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<br />UNITED STATES
<br />DEPARTMENT OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />
<br />COLORADO RIVER AND TRIBUTARIES IN LOWER BASIN
<br />July. 1961
<br />
<br />PROVISIONAL RECORDS
<br />
<br /> Colorado Colorado Colorado Diversions between Colorado DiversIons at
<br /> Colorado Paria Little Colorado Virgin River Lake Rl ver Havasu River Parker Clod Blvthe River Imperial Dam Colorado
<br />Date River River Colorado -River River Lake Mead below Mohave below Lake below Colo. R. Palo below Am~~~can _uu~ GUa River Pilot
<br />July Lees Lees River Grand Llttle- Usable Hoover Usable Davis Usable Parker Indian Verde Gibola Gravity River below Knob
<br />Ferry Ferry Cameron Canyon field Contents Dam Contet1ts Dam Contents Dam Res. Canal Va lley Canal Canal Dome Yuma Return
<br /> . t
<br /> cf. cf. cf. cf. cf. acre-ft cf. acre-ft cfa acre-ft cfs cf. cfs cf. cf. cf. cfs
<br />1 11,500 1.8 0 13,460 64 18,817,000 10,800 1,606,000 17,600 597,200 14,300 921 1,810 12,700 9,940 1,820 12 2,160 1, l50
<br />2 10,700 4.2 0 12,930 64 18,828,000 6,150 1,593,000 12,700 599,400 14,100 908 1,760 12,600 10,200 1,730 2.6 2,470 1,710
<br />3 9,760 5.9 .29 11,680 67 18,837,000 10,400 1,575,000 17 ,200 600,200 14, laD 903 1,670 12,400 10,200 1,740 2.7 2,560 1,920
<br />4 9,910 100 13 10.680 768 IB, 846, 000 5,120 1,553,000 17,700 601,400 14,200 908 1,630 12,500 9,990 1,720 12 2,250 1,870
<br />5 9,800 72 0 10,670 512 18,841,000 13,900 1,545,000 17,500 601,400 14,700 903 1,630 12,700 9,960 1,720 7.1 2,090 2,110
<br />6 a,750 24 0 10,450 167 18,830,000 15 J 300 1,547,000 11,500 603,400 14,500 908 1,590 12,900 9,820 1,700 6.1 2,020 1,84-0
<br />7 8,390 16 0 9,470 85 18,817,000 16,900 1,546,000 17,400 605,200 14,600 889 1,790 13,000 10,100 1,570 26 2,140 1,850
<br />8 7,900 8.6 0 ::1,030 69 18,813,000 12,200 1,537,000 17,200 607,200 14,300 893 1,740 12,800 10,200 1,570 4.5 2,230 1,590
<br />9 7,520 6.2 0 8,420 65 18,813,000 7,720 1,527,000 12,400 608,600 14,600 888 1,730 12,800 10,200 1,560 2.3 2,530 1,680
<br />'0 7,350 13 0 8,020 65 18,793,000 18,200 1,530,000 l6,400 607,000 14,800 893 1,700 12,900 9,750 1, 700 4.5 2,400 1,630
<br />11 7,350 7.1 0 7,810 65 18,775,000 17,300 1,530,000 16,500 605,400 14,800 903 1,870 13,000 9,730 1,660 11 2,330 1,800
<br />12 6,380 5.2 0 7,690 67 18,755,000 15,300 1,527,000 16,500 605,200 14,500 908 1,960 12..600 9,980 1,660 3.1 2,270 1,680
<br />13 6,030 4.2 0 6,850 71 18,733,000 16,200 1,526,000 16,400 605,eoo 14,300 908 2,020 12,5"00 10,000 1,650 .2 2,240 1,360
<br />14 5,910 3.8 0 6,520 n 18,717,000 15,900 1,524,000 16,500 606,aDO 14,400 898 1,860 12,50J 9,geo 1,070 .8 2,350 1,260
<br />15 5,820 3.2 0 6,340 74 18,707,000 10,600 1,512,000 16,400 607,000 14,300 893 1,830 12,300 10,100 1,7'::0 0 2,320 1,190
