The Daily Missoulian. [volume] (Missoula, Mont.) 1904-1961, 1909-08-15

Will DE had at s. per ton. in which
case the cost would he 5000 per acre
Year 1t is claimed, however. that 100
days pumping cannot possibly supply
this land. but that the number o. days
must he increased to 80. If 81. tie
cost per acre year. with coal at 81 per
ton. using improved machinery. de
mandine but one and onc-half pounds
ner horsepower hour (Which class Of
machinery will be installed if $50 days
pumping per year j. dcmandedl will
make the cost practically SO per acre
Ter yea.
Fur IN" purpose of comparing costs
of small pumping plants Let lis return
Ia California. In the san joaquin val
ley irrigation has been pFactic"d Tor
many years. ana there exists great
many small pumping PLANTS. lifting
water from - To 80 tect. The irrigated
crops arc principally alfalfa. melons
mi orn. owing To III" long sc.,>on
from FIVE To- seven crops Of alfalfa.
with total al fran -even to twelve
tons dry hay per aCr" per year. can
he counted ON when th.r. IL Il Suffl-
cient supply Of water. 81 far DIS ,nn
he aSccrtainel. alfalfa requires from
three /" six acre feet per year. depend
ing uron the character of the soil and
the condition OF the land. In this val
ley it il expected that the first crop
will be- grown without frrigati. n. The
RECORD giv"r by W. J. Woodward for
a specific plant in that valley is as fol-
lows:
In irrigating my 50 acres Of alfalfa
the plant is operated from - to al
day. OF each season. About 50 acres
nf other Crons are irrigated between
the watering of alfalfa. II will be un-
derStn"d that with pump irrigation
WITH plant of moderate size on ac-
count at TIE comparatively small acre
age that can be irrigated Der da--
there is period Turing the growth =
The alfalfa cr"n when water comes tn,
ate To benefit th" growing crop and
t." "arly to ," OF much benefit to th.
iutur" crop. 81 that the acreage Of al
Ialta that can b" prnfitablv grown is
limited I" the amount that can h. ir-
rieate'l during one half of the growing
pertnd 81 each crop. or say l. tn 20
days. There IL. therefore. a rerind IF
10 t. l. days between the irrigatinns
"a "'i'h'41 NAfil Atlr' water can nE used
rr"titahly for other crops
our water supply j. from That arr.
called n"n-flowing artesian wells The
water stands at depth 81 fran : 10 4
feet below the surface. according To-
the elevation of the land Tire water
b"ArinS gravels are in successive.
Stratas from few inches t. : ~ 6 feet
IN thickness. ranging from 10 tn 81 feet
part IN depth. My pump i supplied
from foCr l2-inch tubular wells bored
IN Il line 20 feet apart ranging in
depth from 81 t. lO6 feet Each Well j.
ended in a different rvayeI stratum.
The l--inch No, il gauge black steel
f1Eet singh collar casing IL betldtd III
the clay directly above th.. STRATUM If
gravel i'm each We'll. Success IA Obtain
Ing a sufficient Water <annly from
A"Il& n this ;",.ur deta,r.et~ i.tr.alA
"n th"tr Er"Ie~ ,'erelaf 1T -sG III Nv
h bring. the l~.-' result 81. n&.,ains-I
= pumping 'ae we'll at ;in... With
d powerful enSIi" and .-@nfrsluy.I
Hu"'p- grade ~ .r"rea>i'. 49, sped
unit alt fine INA l-r.al l. r.u.r:..~l 81;
,,mJ a waler-fil',i "a,i' e. c..u~.d.r-
C"utsmuei IN Page Ten)