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<br />RIO GJWlI)E CWI'ACT CClUllSSION
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<br />RIO lHWfIB BEI.Olf ELEftWl't BUTrE DAJ(. I'lEW IIE.IlCO
<br />Location._ swi sec. 25, T. 1:5 S., R. 4. W.. (_p projeotion of land. aurrey into l'edro AnD.endar1& Grant) approx1mately 5,500 r..t
<br />~_ trom Elep1lant Btltte IlIIII outht..
<br />ueter~ Equlp1Ull1t._ a/f.1l d1...tn tr~ oable _ appro:dma.tely 11'1' t..t betweSl1 wooden 1.1" flog.. .quipped with Bit-down OIU'
<br />&Il.oeOI.
<br />
<br />!1nr Seotlon.- Seotion tmder oabh regular &1:'1"l-..nd bottOlll. J'l0'lr approaohu cabl, .t risht 1U1l;1e at all stag!'" Chazmel
<br /><lrldglll1 W1l1t.r of 1938.:59 oonneotion pcnntr plllJ1t eonat:ruotioI1.
<br />
<br />CClntrol._ Cmtrol 18 alight rher 'lotion oonltrletlon about 1,150 t..t beloir I!:Bge ooouloned by bridte, and oonf'mllllllmt at
<br />--rlTi'r olumnel between hill and rOll.d vade. Flood dhoharge into rlnr 'from liIl'Gal Canyon IIld Cuch1llo Cr..lI:. about onl 1Il1b
<br />b81011" r,:I.gI, would oauls baokwater oond1t101:1.1 at r;ag.. J.ooW'acy not &treeted a. time of IUMl. ClonditlC1l." alway_ Im.01ll1 md
<br />o01llpenlllted tor by additional lIlfIter lduurellUlntl all n.edlld.
<br />Bo appreoi&b18 1I4flO'11' OOourl betnen location abandoned April 23, 19"'2 and new gage 0.11i1l10 dOWllltream. several sull
<br />arroyoe enter river "above prel~t gage and the one abandoned, but int10w 000lU'1 only OIloe or t'lrlCI durw..; rainy season tor-
<br />periods of only 1/4 to 1/2 hour at time. Thill volume 18 lIlUll IIlId o~ alway. be aoauratdy 1I11m1M.t.d trOlll record at t1m..
<br />of ooourr.nOll,
<br />
<br />Roll!;ule.tion,- nO'll" 18 oompletely regulated by etoragll in Elephtmt Butt. lI.e.enolr. Varying river flaw depending 8Iltirely upon
<br />flow tlu'ough pOlfOr plllI1t, or r;ate oontrol at the da.ml.
<br />
<br />Acouraoy,~ Reoordl excellent.
<br />
<br /> llean Dail '" Dhchar"e in 3econd Feet J_, 1 to Deoelllber- :n. 19..
<br />lJo.y Jail. Feb. I~ar . Apr. Yay J~. My '''''' Sept. Oot. !JO'l'. lJo...
