Imperial Valley press. (El Centro, Calif.) 1907-current, 1916-10-21
fVCiNEERS' REPORT
NrINUED FROM PAGE ONE,

cry year, during the spring months
the river carries more silt into you
main canal than is removed from tn
canal by the water which is delivere
MO the company canals. DUNG the
est Ct tie year there is usually {
securing tendency apparent. Tho
s,u cling is generally most effective i
tie months following the flood season.
at present the main canal is badl
choked and the canal bottom at it
head is higher than it ought to be
The lesson taught by the data whicl
5 been collected by your engineers
+hot if more water can be KEEP
flowing i'll the canal during the t me
is receiving the least amount of the
heavier silt the more of the silt al
ready in the canal will be carried
away.
Il hesitate to express in cures tho
-~1n''e of S 1t that came into the ca
nal from the river in 1914. Poss;bl'
100000 600 tons in six months. Abou
ten per cent of this huge amount wa
dropped by the water in the canal
~"~ 'ards adjacent to the canal
flooded by it at high stages.
The shortening of the Alamo if
ll,cat On along the base of the san
hiss could be realized would increas
he grade to such an extent that gate
would have to be installed to chez
the flow. 1t is possible that this wor
may have to be done ultimately. Son-
shortening Of the canal is immediate
" desirable. We do not know whet'
er machinery can be secured to d
I'll the work which should be done
+ime to avert all trouble. 1t is one c,
he things we have to figure out wit
time as the important factor.
"Instead of taking water through
ir~de~sfot pete, undoubtedly a new
heading with water pouring over a
irtske would tend to lessen immense.
y your problem with silt. l hope W
will be able to make recommendation
for the construction of such an intake
"We have under consideration tn
putting of more water into the can
for sluicing purposes and wasting i
into Volcano Lake or into the delt
east of TIE lake.
wa eiso e under considerable
the use Of the cid Alamo channel
: supplemental canal to increase tt
], ~@"''v f he cvsten and to assis
in the sluicing Of the upper cana
reaches.
Tn this connect on the extension Of
the Cerro Prieta canal to the Alan
ct the Cudahy check would be an i'm
movement that would be highly a.
, ~ortececrs to the district. You cou'i
t''rr in a maximum flow to the mair
canal and carry it through the connec
-ion to the west SIDE of the main cana
of the strain and at the same time
Glow the upper end of the canal tt
sluice."
M. Grunsky was asked f the engin
eers were aware that the constructio
of the proposed connection would bring
a hundred thousand acres of Mexica
nd under water.
In answer Mr.. Grunsky said:
"I+ will make easier the watering Of
additional land without q doubt. Ther'
s none Of tho land however that coul('
not be irr gated easily by the construc
ton Of laterals bv the land owner
themselves. On the other hand tn
nrorcsed cutoff would be of great ad.
vantage to Imperial Valley.
at would (D relieve the Alamo TO
twenty miles west of Cudshy Chez
for that reason alone the canal
ought to be built. 1t would p bette
serve the west side with water and
MAKE Their service more certain. Nov
siphon and f,ume make the service
r'ther hazardous. 1t would 90 bene-
fit the delivery of water to the Gen.
trail portion of the district. 1t would
(4l provide settling basin north Of
Volcano lake so that the amount Of
silt reaching the west side would be
mater ally reduced 1t would 90 pro-
vide an additional levee to keep water
from the Volcano lake region fror
coming north should it ever break the
present single line Of defense. 1t would
90 help the main canal by acting as
a wsste-way when water could be car
ed in volumes exceeding the irriga
ION demand and put back into Volca'
no lake without danger or damage
A side from the political objections
that may be made to the construction
e this crtoff there can be no doubt
as to its value to the irrigation dis.
trict."
Tho meeting yesterday was largely
ottended by water users and great
interest was manifested in the words
# the engineers, and numerous ques