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<br />Colorado-Big Thompson Project
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<br />1I0",plooth f)llm and R"~..n.oir
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<br />Conlilructiol!
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<br />Constnl(.tion of th.. project began at Green 1\lounlain
<br />Dam during ;\'ovember 1938. Tht' first power \Vall
<br />/Zellt'rated at the Grh'll ~Iountain Powerplant in :\Iay
<br />194..1; all construction of thl' dam and powf'rplanl was
<br />('Ompletffl in Oclobt'r 194J. Construction of Granhy Dam
<br />started in 1941. and of AI\'8 B. Adams Tunnel in the
<br />summer of 194.0. \l'otk was curtailffi during \\'orld \'(.'ar
<br />II. but not entirt'ly stoPPt'd. AI the end of th{' war. thf'
<br />tempo of construction Wll" spet'1lffi up. During 1956. all
<br />major features wetI' eS"'l'lltially completed exeepl Ih.. Big
<br />Thomp!<on Powerplant. which was complett'cl in 1951).
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<br />Opt'raling A~t'n('if'''
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<br />Tht' Bureau of Ht"c1amation opt'rat('s all projt"Ct leahlTt's
<br />on tilt' wt'stern slope, includinll poWl'r. storage, and car-
<br />ria!,e. and all !limitar works on tht' e.....tern ,.Iop!' above
<br />the supply canal... leading from Carter Lake and Horse-
<br />tooth He,...r\"oir",. All project works below thl',;e two re!'<'r-
<br />\"Oir,. art' operated and maintained by the :'\ortherIl Col.
<br />orado Walt'r Con.....r\'ancy District.
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<br />BE:\EFlTS
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<br />Irri~ation
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<br />The Colorado-Big Thompson Projt'ct ht'lps ...tabilize the
<br />agriculhual and indu,.trial economy of northeastern Col.
<br />orado. It is parti('ularl~' effE'Ctin> t'ach year during late
<br />mmmt'r months of the irrigation ,;ea"<Jn, and ha... a
<br />trt'rnendotls impact throughout tht' sea,oon in drought
<br />\"ear,.,.
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<br />Principal crop'" include sugar bt't'ts, pot.atoe", bean,.,
<br />corn. ,.,mall I:rains, {ruit..., alfalfa. \t'gt'tables, dairy proo-
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<br />tlcts, poultry', and eggs. In addition, lambs, hogs. and
<br />cault' are faut'nffi {rom tht' byproducts o{ the sugar
<br />beets,
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<br />\Iunicipal and Industrial Wah'r
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<br />.:\Iunicipal supplie,. hne bet'n an important aspect in the
<br />distribution of project water, Originally, nine com-
<br />munitit's had allotment,. totaling 44.950 acre-{t'i't. Eleven
<br />communitit's now recei\"e lull or supplt'mental supplies,
<br />Each year. as urhan population increa,;es, irrigation
<br />allotments are tran,.,ll'rrt'd to domestic purposes. The
<br />deJW"ndable a\'ailability 01 watpr continu!;'s to attract a
<br />\'ariety o{ industries.
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<br />Hy'druelt'ctric Po"er
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<br />From Ihe ('il,!t'rn poria I of the .-\ha B, ,\dam... Tunnd.
<br />"att"r rleSI'('II(!s ahOll1 2.800 fed 10 Iht' fuothill..., :'\early
<br />l'\ t'ry foul of tilt' ht'ad is u~t'd for hydrot'lt'/'trie pOlH-r
<br />11t'lwration. Gro...'i /1l'lwraliun lI\erll/1<''; 760 million kilo.
<br />watt.hour..... or whieh 70 milliun kilowatt.hour,. arc
<br />used b)' projt'd pump... and bC}O million kilowalt.hollr~
<br />are markdt.d to ('ustonlt'rs in nurtlwrn l.olorado. cllstt'rn
<br />\l'yo/llilllo:. an.1 w<,slern ;\t'hru_~ka. Tht' pO\H'r produn-d al
<br />Ihe Bureall pO'H'rplallls is marJ....tcd by DOE.
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<br />The water and pow('r control I.-'/:'nter for Rt'Clamlltioll'!'
<br />rt't'efl'oir!', pow..rplant.... and tran~mis...ion lillt's in \l'yo.
<br />ming, Colorado, and westt'rn i\'ebra~ka i~ at tht' project
<br />ht'adquarters in Loveland, Colo. This Westt'rn Didsion
<br />of th(' Missouri Hin>r BasiJl is an int('T('onnt'Ctf'd s)"t'tem
<br />0115 Rt'Clamalion powerplant... and 391.750 kilowatts of
<br />installed t:'-ll.p.al.'il)".
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<br />Hill: Thuml>~on Siphun
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