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<br />
<br />001744.
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<br />D~;IT:::D 5':'':'.':':::5
<br />DEPAR':'::;:::'::'!' OF T::::;:: :J:':-ERI:)~
<br />G:::O~OGICh~ SJ~~~Y
<br />
<br />COLORADO RI',1ER M:n ':RI:5'J':'AR:;::::S 1;; ~Q',;ER :=ASn:
<br />J2n:~8.!'Y 19E':C
<br />
<br />PRClVISIONAL RECORDS
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<br /> Co:'o::,ado C::'cr'aic ::0:'0::"20-:> D~ ';erS::-0:-:i -10':'",:;2:-. Cc:~rGdo D:"';c:;,siQ:lS ~"
<br /> Co lorado Paria Li'ttl€. Co}orado V:'rgin Ri'.'er 'La%e R':":er -.f." a ~..: ;:(:"':er P",:'zer 2~.C 3:':-,-,'_" R1.';er I::-:~e::,:"a :. Dr,- Colorado
<br />Date River River Colorado Rj.','er River LBke IlJead be:ow I.b:-.c":\': be:0;'. _2.~:t: ~ e _G:': ,-,0::'0. R. ?c.:: te:c" ,,~ ~ G~~'~~ ::: Gile. River Pilot
<br /> Lees Lees River Grand Little- :'Jsable Hoover Usab.:..e Da\".'..s '_'rab:'" :;cr%er ::-:d.'..2:-1 Ve:"ce C:::ola A.":1€::'lcar. River below Knob
<br />Jan. Ferry Ferry Cameron Ca.nyon field Contents D2::-. Ccnte::ts D2~ Cc':er'::c D,,-~ Res. C2:-.Z: Va::ey C;;:n<,-l Canal D:lr.1e Yuma Return
<br /> . t
<br /> or, or, or, cfs or, aere-ft efs ccr€-:':. efs ?cre-:'~ e1's cfs ::s ers or, ofs ors ofs or,
<br />l 4,850 7.2 0 5,380 109 19,293,000 4,500 1,618,000 5,120 5'79,800 5,140 413 60e 4,660 3,450 20' 86 1,290 0
<br />2 4,830 4.7 D 5,350 112 19,292,000 5,180 1,614,000 E,EnO 545,800 5,090 413 750 4,880 3,760 366 90 1,510 0
<br />3 4,700 5.7 0 5,310 112 19,280,000 10,800 1,620,000 6,730 545,';'00 5,040 415 657 4,860 4,170 605 94 1,770 0
<br />4 4,520 4.7 0 5,180 116 19,271,000 11,100 1,628,000 6,830 5-1.5,900 4,900 422 720 4,800 4,310 639 97 1,860 0
<br />5 4,250 4.5 0 4,970 118 19,260,000 11,300 1,636,000 6,660 546,500 4,300 428 861 4,660 4,450 577 98 1,680 0
<br />6 3,970 3.8 0 4,700 118 19,248,000 10,900 1,643,000 6,570 547,700 4,700 431 912 4,480 4,240 Oll 100 1,560 0
<br />7 3,740 3.8 0 4,450 ll2 19,238,000 8,360 1,644,000 6,540 547,700 5,110 431 853 4,060 4,100 345 99 1,430 0
<br />9 3,630 3.8 0 4,240 ll6 19,237,000 6,110 1,648,000 4,';'30 547 ,200 4,950 431 8ll 4,150 3,770 266 99 1,480 0
<br />9 3,570 4.2 0 4,100 122 19,219,000 11,800 1,660,000 5,430 542,700 5,740 514 796 4,360 3,480 449 104 1,360 0
<br />,0 3,420 5.2 0 4,040 124 19,208,000 11,400 1,668,000 6,460 559,J.00 E,810 554 8ll 4,420 3,050 577 109 1,510 0
<br />11 3,380 5.9 0 3,920 ,22 19,192,000 l1,4QO 1,676,000 6,510 t36,900 5,690 554 880 5,120 2,970 550 110 1,390 0
<br />12 3,420 6.4 0 3,860 120 19,180,000 11,300 1,685,000 6,530 535,100 5,860 627 988 5,120 3,140 474 110 1,400 0
<br />13 3,450 6.4 0 3,880 122 19,164,000 11,700 1,693,000 6.600 536,000 4,450 659 1,040 4,970 4,070 433 ll5 1,810 0
<br />14 3,630 12 0 3,950 ll6 19,153,000 9~ 050 1,696,000 6,610 537,500 4,450 432 1,010 4,760 4,550 380 ll3 1,650 0
