<br />uJJ8,,8
<br />
<br />Colorado Land Areas and Water Resources
<br />Distribution by Stream Basins
<br />
<br /> 1....dA".. ht,W.'N Prod~<lion'
<br /> I'.., I""" ('., .,\F
<br />.""..'" UIUo;n :-;., lolL e..l'Il \ F ('."1 ."-I.loli
<br />:\o.l'lau\, , 2,023 1.~1 '12ft 5.0 ~n5
<br />Hit) Gral1d~ :.: ,AS.';' -., 1,550 9.3 208
<br />,.-
<br />:"", ['laltt" " 1 ~l, 13~' HU 1,600 ~I,6 "
<br />KallS3g E !i, ,~15 !O..,'j 20l.1 P 2:1
<br />.-
<br />Arklll1sa~ E 27 ,~'''u ::!I;,!I I,Jr,1I Ii.!! "
<br />Eil.st Slop.' '-,:,,!114 :,:t!' 2,~lr,1I 17,';' 5.'
<br />SanJuan-
<br />D"I",f's W lO,u';" ~I, '; 2,!t~15 1:-'.0 ~"
<br />Gunnison W 7,:I!I;? 7,1 2,536 1.'",,3 3.$3
<br />C"lurad" W 1U,5!l3 10.2 3,585 21.6 338
<br />While-Yampa W 111,532 J(J,I :!,nq 13.1 20':
<br />Wf'stSlope 3l!.5!I5 37.1 11,300 ~.O 2!l3
<br />.:-itat(' Tutti!!, IlI3,!II';';' IlIOJ' !1;.1>20 100.0 160
<br />:--;"tt': '~~:;;timal",d lUlll(,tinw t1Vl'r:lJl;t' ,'aluf'S,
<br />
<br />.-\ l;;t'cund wa" in whieh to illustmte the unbal.
<br />anced distributitin of water I'e~;ource:i in Colorado
<br />is in terms of irri~ation development, A.s t\hown in
<br />a follo.....ing table, the \\'est Slopt. has 61"\ per cent of
<br />the water supplies anrl2t3 per cent of the State's irri-
<br />gated acreage, and the East Slope with but 18 per
<br />cent of the water resourCt'S is attempting to irrigate
<br />19 I:lt:'r cent of the acreage dew loped in Culorado.
<br />Water pmtluction in western Colorado is at the rate
<br />of 1:3..1 A.F. per acre under irrigation, and in t'astern
<br />Colorado is at the rate of Ul A"F. I>t'r acre irrigated,
<br />Such unit rates indicate a surplus supply in western
<br />Colorado and a deficient supply in eastern Colorado,
<br />
<br />Irrigated Acreages and Water Resources
<br />Distribution by Stream Basins
<br />
<br /> 1.......dA.....' hI, W.I..I'r....~.U""
<br /> l'~r 1'''''' I'.r .\,}'.1
<br />,.;,...... Ii....... .\"",. C..nt ". ("~n' ,\0"
<br />:\o,l'lattt' , 15,",,300 ~.!j 1'20 5.0 5.2
<br />Hin.tjrande S "a2,()(}I1 I!I.'; tJ,;;Cl :I.:~ 2.,')
<br />Su_ Platt.. " 1,113,QOH :W.6 !.ooCl !1.6 I.,
<br />Kansas f; 3,2[00 11,1 20Q 1.2 62,5
<br />..\rkansa" >: .470,111111 lV; 1.1511 I;,!I 2.4
<br />Ea;;t s).,pP 1,5l-ln,::!IlH I!UI 2,!I'-,O 17.. I.!l
<br />:-;anJuan
<br />Ilul('N.s W 1.'\5,3110 5,7 2,~'~I,; I~.O 11l,2
<br />';unnis<>n W 2!lfi.lOtl !1.2 2,536 15,3 ,.,
<br />C<>I"rado W 21;3,300 ,,'J :iJ,"r. 21.1; U,lj
<br />Whill'-
<br />Yampa W :I!I,I:!IHI :1.1 2.l'Q 13.1 21.~1
<br />W.'sl Slop..- '11.4,500 ~1J.2 11,:1(1) f;~.1I 130.4
<br />Stat.. T"t:tlll 3.221,1IHO 1011,0 16,Ii20 100.0 5.2
<br />X..t..; . -A~ rl'purt..d by I ~'.40 t:. S, CPtll'lIs-lrriKati<Jn ll"l"a.
<br /> sun 1!13!l)
<br />
<br />Speaking' generally the IimitinK factors in agricul~
<br />tural development in Colorado are 'suitable lands in
<br />western Colorado and water supplit.s in eastern Colo-
<br />rado, In western Colorado the acreages under irri.
<br />gat ion are limitl'd by topogmphic conditions, char.
<br />acterized by narrow \'lllleys surrounded by high
<br />mesa~ and platl'au::" Opposite conditions are the rule
<br />in eastern Colorado where broad \"alleys merge into
<br />flat plains, These physical conditions also affect the
<br />potential future of irrigation dew'lopment in Colo-
<br />rado. Preliminary estimates of arable lands awaiting
<br />reclamation by irrig-atioll show a total of 16,700,000
<br />
<br />MAJOR STREAM BASIN BOUNDARIES
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