<br />'6 5,500 3.4 0 6,240 76 18,703,000 7,320 1,502,000 12,800 605,600 14,800 893 1,770 12,300 9,930 1,610 0 2,260 1,180
<br />17 5,030 3.8 0 5,880 78 18,681,000 16,300 1,502,000 15,500 603,eoo 14,800 893 1,800 12,300 9,690 1,710 0 2,150 1,240
<br />18 4,700 3.6 0 5,530 78 18,663,000 16,200 1,502,000 15,300 602,600 14,600 898 1,930 12,700 9,580 1,740 0 2,070 1,230
<br />19 '4'880 3.6 0 5,170 78 18,638,000 16,200 1,503,000 15,400 601,400 14,300 878 2,010 12,400 9,620 1,770 0 2,170 1,200
<br />20 4, 80 4,5 0 4,800 76 18,615,000 15,000 1,501,000 15,400 599,400 14,300 873 2,080 12,200 9,610 1,760 0 2,140 1,lED
<br />21 3,830 14 0 4,510 80 18,593,000 14,300 1,498,000 15,300 598,000 14,500 863 2,130 12,000 9,630 1,730 0 2,120 1,150
<br />22 3,760 13 0 4,280 78 18,580,000 9,060 1,483,000 15,300 595,400 14,500 858 1,970 12,100 9,300 1,730 0 2,160 1,170
<br />23 3,650 9.6 0 4,180 80 18,577,000 5,930 1,471,000 12,400 595,000 14,600 858 1,770 12,500 9,180 1,710 1.9 2,360 1,170
<br />24 3,480 4.5 0 4,180 81 18,553,000 14,400 1,468,000 15,800 589,500 15,000 858 1,850 12,600 9,170 1,780 2.5 1,760 1,170
<br />25 3,340 4.0 0 3,940 107 18,529,000 16,700 1,469,000 15,700 586,500 15,800 839 1,850 12,700 9,110. 1,720 2.5 1,380 2,040
<br />26 3,240 3.8 0 I 3,780 72 18,501,000 17 , 300 1,470,000 15,900 585,100 14,600 848 1,960 13,000 9,650 1,770 2.5 1,280 2,300
<br />27 3,220 3.6 0 3,650 72 18,469,000 19,600 1,476,000 15,500 584,000 14,300 843 2,010 12,600 10,100 1,690 2.9 1,250 2,540
<br />28 3..160 3.6 0 3,610 74 18,436,000 17,200 1,475,000 15,600 580,200 15,300 834 2,050 12,300 10,300 1,650 3.1 1,260 2,800
<br />29 3,140 3.4 0 3,550 74 18,417,000 12,100 1,470,000 15,700' 579,800 15,400 823 1,900 12,500 9,850 1,600 2.3 1,260 2,460
<br />30 3,180 13 0 3,520 la5 18,404,000 8,640 1,462,000 12,300 577,000 15,300 813 1,700 13,400 9,520 1,490 3.1 1,310 2,560
<br />31 3,200 86 314 3,550 345 18,380,000 15,900 1,460,000 16,600 573,200 15, 100 813 1,770 13,400 10,200 1,480 3.3 1,180 3,060
<br />Hean 5,934 14.6 11.5 6,787 126 --- 13,360 --- 1S,690 --- 14,640 878 1,843 12,620 9,825 1,681 3.8 2,01::. 1,729
<br />Acre- 364,900 898 706 417 ,300 7,750 -- 821,SOO --- 964,800 _h 899,900 53,970 1l~,300 775,900 604,100 103,400 236 123,900 106,300
<br />feet
<br /> SEDIMENT
<br />1'ons 682,200 --- --- 540,500
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<br />. Furnished by U. S~ Bureau or Reclamation, based on powerplant records.
<br />Lake Mead ~vaporation by mass-transfer method during month was 123,000 acre-feet,
<br />equivalent to 12,3 inches.
<br />
<br />tCombined flQW of r~ver, Yuma Main Canal wasteway and
<br />Reservation Canal Main Drain No.4.
<br />
<br />DOUGLAS D. LEWIS, District Engineer
<br />Tucson, Arizona
<br />August 16, 1961
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