest shafts to bs
Lake, 1t the second ehait, dips IS feet; and Mr.
+ Cheebrcugh says. .-at that point the bed Of the
Lake Is Hnre clay with thin l.ycr Of gravel 9ve1
named poiht to the extrsmc terminus. two miles.
lat which point the Laka is IS feet leep) eousfsta
Of hard cohesive. homogeneous clay, ths best ms
few inches OF eend on it. " ...
In my ccmmunics tion in your issue Of the 8oth
tss e sf lie de:as ete g.
medtately north Of the present water works, on
digging down through IL or 10 feet Of sasd. below
ine tetet ~ ~ aAG. ueu ~ SoJ ION ~ aees
coarse gravel, from which large stream Of cold
pure water rushed With great force.
I f. Tonr issnc .e1 ~ rn. ah 1sss bssr
wtat Mr. Chetbrpugh Says on that subject. in bis
official rrport for tho Roard Of fublfc Works,
Wnen "as W p.easa.e1 70 Tue G9nmoo goonSt ~,
Inst, and which appeared IN yous tssue Of the sth
lnst IN e9n4tmau9n q a1a % o. m1 smsemens @ oeao.e
n;si at.t ~ 3,d renos.s ~ ~ p.trs
n91"nnMstan9alng; M! 9ag u,,,
1t H1ts.s1 7shn aEnnaStt ,,31is ~
MI rb q az ei MIo t1 ;n:a r w1 o1 tGo
1feWei{, hopiLg 70 o6tatn Their 1aI supply nom It.
~ n te!sgtns to1s "ea tneJ PAsssa iasoaxa ss4tesn
bed o 9
mnc9 WAFER a. thev can pump ous II as 70 on n
etre n It's character that they caunot nse 1t In
The present 10 continue paying tteif usual Tater lei
faIre.
| The aboye statements and reports Of Mr. ches-
pairing them with hte previous reports, statements
ana AsseIt1ons, or ne subject OF tue so.cailed
dietors notwithstanding il cost tho city tax ply
1wnl now cal the attention Of the readers to
and also Of The City Hydraullc Works aud
grounds. nom whtoh ancootraalctory conclusions
may b drawn in relation thereto:
said city Hydraulic grounds, and both are bounded
on their west edee BY Sand street. nnd on on their
east sldes BY Lake NEUTRALITY-SUSPICIOUS., II Measrs.
e1y On Tie Lake shofe, which H. Chcsb1oush y says
they did, It il then clear that they dug il On the
city HydIs9ltc Gronnde. because they nd no
CIV to d,c it on. ffom which, tLey could snpnIy
their Brewery With water.
rrounds thst Mr. Chesbroncf nv ;iItSrtinn nf H.
Board Of Public Works. made tic c1amsuation OF
5sx bsza as ss ts q s1s lake
aoh1s @ % ssnd and nd le, @ ehele ae is 1
sbose deae1ieed here Il rhen EeacLed be- hssd @ %.
| het{ye cley, &c. Suitable for tunptline. &c.
III. chesbroash must have been mtsinionncd
theg eoaia ~ ass in thsis e. Il
e been tE otSss
ro9th and south Of The civ byd.anic rrounds. tha
water taken rom which is unsurpassed for its pu.
aay by teattoe @ IT. It. IT Il al I cones Is from The SANE
source, not th.ouch At Imal CHARCOAL. ''>N
Rst ths s:oas sfs s. oeEioss xhy Msssss Lt
before d. sity b sd1azlle worss Te:s moved ion
s.; * ssgs$ ssm n %
property ostnE en streets. th5qsaga which thu
and to the 1aey Sona
qm tafnga % r1Eous
tleir 1a1re breyy,W qTp0A ~ 'o0ns''''a "''n
NJ Cheshrnnci SAVE ..arr uamy1ton,a b4s,n
xiii rost Trnriv S-0 IL, ,nstcad ~ &1s1 nm nn5
that il wi1l fat nrsr1v tbre yesrs to comnIcta Il
instead of si1 noptSs.' N. ~
assnnnd assertion cnrresnonds Win f6s esfsb.
1 Nahcd Tocts "-'A ~ ~e'~S
yeasYroir or Ia ain sno feet In d;sneter and IN
feet ficer, 1oc,ted On the civ hvdfantc rrnnnds'
1ste IN fno1t nf aid eronnSs viii hold * IN nm
a9of - ILL.,. " 49, ha .oaaat VII ~ ,s
.es ~ a1t.cd ~ GS 3,,s, uaI5 vi
en1 eoe9 n"ssAese" ''ooo'e'" 1inpei1"i e"1-
| 'o4e:: ~u,,,.oo +h,, &ho ,rh,,, ,,..,.. ,r ~.
e. ~ .a1 2sr1GreJ daIS Ss a+
onsntftT tn r. tatesn mi wnnH h. Tx en- cnhir
44sri. 1t cjrht cents ner cnf,ic vard 1which IL a
Cnnf r,rfce1STonid ar,onnt to sti f4S one flrc5rc
at fN] ner day. wich ia the msrket prica hcra fos
dreiets, would take ont daily from 500 to 1000
cnbic yards Of said sand-but I shall take it Ut
dredec in 1sa days viii excavate 145,CO0 cubic
| yardf. StO.9aD. But It has been shown that the
said basin or reserToir extends, according to the
said plaue 500 feet into tbs lake from the shore,
and that the bed Of the lake dips rapidly, the Wa
there il on the bed Of the lake at that point
| or s feet Of sand-thereforc, from the last
| named fact, it will be seen
that not ..,. sq! qq'tes s,,, one h.lf q M Mths
deep and hence bnt ono ha1f Of 145600 cubic yards
oflooee drill Eaud) has to be cxcavated from said
reservoir, which will be II 500 cubic yards. and
. one dredge will take ont 72,600 cubic yards ID
ninety days at $50 per day. 5,400, OF at cents
per cubic yard. s. W, which Is the largest sam
The excavation 6f said basin or reserroirw will cost
Mr. Chesnronch says he called to his
aid. to the contrary Notwithstanding