Richmond daily palladium. [volume] (Richmond, Ind.) 1876-1904, 1900-03-15

CONTROLLING WORKS AT LocKroRr.


age from its lake front to the Missis
sippi watershed. much against tn
wishes and will of the residents aloni
the said watershed, by the way. ST
Louis, Peoria and other cities an,
towns past which the sewage OF Chica
go will now wash have protested AM
asked for injunctions from the incep
ton Of b canal to its completion, blu
all to no effect. The canal has beef
built and the water turned in. and tn,
sewage will probably continue t. flow
into h Mississippi.
The length of the artificial canal from
Robey street, Chicago. to Lockport
where 1t enters the Desplaines river, II
% miles. At Lockport the channe
widens to about SOC feet into q wind
age basin. The fall from the mouth OF
the Chicago river to the Lockpor,
works Is only seven feet. SO that the
dow Of water In rapidity and volume
through the Chicago river to the canal
Ia entirely controlled by the bear trap
dam and controlling works situated al
the Lockport terminus. the fall south
Of the controlling works being abrupt
and about 40 feet in the next four
miles.
The controlling works involved the
construction of seven sluice gates of
metal. with the necessary bulkheads.
and one bear trap dam. The sluice
gates have a vertical flow Of 20 feet
and an opening Of 80 feet. The bear
trap dam has ar opening Of 100 feet.
Below the controlling works the Des-
PLANES river was deepened and widen
Ell to have a capacity of 100000 cubic
feet Of water q minute. This made ex-
tensive Improvements necessary in Jo-
iiat, including the rebuilding Of dam
NO. l. tne remova or Jam No. z, the
building Of locks and the construction
of q massive concrete wall to separate
the Illinois and Michigan canal from
the river.
Although not exactly "a modern won
der or a marvellous feat Of engineer
Ing" rs labeled by the Chicago dailies,
the drainage canal compares favorably
prises OF a similar kind.
The Kiei ship canal cost the same
moun and the Manchester canal from
$6O.OOO.OOO to $40. 900, 600. The Suez
canal was capitalized at 500. OOO. 600,
and the Nicaraguan enterprise il esti-
mated to cost from 1S.OOO.O 600 to
$133. loo. 900. The Manchester canal rs
IS miles long and has an average width
Of 12O feet al the bottom and = depth
OF 20 feet The Suex canal. from Port
Said to Suez. is so miles long: the North
sea canal. connecting the North sea
and the Baltic. Is 81 miles 10 length.
with a width of - feet and q depth of
y, and the Amsterdam canal Is 17.Q
miles long. with a width Of 81 and q
iepth OF % feet
Irrfgation In siberia
II the winters are long In Siberia and
very cold. on the other hand the sun
lners are extremely warn and dry
The small ear Of water dry up
during this season. and agriculture suf-
fers much from this state of things
To remedy the evil the following is
what the Inhabitants of certain dis
tricts do. During the winter they col
lect the SNOW which, as Is well known.
falls In abundance In these regions and
accumulate 1t at the bottom Of some
narrow valley. They press 1t and
make ii compact, 80 hat 1t will be
Of the winter they cover the enormous
piles which they ave thus formed
with branches. straw. manure or earth
in order TO protect b snow against the
rays of the sun and the exterior heat
Then. when after long days without
rain the temperature II much elevated
and the water OF the streams begins TO
dry u =. the snow. In spite OF Its cover
ing. commences to melt and by meA
Of a ditch made for this purpose the
water which runs down supplies III
river until the return Of winter.