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<br />~ilkabwt';J wllh a normal (";Jp;Jrjty 01 1''''.6 million
<br />ane.f{,l:'t i" it d""'l' "t'\"l.nrl. Fort Blmdall Dam and II"
<br />Lakf' Fram'i... ('i\"e and Hig Bend Dam and it" Lake
<br />:-'hlHpe haH' n,mflall'upat'itlt", 01 :l..l million and 1.-;
<br />millillfl a('r{'.J....t, n.,..pt.l'ti\t'I~'. Th.."" fl.ur rt-"-t'n'oir...
<br />arE' npE'mtt'd h~ lhl' Corp... llt' ElIjOinh'r,.. it,.. II part nl
<br />thpir \-li"''''lUfj m<lln ,,!('m Hpt-ration, E\'aporatllln Ifllm
<br />tht."p r{'''{'T\on" l~ Ihe major df'pll'lOr of waIN III the
<br />",lIhba"in. .-\,.. "llO\\n in Fi~lre 29 and FigurE' :10. nt't
<br />t-\-aporatiIJll during \hl' Ill'Hk m"nth 01 :'t-ptf'lllot'r ap.
<br />JlTll1!l'hI"S ]:lO.IIOO ant'-fpl:'t at hoth the Garrison ;'Ind
<br />Oaht. rl:'...eT\'"ir~_ ~t't t'\-ap"ration;:1t Fort Halltbl1 rt-"-
<br />{,T\-oir. during th;. "amI' Illonth. is appr!lximat['I~'
<br />:1,'1.000 lKTe.fl't'1. Fi/..'1lfl' :q
<br />
<br />In lhi,.. "lIhha"in. lotal (\('plf'tion" lfllrn t'\,<lp"rati'Jll
<br />!rom major m;ln lll:Hh. imp()UlldrrH'flts 3\'t'ragl:'s
<br />1.1-;:?.lOII arn-.Il'l'l anl1l1al1~'. whilf' ..\apoTatllln !rl,lm
<br />all ~lIlall n~"<:,r\'I'lr" in tl1l' "lJhha~1ll a\'l:'ra~e" ah"lll
<br />:.!--lIi.:201l ant. lh't ar1llualh. Fllr 11IJrp"st'", of t hi" study.
<br />t'\'Ilf)IJration !rom tht' rl:'''t'T\'llir ht.hlnd I~ig Ht'lld Dam
<br />i... inl'1m!I'd \\'Ith ,.;mall rt-'"t'r\llir".
<br />
<br />\Vater III all Ihl:' "llhh,bln ~t;ltt'" i... l'{l!l"irl",red pub lit'
<br />,b dl:'''nilwr! In ulht'r ,.....f"lion" 01 thi" rt'j)llrl. 111 :-O;otllh
<br />lJakllta, a~ III ,,"rl1t' Ilth...r ",lalt.,.. hent'llt'l1llll"e I" lhl:'
<br />ba"I". nwa"\Jre and llll' limit "j Int. right to u",t-. Tht.
<br />right to surran- watN i" madt, hy application to thl'
<br />\ratt'r Ht~"lJ\lft'b ('''rllmi""illll. Tht,Tt. art' nu f'xplit-it
<br />"Ialtltnr.\- pro\"i"lons in ~'Illlh 1);:lkl'l1I lor th.. IIPPftl'
<br />priali"n of inslrt'am 11"w,,_ In I~l.t:llh(. :'tale,.; of :O;ollth
<br />IJakolit and \r~'nmini:' t'onduclf'd i-\ l'ompad to pw\'id{'
<br />!llr dlil'len! u,,(' and t'q\JJt!lhlt, di\i"jllll oj thl' walt'r"
<br />oj tht. Ht'lll:' FO\JTl"ilt. HiH'r.
<br />
<br />In th(' \rt'"It'rrJ Daknta,.. :-'uhh""in. lilt. tWI) major
<br />watt'r \I""'r,, ,Ht' I'\;l!,oration from maJor rl....t.rvoirs ;Jncl
<br />lrngati'lll. ~lllal1 rl:'''t'r\'oir'' ;lnd farm plJnd... art' i11...0
<br />"ij{llifi\';jllt dt'pll.t"r~ A" :o-h(Jwll 1I1 Fiplre :t~. lht....t.
