, 1875-01-01
THE HAEB0R.

tQ&u8 Ll1d year lb uuk bo EIehk II IN PEeFlQu4
aesaons, but enough has been accomplished to
afford ample accommodations for OUT stehd-
liz growing marine interostr. Tho following
HhowB tho total amount Of hazbor and doclago,
calculated In lineal feet, now in existence.
From tho lake to the intersection Of tile North
Brauch-Harbor 1000; dockago, 1000.
South Branch-Ha1bor, a, 500; dockAge, 49,
000
North Dranch-Harbor. 14,ooo; dookags, 49,
600.
Slips and BasinA-Harbo., 37,t50: dockage,
74.30o.
West Branch Of the South Branch--Ha1bor,
17,100; dockags, 81 200.
South Branch Of The South Branch-Harbor,
$500; dockage, 18.G0o.
Total amount Of harborago, III, $50 feet, equal
to Il miles.
Total amount Of dockage, 2s1,1o0 feet, squal
to 43 miles.
The Dock and Harbor Draucht1man OF the
Board Of Public Works il now engaged in re-
placing The map Of hsrbor and river improve
ments, which Was destroyed by the great fro.
When completed it will DO m accurate rsprosen-
talon of Chicago'a marine facilities.
The following is the extent Of improvements
during the past year, both on docks and in d,cdg-
| ing:
DOCK hrilt c,aa5 fee. 4ass
Dredging beS sl4 cubic yards. 174,6t2
Total cost... 457
/ The IQpst important Improvement Ia tha llar-
| bor line Is tho rapid progFess made In the outer
hArbor, which extends from the river to tire centro
line of Van Buren, street, hdistance Of LOGO feet.
| The eou.hern extremity Of this harbor will bo
loft entirely open, although it ia strongly urged
| that the construction Of q breakWater 1t the
southern terminus, to extend to the shoEc with
I'm 1fnI1r mt
on the present plan. Tho authorities hesitate,
however. fearing that tho doeksge and COM
merce Of this port will increase 30 rapidly that
| in two or three years. part would have to bo
! torn up to E,ake southern entrance for vessels.
Tbs broakUater has now attained the length
prescribed by the Government, ths last crib hay
ing been sunk in October. The brcAkwatsr has
been built in Boctious OF cribs, each OF which 10
80 foet long BY so feet wide. The method Of
pnking the cribs ia ans that has never been e1-
porimented with before in Cllcago. aud it IL be-
heved that the now devce will work admirably at
points where the bottom Of the sl1o ID tseacler-
Gus, and has heretofore given trouble in the uni
form settling OF the superetructnre.
| The depth Of the water III which the work has
been carried on Ia from 90 to a feet. An the
northern entrance is protected BY tue north pier
| from tile northeast winds and currenta. there Is
little danger Of the hnrbor becoming filled mp by
sAnd or OF diminishing much in depth for sever
al years. This will bo further guarded against
by the proposed extension Of the north pier 6!0
feet further into the lake. by this aadition tho
Winds and currents will be kept entirely away
| from the northern third Of the breakHater.
The space between tic north pier aud the
breakwatcr ia 457 feet, and the depth OF water
IL feet which il sufficiently deop for the heaviest
laden yeHsels on ths lake. Tho lighthouse on
: tho north pier will DO removed 10 tho now ex-
tonsIou, and will probably be iDcreaeed IN size,
50 "a to be easily distinguished from the sulaee
ones On the GoYarntuent breakwater
: soUTH CHICAGO.
More than sa05, QUO WAS expended by this town
! Inst year in improvements OIL tie Calumet docka
aud lasbor, Tie work. which was begun IN 1870.
! Las steadily progressed. until now the total
length Of dockage IL nearly a mile. The extern
| eioil OF several piers was effected during 1874,
: md a largo n1uorut of dotkaEe has toen built
? unon Buparstructute which waa sunk IN 1873.
Q The moutt, OF tho Calumet River has been thor
: ouehly tiredgod. making IN excellent haroof
1000 feet long, 800 feet Wldo, and - 1eet deep.
affording amplo facilities aud profession
: for vessels in case Of fonEh weather.
largo nuinter Of vessots are Ttnscr,nE
! In this harbor. and more arc expected
O daily. During tho year tho different railroads
: running through South Chicago Iavo each COL.
Q ettueted an iron drawbriaee ACROSS tue taiume& @
T. at al aggregate cost OF not leaB than 4lou, ooV
. Tho total amount which was expended BY ths
!. Calumet authorities in dock md harbor improve
+ meuts last wear will exceed 43u0.0 Tho man
: ulao!usug interests Ut tho town haye been stinl-
= ulated to great extent by tue bHilding Of ma
cliue ant! car-Bhops Ola tim outskirts OF the town
by tho Baltimore i Ohio Railroad, Whcn Ia
necoAsitatel the erection Of about 10y buildings
~ dwellings for tho Workneu and their iAaalllsAs