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<br />IRRIGATED MaGS m COLOR/.no RIV'.:-.a BASIl!
<br />~-_.
<br />As Reported by U. S. Consus Buranu
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<br /> 1902 19(]) 1919 192-) 1939
<br />Ari7. onn 246.1366 ;'17.661 461,694 ?o72.239 640 ,110
<br />Co.l Hornin 10, 000 213.611 1147 ,384 164,653 45L,,760
<br />CO 101'1110 417,1139 617.2h2 '766,'532- ()'j6,lI13 !3l~, ,494
<br />1I0vnda 11.401 lj .050 0,546 12,300 13,080
<br />EeYI Hexico 2'j ,OlJ) 37,300 53 ,Dee 55,310 49,841
<br />utah 92.622 167.'207 362,576 3117,452 324,899
<br />Hyoming 110,566, 183.522- 211,:j07 ,~o ,69~ 'j!73,Sm
<br />Dasin Totals 927,183 l.550,546 2.312,546 2.537,121., 2,601,963
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<br />The above table indico.tos thc irri(;(\tion davolopmont of the Colo-
<br />rado Hiver Bnsin sinoe 1902, or illustrates "Claimin(; the Basin" for o.gri-
<br />oultural purposes durin(; the past 40 years, and is no\; inconsistent with
<br />dnta appearing in the Report for the B(\sin as a whole. Tho table at pnge
<br />27 shows 2.400,000 aores irri~ntod in 1922, wherans the nbove tnble shows
<br />2.;' 12,5M acres in 1919 and 2,537,121., acres in 1929. Later in the Report
<br />a fiGure appenrs of slil~htly more than 2,600,000 'lores, which reprosents
<br />tho present irrignted o.creaGe oxo,lusive of allowonoes made for irrignble
<br />land" of existinG and authorized projects to ba irriG"ted in tho future,
<br />whiCh figure is substnntially tho SllJl\O as the 2,60l,963 o.ores reported by
<br />tho U. S. Census Bureau for the senson of 19;'9, although there a,ro unex-
<br />plainod differenoos in 'bho f1(;uros whon oonsidorod by individual States.
<br />Colorado questions tho ndvisnbility of reportinG information concerninG
<br />Ilmds oonsidered irrigablo in 1922. unless ,it oan be shoYa! that tho deter-
<br />minal;ions v.ere based on land c Ins si fioation definitions thnt were uniform-
<br />ly nppliod in both bnsins and Nations. Information oonoornin(; develop-
<br />ments in Hoxico would not oomo yrlthin the title of the Report. \'!hatovor
<br />dnto. l'er,nrding Mexioo mo.y uo juotHied for inolusion and presorva'bion in
<br />tho Hoport, if' MY, might bottor o.pper\r in the followinc; Chapter entitlCld,
<br />":Jj.'ri.dinr, tho 1-btor," o.nd in tho soction thcroof ontitlod, "Hotv.<:lon the
<br />Viti-cod S'l:-\-I;os nnd Iloxico." Color,,,lo points out that tho irri(;o.:l;od o.croae:e
<br />in tho Baoin. accordinc; to tho nbove table. inoreased from 9Z7 ,103 acres
<br />in 1902, to 2.60l,963 aoros in 1939; and sug(;ests that the Bureau of Re-
<br />clall\(\tion segregate tho incre[\se of l,674,780 o.cres as botween federal
<br />nnd priVate developments. In this connection Colo~''\do notes th~,t tho ir1'i-
<br />r,r\tcc1 1101'00.[';13 in tho Color"do Rivor llnsin in Colorndo inoro::tood from
<br />417,839 acres in 1902 to Ol111,lf)4 acros in 1939, and says tho.t tho increase
<br />of 1126,655 acres in about 40 years may be attributed to federal develop-
<br />ments to the extent of 90,012 ncros, I1nd to private development:s to tho
<br />e:dont of 336,61,3 nares.
<br />
<br />27. Chapter III, entitled, "Divid1.nl~ tho \Iater," oon'l;o.ins an outline
<br />of tho 1'o.ctors said to h[\\Te motivatod 1:he no[';otio.tion of tho Colorndo Ri-
<br />ver CO!;lp::tct, (lJld is arranged in tVID pm'to entitled, "Dotwoon the Upper nnd
<br />1ov",r !\(Isins;" and "netwoun tho Unitod 1;loo.-I::eo and ilexico." Subject headinGS
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