<br />,5 3,790 8.9 0 4,070 ll8 19,150,000 5,080 1,694,000 6,670 536,4.00 5,110 0 1,020 4,060 4,410 339 110 1,620 0
<br />16 3,970 8.9 0 4,220 128 19,120,000 10,600 1,696,000 9, ~80 536,200 5,170 0 1,020 4,060 3,930 579 108 854 0
<br />17 4,180 11 0 4,380 128 19,109,000 10,400 1,G97,OOO 9,660 539,500 5,000 0 1,060 4,860 i,860 675 105 758 0
<br />13 4,320 16 0 4,530 122 19,093,000 10,300 1,700,000 9,790 544,000 4,940 0 1,100 4,760 4,040 651 107 658 0
<br />19 4,480 16 0 4,730 ll8 19,083,000 10,600 1,699,000 9, ~;40 54S,800 4,390 0 1,030 4,630 4,050 679 107 721 0
<br />20 4,550 13 0 4,830 120 19,072,000 10,800 1,702,000 9,630 554.,400 4,390 0 1,030 4,630 4,210 6Bl 109 763 0
<br />21 4,650 13 0 4,910 122 19.065,000 6,980 1,694.,000 9,630 561,100 4,200 0 886 4,400 I~J06{, 536 lOB 790 0
<br />22 4,720 16 0 5,000 116 19,064,000 5,650 1,693,000 6,380 566; !OO 4,270 0 760 4,440 3,750 419 108 745 0
<br />23 4,780 16 0 5,120 124 19,053,000 11,300 1,693,000 11, 200 566,100 6,340 0 867 4,460 3,300 493 108 830 0
<br />24 4,750 16 0 5,140 124 19,04.3,000 10,400 1,690,000 11,200 564,800 8,140 0 910 4,440 3,250 607 108 963 0
<br />25 4,720 16 0 5,1.30 ll4 19,030,000 10,800 1,690,000 11,100 561, :'>00 9,730 0 886 6,030 4,OFO 656 108 1,770 0
<br />2€ 4,650 '6 0 5,120 ll6 19,021,000 12,000 1,693,000 11,000 554,..00 11, 800 0 946 7,990 4,540 616 108 2,960 0
<br />27 4,700 16 10 5,120 163 19,015,000 9,380 1,690,000 10,800 550, ~OO 10,700 0 910 10,000 4,760 425 108 2,700 0
<br />28 4,780 16 12 5,120 202 19,009,000 ? ,370 1,582,000 10,900 546,500 10,100 0 8", 11,000 6,910 317 108 3,560 1,960
<br />29 4,960 16 7.1 5,170 149 19,004,000 7,000 1,683,000 6,490 54-4,000 10,800 377 834 10,400 7,BOO 320 105 3,660 3,090
<br />30 5,140 16 4.6 5,350 141 18,992,000 12,300 1,690,000 8,370 5.;1,600 8,430 607 826 10,500 8,020 536 102 3,600 3,710
<br />31 5,220 18 3.3 5,560 130 18,978,000 11, 900 1,696,000 8,430 546,300 5,680 683 920 9,460 7,570 5f.~' -400- 103 3,460 3,540
<br />"lea:l 4,314 10.6 1.19 4,736 125 - 9,605 --- 8,010 --- 6,162 271 990 5,660 4,388 1,;'0'-1'-"" 105 1,681 397
<br />A,r'- 265,200 649 73 291,200 7,680 --- 590,600 --- 492,4.00 --- 378,900 16,640 54,71,0 347,900 26'3,800 ~ ~c.,.630 6,430 103,400 24,400
<br />:'eet
<br /> SEDIl1ENT I! ,16')'111
<br />TOflS 218,100 --- I --- I 11,600 50< [':tt,.
<br />
<br />. Furnished by U. S. B~rea~ of Reclamation, based on powerplant records.
<br />Lake Mead evaporation by rnsss-transfer method during month ~as ~9,200 acre-feet,
<br />equivalent to 3.8 inches.
<br />
<br />tCombined flow of river, Y,,::,.a :'la::':"\ Canal "'2s":,e',.:av and
<br />Reservatic~ Canal Main Dral~ ~o. 4.
<br />
<br />DOUGLAS D, LEWIS, District E~gineer
<br />Tl..cso:l, Ari::o:13
<br />Feb, 14, 1961
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