, 1881-05-23
II was pronounced. In this final and oxliaust-
I've survey, ensy Of accomplishment.
The estimates were for i shtjrcannl Of


Prism, 100 feet at surface. 1:s9 feet Mt bot
tom. and seven feet deep, Locks, no feet
long md seyenty-nyo feet wide. Tho dinlen..
slons Of the fee.iur catitnated upon were 40
tom, anti seven feot tcep.
At,ts.
Length az canal, main limo, G6y1
Feot|or. " , .. N.l2
Totnl length. ~! slGa!S .!S
Estin1atcd Gust. main ltno:; e1o,a@Sao
S4vl&api,iG ii,,d tesaef s ron nixon on sno a
"ooh 1''Se1' ~ 'ns 3u"'n''' '''''''''''' - -.@.D-o
..:r,,o 1"ni,o - ,.n. fc,,I IT, hs ns fniInrs.
ny iuekMEe WaS t0M'a ~ uo ~ io"Mn; ~, H.;
rsomt III aanpI.s scE & T. ,,ttt. y, asc,nf a,P
Of ~ fcei 'I a,,J tj,encs "f; 6y N" iSscei,t M Of
sln,H iaivnr :Jbnre will In M ifft.j0cks llpon
tic feeder and only ono gunrtl.lock. Sir.
Low states TINT thu lucks contemplated IN
Ills estimate would adult stenlner and tow
OF hatgps. capab!e Of carrying 2U00 tons or
g i'asl,els Of WHEAT lis statss at tat ,ii1 ts ho
sufficient for slxty-seven passages eastward
uatly Of such tows, carrying IL, ,oo0 tons Of
freight or 4,4DG, ,OaW bushels nf w!lent. THIS
would afford a., al,llnl eapacity, T., f3r r. ~
bushels for cach season of 40 days, or eleven
times the largest amount ut grain ever re"
ce!yed ct Chicaso during one year"
fs RHt MI b1eo,iossy hoW ssyf = tha constr,cton Of
canal of tiie sizv contemplated il tbs fore
going portlon Of this report arc Its immense
cost, tho interest On which, at . per cent
would amount to s74s,7sl.oo PER anili,mj tlle
River, to the injury Of the ma,lu featuring IN
tercsts: the quantity OF wnter necessary to
the lockaKo OF ooats sollld i, they @ presths ~
themselves singly. Or n snail toys; l a',a sne
work OF such magnitude.
''The proposed enlargement OF the Illinois
g. Michigan Canhl, and THO lock aud d9,n II.
course IF ;onStlston M in h. ting Ilios Rssr
since 6oats suitable Tor use on tho Uult and
lakes would BE- unfit for, The Upper Mlssis-
sipp ils inferred Tint thls project y ior eoiii-
'''''''' pufposss SMALLER S CANAL s GsA< '' '"s''
1vo,tJ nro1,ohtv ho hatter snited tn thu situn-
lion, bot6 from " its ' red,tcsd cost and tlle
smaller @ Hai, amount Of water required by il.
havinr bne,, @ hronHht to y. Vomr motlcc. Won
Verbally f % directed t nc to u REPORT and astniato
ti!erofore, H d 'u uroposod M S caua section sixty
feet wide at the water-ltne, and nix feet deep,
l50 feut III length and twonty-onu feet III
Width. Thcsa dimensions correspond to
those adopted by j. d. iluGnutt ci;fl engl-
Il s essss ..sa 9F sana eyer nsay .
"Thc sTh Ina rs,con,n1,,t,ed for this work cor
responds nearly with that shown upon the
llai,s for tho iarger cnlini. Upon tic main
W,,,Js with that before proposed, making lts
watcr-)ine one foot lower. Composit locks
Gallon, aid iift tic similar to tlloso nlrcady
enumerated: No swlnE.bridges So Or r. !ns!do :'s
amount tif water required for this canal is
estimated as follows: For evaporation and
leakage, 1873 cubic fcet per 1nilo per second,
or l@ cutie. foot per second fol,teanai and
siehty.soven M : cubic feet per second, inaIinx 1
tosul demand from Rock River ut Dixon OF
al7 cubic feet per SECOND. With feeder
ilfty test vide I'm, anu SIX fect IT, deep, ssp
tonal area will be e2s square feet, and the
velocity required to tho above quantity 0.05
feet per seeUud. 10 0btatn this. velocity
tlIroigl. the above section, It VIII bo neces-
ciinAtion uf 0.1f feet to the mile, or SIX feet
tf.a!l from Dixon to the junction with tue main
"'rhe eastern division, from the illinois
iySr to tho fssder y estimated to TO COS. S1
division, from tile feeder tn tho Mississlpp,
s., ,429, 50S.h0 Or sas 9i!o3 per mile; tue feed
CT, ST. 03, ,Bll,fD, or $2U, 30D.n per lnl!e,-nlak-
er tE 81 5Sts' fSf dss e a M9,S liz Grx a4ksa esn
purpose Of losatlng 4 canal loo feet Wide, and
the narrower scctlon would probably admit
as 81 S9TnS 1as S ay. Ds # era eSop and thus
".rhe locks proposed for tlls work Will
admit boats VI capacity Of Sao tons. At
tItreo locksful to boat, lS,7Go tons could DO
passetl lal!S. =,
Eregnt coHia 1l Dc 9'Toagnas " T. tgSs S @ dTon'
alla then BY ii9rs..power through tits cgmal 1,a
to tic l!!lnOlA RlYeF, anu through Ina 1l!l-