New Orleans daily crescent. [volume] ([New Orleans, La.]) 1851-1866, 1866-04-21
sHoRrEN1Ne THE HrssIssIppr.

4 Tn fha Man,rb;s h,,naal of the 18th instant WI
find a Latter fror cartsin James Lee President o
the Me,,nb;s Ch.n,har Of commerce on the sub
;aot of ,,ro+a..nr tbs nJ;ss;ss;nni valley aeains
;nrndat;o, and ~ ;n,nrovi,e the navigation of the
r;,or Tb;s 1attor !; o1c;tad bv the action of the
laa;slatnre at its last session authorizing
~. r.o,ar,,, - communicate and confer with the
c..,ar,,., - tho soyeral States bordering on the
,r:..;.e,.ss; -, ~ tbo chambers Of commerce
e - ~. - ,ron,nhis g. I,onis and Chicago
a.. s,s... a.. hast nlan for recIaim;np the
,....-.s ..s,,a, fron, tho animal foods of the
... .9s.pp - !, az
-. !, 90. tbat f,anta;n 90 aoa;n hr;no,
!. - ~ a,,nI,aaa on5 rnsc;ant;so ,>,o, .,
IS :. - ,,sa b;s AVN words s.tho tr,a +b.,r,
- s-a;n;n ar n. ,vaters b,, ~
- a;-;a;rr tha,n j. ao,s;n,. ~, - a..
| az ,u,f a. d;ferent n,acea Now II on,,.h;nr !;
a.raon.+rah,a h, eo;anoa ;s on,.h;n,. - -
da,,onst.atod ~, ax,,or;anao i i Az. a.
sborton;n,r +bo M;ssissnn; i y. A. -
draining of it's waters On tbo oo,,+r.r .,,at ,,,o,
has baen fopnd in ,roo.;oa oa - ~. ,s;a.a, r. =
,.;o,.; II he ,,roa,at;,,a f -, 80 ~
"a ba sonrea of ,n,,;tra+ad ~, a,.aa,t ~ ~
r;nar;or ,,ronr;otors ;,,,aa;o+o,,, ahua H. or,t
az If carraa ;nto offao+ - 81. 800. ,,ronosod
bv car.a;n To - -. az ,hs,tan;nn 80 ~
r;.o, ~, +hr.o h,,,,uaa 80 ef.,, ~, ho+ra.r
ca;ro ona Nav oraons -ha ras,1ts ronld he
ooIar,;to,,, ~. ,..,,a n, $500, - ,avoes
49, !; a,,,s s,s.n,;,
n,ass - -, ,uh;ah - .noh oaso would he
80 ~ ~. 1a,.au Tho do,ta ~
tho M;ss;ss;nr; ans al tho .I,,,1;., recon wop,d
Ia ,nnuallv srhmersss and tb;s mart Of The val.
Law would revort - +ha aoo;nion 81 tbe wild fowl
"
These cnnclnsio,s orc ,,ot maralv snecn,ativa
They are deductions from the application of rigid
mathematical formnla confirmed NV exneri.
ment and observation. The calamitous conse.
ouences Of the Raecourci cutoff constitute n CON
spicuous warning against the repetition of So reck.
less a disregard Of the teachings of seience and
the laws of dvnam;cs. That cutoff was made !,
defiance of the solemn protests Of General p. q
Hebert. then State engineer and afterwards Cover.
NOR. That gentleman called the attention of +he
legislature to the effects which would necessariIv
flow from the contamination of the contemn,ateJ
project, but his advice was unheeded. The ,t.off
was made; and the experience of the immadi.
ately succeeding wears justified his sagac;tv and
the accuracy of bis scientific deanct;ons Tbo
ruin Of a large section Of the most nrodret;ve
portion of the State attested the follv of the
pertinent, and the damages which the leqislatrre
was called on TO nav. were The MEASURE Of tho
destruction which a short.siahted nolicv had
It is an essential part of the system Of c,+.o
that the cuts shall be made continuously fro,,
the mouth of the river to that NORTON 1vbers Il 10
proposed to reduce the height of the floods Tbis
ia urped on the prnnnd that tho oroo+ar ,,;t
Of the water in the part where the s,ona bas
been increased by a cnt will brine larra.
volume of water to the norton be,ow wboro a.
sIope has not been increased and ,,bor. oo,.o
ouently. the water viii rise HIGHER thar hoforo
d. This reasoning . saws Ganer,I unmnhro,,.
whose authority will not he disnnted s.mov h.
sound when applied to the small streams had in
view by the writers. where > few honrs n r
material change in the food Int av;dan+,,,; q !.
not applicable to the Mississinni WHARF +ha
water often remains for weel,s at aood hatch. },
The same distinguished engineer saws that no
,ut-off has ever been made 40 as to
Introduce the current from the ont ~
he reach below in the same 5irection that Il |
lad before the cut was made. Asa consaonenca
ba sr,;f.e,4 o,.,o,,4 20
art as it did before the resistance With -
are therefore greater than baforo a,d
order to carry off the same discbaraa flo CIV
ace must rise and thps increase tho sJore aaa
reg o. cross section unless indeed, the power
the current is sufficient to execute the bed at
nee. ms Is not the case with the Mississippi |
le Ded Of which is not in alluvial soil but in an
der geological formation of hard clay which |
eios SO Slowly 10 the current that it may be con
aered almost liked. The condition of the river
many Hliies oeloR IS thus changed by the cut
/, Ing PROCESS q wearing out the channel again
= oe SO graauai lnat the injurious effect of the
son ~ rasiils .ne SURFACE OF the river below
" ior an pracllcal purposes, be called perma-
y. ING general deducuonls that cutoff raises
suiiAoe u the river al the loot OF cut, almost
muoh as II aepresses me surface above. The
~ aposel s renewed only 1.-THE expense of the
ln'fy oeioW. moreover, Il a series of cuts We're !
70 naae' eA.enaihg 70 the mouth OF the river,
neighe Oh inc moods would be regularly [
!, rom point near midway of the series
~ upper ena' ana regularly Increased from
saine poihe 70 the loWer end. The system is
says ueh. uniphreys' entirely inap- Il
cable to the Mississippi either in whole or in Y
It. q
n regard to the other aro,roant, ,,.oa, /
]. and especia,lv arn;n, HE $780,, up. >
,satorv measure Of lotoraI o,,., ppeaeo eon !,
re something to saw.
- c---I----. s = :. - s------------- Ii
~ okEak iNp D were sorry to learn
terday from Gen. Mcintosh, who is in the city, ),