<br />t'\-ap(l(;ll i'Jn... ffl'lIl major rf."..r\'oir" and irrigati'Hl ha\'1:'
<br />iln'(lllnll't1tor tln.r "I pt'rn'J1l tll all dt'plt'llon:o- in {hi..
<br />...uhh,bill "inn' tbl' {"Un,..tnKli(JllIJf the \Il.~,,"tlri main
<br />,,1t'1ll n'''t'r\o\r ~\'stt'm. On.r In,, 19-H III El-;..... pt-rirJ(-l,
<br />dt'Jllt'llon" dut-' It> ~m;lll ft,,,t'f\oir,, h(l\'1:' (l],..o Int"Tt'<i."t.d
<br />"'J~nifinllltly. Tni" i,.;. hrJ\\t'\t'r. largt.!y dUl: IlJ (Krllunl.
<br />ill!! lor lnl' Hi.t:' Hl'nd Hl:'''t'f\'fllr on lilt' \!i":'"ouri mllln
<br />"tern within lhat ("alf'~"ry During tht> 19.H-I~-;" per.
<br />jod. full ",'T\It't' ltrlgalt'd (leTt'." lI1t"rt';bt-'d lrolll ahmll
<br />",:l,(IOO arTl'S tll O\er :1:2:l.0(Hl ant'''. ['<Inial "t'r.i('1:' lr-
<br />riga(wll al..... lnt'rl:',L~t.d during- Ihat pf'rlOd from Hhout
<br />1'i,l100 acre"to :2l1,IIHl ilcrl:'.~. [)llTlng-tht, 19-1t-I\17.... pt'r.
<br />Jod. tnprl:' W3" :In alm""t 11I.lold int"ft'"a"t' ill W:ltt'r-
<br />"preadt'r irrigallon lrom 1-l.lIio at"fl'" to J:1~)."UO an,'''.
<br />:\llnl1ugh. h~ pt'rn'nt. irrigatIOn lllt"rt-'il"ed dr<llllati-
<br />cally, the tll!ill al'r.." irrig<1lt'd art' "tdllow and total
<br />deplt'tJlll1s rill\' to all l....pt."..1 irrigation llt't"ollnted fnr
<br />only abulIl 2-; Pl'rcent of t hf' 101.11 dt'pIHil.'ll" Jll HI-;~_
<br />
<br />!Juring lhe lH-l-l to 197... Ilt'rifld. lilt' pt'pulation
<br />"hiftl'd from a prim.ITily rural p"pulatJUn (II :1';:2.900.
<br />or ....1 c-; of thl' !ulallwpulation. III a mtlT(' t','pnl~ al.
<br />though prectominatt'ly mral ,.,plit of ~~-l,(lOO rUTal and
<br />1~I,i.~O(l urhan.
<br />
<br />:;:2
<br />
<br />Figure 29
<br />Average Monthly Net Evaporation
<br />Lake Sakakawea (Garrison Reservoir)
<br />
<br />140000
<br />120000
<br />
<br /> '00 000
<br /> 80 000
<br />l' 60000
<br />~
<br />t 40.000
<br />,
<br /> 20000
<br />
<br />o
<br />20.000
<br />40000
<br />
<br />~~ .>- ~----
<br />
<br />Jan f"eb '-Ia. Ap1" M,l~ Jun Jul Aug Sep Ocl NOw Dee
<br />
<br />Figure 30
<br />Average Monthly Net Evaporation
<br />Oahe Reservoir
<br />
<br /> 140,000
<br /> 120,000
<br /> 100.000
<br /> 80.000
<br />" 6(},000
<br />, 40,000
<br />c
<br />,
<br /> 20,000 I
<br /> 0 l_~
<br /> 20,000
<br /> '0000
<br /> Ja'l f" PO "~ar
<br />
<br />-'-""-.~...... .....
<br />
<br />Aor May Jun Jul Aug SeD Oct Nov D€'c
<br />
<br />Figure 31
<br />Average Monthly Net Evaporation
<br />lake Francis Case (Fort Randall Reservoir)
<br />
<br /> l.JO.OOO
<br /> 120000
<br /> '00 000
<br /> 80,000
<br />l'
<br />" 60 000
<br />~. '0000
<br />"
<br /> 20,000
<br /> 0
<br /> 20000
<br /> '0000
<br />
<br />l
<br />
<br />Jan f"eb Mar Apr May Jun Jul Aug SeD Oct No>' Dee
<br />
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