<br />1 1.090 1,120 1.180 1,140 1,100 1,160 1,190 1,620 1.140 890 1.120 1,250
<br />2 1.010 1,100 1,190 1,010 1.220 1,190 67' 1.630 1.210 ".., 1,1:50 911
<br />, 1.080 1,120 1.260 1.100 1.150 1,150 1,010 1.660 m 1.12"0 1,1:50 1.050
<br />. 1,060 1.200 1,190 1,180 1,180 .01 ". 1,150 ... 1,060 1.090 1.220
<br />, 1.120 1,160 1.030 1.180 1.190 1.090 1.120 1,6:50 99. 1.130 ." 1,250
<br />. 1,380 ." 1,1:50 1.200 1.190 1.110 1,-280 1.:590 1,120 1,060 1.0~0 1,300
<br />7 1.500 1,090 1.130 1.200 ". 1,250 1,500 1.650 1.040 1.060 1,120 1.350
<br />. 1,560 1,14.0 1,180 1,140 1,150 1.570 1,no 1,"90 1.180 ". 1.160 1,4.30
<br />. 1,170 1,180 1,190 1.030 1,260 1,350 1,150 1,480 1.200 1,020 1,110 1,370
<br />10 1,420 1,110 1,140 ." 1.260 1,380 1,250 l,4S0 1,060 1.150 1,110 1,060
<br />11 1,390 1.110 1,140 1,0<0 1.220 1,110 1,520 ).,580 1,170 1..140 1,090 1,300
<br />12 1,390 1,130 1,120 1,160 1,210 1,320 1,580 1,560 1.210 1.180 89l:) l,~O
<br />" 1,250 '" 1,050 1,160 1,"" 1._ 1,100 1,290 1,160 1,160 1.140 1,390
<br />B 1,080 1,140 1,250 1,200 ." 1,4.20 1,150 1,530 1.180 1,OSO 1,210 1.320
<br />15 1,020 1,14.0 1,180 1.130 1,110 1.410 1,750 1,<<'0 1,200 857 1,230 1,270
<br />" '07 1,210 1,200 1,000 1,210 1,330 1,480 1,560 1.180 1,030 1,210 1.180
<br />17 .'" 1.160 1,200 1.130 1.250 1.330 1,600 1.540 1.000 1,210 1,290 1,(120
<br />15 1,020 1,160 1.220 1,160 1,260 1,160 1,410 1,800 1,1~ 1,140 1,210 1,310
<br />19 1,070 1.190 ". 1,190 1,260 1.2<0 1,710 1,820 1.150 1.130 ' 1,000 1,_
<br />20 1,030 ." 1,240 1,190 1,300 1,310 1,730 1,480 1.180 1,150 1.130 1.510
<br />" 1,050 1,130 1,180 1,290 '28 1.230 1,670 1,610 1.160 1,110 1,210 1,590
<br />22 1,140 1.130 1,160 1,210 1,130 1,200 1,650 1,520 1,150 991 1,130 1,510
<br />" 1.000 1,190 1.180 1.110 1,160 1.250 1,"'20 1,240 1,110 1.150 1,100 1.350
<br />" ~,160 1.150 1,210' 1,180 1.170 1,220 1,630 1,240 ... 1,220 1,090 1,120
<br />" 1,240 1,170 "1,110 1,250 1,230 ... 1,680 1,200" 1,180 1.110 1,040 ...
<br />" 1,490 1.110 1,080 1,220 1.090 1,000 1,140 1,150 1,090 1,160 ." l,i::40
<br />" 1.550 1,040 1,150 1,220 1,110 l,lb2 1,140 ." 1,060 1.l00 1.000 1,240
<br />" 1.280 1,120 l,~O 1,200 '07 1,190 1,700 1,010 1.130 1,100 1.170 1,290
<br />" 1,070 1.230 1,260 1,240 ... 1.190 1,160 1,100 1, olio .,. 1, no 1,260
<br />'0 ... 1,220 1,010 1,160 1,130 1,6:10 1,100 1,130 1,080 1,200 1._
<br />31 1.010 1,190 1,110 1,850 1,100 1,200 1,110
<br /> ... .
<br />, SeeOlld~ b-ott 111
<br /> , I!onth toot~d.y. ........ U1ni.....lII. ..~ .lore-teet
<br />J~ry . , . . . . . , 155.451 1,560 .07 1,115 72,300
<br />February . . . . . 32.825 1,230 97. 1,132 65,110
<br />lfaroh . . 36.2U 1,260 ". 1,168 11,830
<br />April . . l'it,436 1,290 ." l,B8 68.:100
<br />May. . . 35,815 1,300 "907 1,151 10.760
<br />J\llle. . 36.792 1.670 '01 1,225 "72,980
<br />Jul,. . . 48,231 1,710 '" 1.492 91,160
<br />Aur,uot . . . . 44.258 1,750 9O' 1,428 81,780
<br />September '. . . 33,402 1,210 ." 1,113 86.260
<br />October. . . 3:1,149 1,220 857 1;089 86.9to
<br />l:o'Rlllber '. 33,473 1.290 ... 1,118 86.390
<br />Deoe.her '. . 39,525 1.590 911 1,275 Ta,too
<br />Y...r . . . . 4(,3.000 1,770 675 1,211 . 878, BOO
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