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<br />UNITED STATES
<br />DEPARTMEN'::i' OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />
<br />COLORADO RIVER AND TRIBUTARIES IN LOWER BASIN
<br />December 1958
<br />
<br />PROVISIONAL RECORDS
<br />
<br /> Colorado Co lorado Colorado DiverslonE' between Colorado Diversions at
<br /> Colorado Paria Little Colorado Virgin River Lake River Havasu River Parker and Bl"the River Imr:erial Dam Colorado
<br />Date River River Colorado River River Lake Mead below Mohave be:'..olt: Lake be 1m"; Colo. R. Palo belG;.: RH _ Ul" Gila Pilot River
<br />Dec. Lees Lees River Grand l1ttle- Usable Hoover Usable Davis Usable Parker Iod lan Verde Clbola American Gravity River Knob below
<br />Ferry Ferry Cameron Canyon field Contents Dam Gont8:1ts Dam Contents Dam Res. Canal Valley Canal Canal Dome Return Yuma
<br /> . t
<br /> efs efa efs efs efs 3cre-ft efs acre-ft efs acre-ft efs efs efs efs efs efs efs efs efa
<br />1 6,100 14 ,8 6,630 193 22,471,000 16,700 1,597,000 15,500 542,200 13,900 307 958 11,400 9,280 392 0 3,980 4,330
<br />2 6,130 16 ,5 6,590 172 22,451,000 16,700 1,599,000 15,300 539,800 13,900 306 1,180 12,900 7,340 421 0 2,460 5,810
<br />3 6,190 20 .4 6,620 167 22,427,000 17,100 1,600,000 15,500 538,900 13,900 307 867 13,400 9,120 759 0 4,230 4,100
<br />.. 6,160 24 .6 6,690 164 22,402,000 19,100 1,606,000 15,400 539,800 13,400 306 1,040 13,500 9,910 756 0 5,010 3,540
<br />5 5,850 20 ,7 6,620 158 22,384,000 15,500 1,608,000 15,500 541,300 13,300 304 1,020 13,200 10,300 719 0 5,230 3,800
<br />6 5,500 19 .7 6,200 150 22,373,000 10,100 1,597,000 15,400 542,500 13,400 320 976 12,800 10,400 691 0 5,260 3,960
<br />7 5,610 17 .7 5,920 145 22,362,000 13, 900 1,600,000 11,900 544,100 13,400 340 870 13,100 10,300 738 0 5,420 3,980
<br />8 5,640 17 .9 6,060 150 22,335,000 19,400 1,609,000 15,100 547,600 12,900 345 931 13,100 10,100 725 0 5,210 3,590
<br />9 5,410 17 .7 5,880 156 22,317,000 13,200 1,606,000 14,800 547,200 12,700 346 1,150 12,800 8,480 816 0 3,750 6,020
<br />10 5,500 19 .6 5,750 153 22,302,000 14,100 1,605,000 14,900 548,300 12,900 348 1,060 12,400 9,660 860 0 5,030 3,640
<br />11 5,880 19 ,6 5,870 153 22,288,000 12,900 1,601,000 14,800 548,800 12,800 348 908 12,500 9,990 679 0 5..280 3,670
<br />12 5,970 18 .4 6,240 150 22,270,000 14,000 1,599,000 15,000 547,600 13,900 347 977 12,800 9,910 632 0 4.960 3,840
<br />13 6,100 18 0 6,350 145 22,255,000 12,500 1,594,000 14,900 547,000 13,900 340 904 14,000 10,200 566 0 5.200 3,800
<br />14 6,190 17 0 6,490 142 22,245,000 11,200 1,593,000 11,500 548,100 13,900 336 835 13,800 10,800 471 0 5,930 3,880
<br />15 6,280 11 0 6,640 145 22,227,000 14,900 1,598,000 12,200 549,700 13,000 366 959 13,900 10,900 509 0 6,300 3,770
<br />16 6,350 11 0 6,710 147 22,213,000 13,100 1,599,000 12,100 549,900 12,800 384 971 13,200 9,560 545 0 5,000 6,140
<br />17 6,570 10 0 6,730 142 22,202,000 12,400 1,599,000 12,200 549,700 12,900 385 1,010 12,800 10,300 607 0 5,810 3,470
<br />18 6,610 8,5 0 6,910 150 22,184,000 15,400 1,604,000 12,100 550,600 11,700 379 1,050 12,700 10,100 658 0 5,480 3,930
<br />19 6,640 11 0 6,900 156 22,161,000 17,400 1,613,000 12,000 549,500 11,700 384 B76 11,900 9,890 637 0 5,400 3,910
<br />20 6,570 11 0 6,910 158 22,150,000 13,600 1,616,000 12,100 549,700 11,400 390 921 11, 600 9,590 609 0 5,080 3,980
<br />21 6,000 11 0 6,740 156 22,143,000 10,700 1,616,000 10,600 549,400 11,600 385 837 11,600 9,200 592 0 4,640 3,980
<br />22 5,580 11 0 6,280 158 22,121,000 15,300 1,620,000 12,700 550,400 11, 000 389 876 11,500 9,270 738 0 4,200 3,860
<br />23 5,500 17 0 5,910 153 22,107,000 14,500 1,623,000 13,000 550,800 11,100 401 891 11,300 7,060 736 0 2,440 4,930
<br />24 5,760 20 0 5,770 158 22,095,000 12,400 1,624,000 11,700 552,400 10,900 404 766 11 , 000 9,050 545 0 4,670 3,650
<br />25 5,850 17 0 5,970 156 22,090,000 6,810 1,622,000 7,710 552,600 11,100 399 656 11,000 9,220 410 0 5,520 3,770
<br />26 5,640 14 0 6,080 167 22,072,000 14,400 1,626,000 11,500 550,300 11,100 400 760 11, 200 8,960 548 0 4,720 3,520
<br />27 ::',410 16 .4 5,870 164 22,056,000 15,000 1,632,000 11,500 548,600 11,100 402 839 11, 000 8,680 786 0 4,390 3,470
<br />28 0,530 19 2,3 5,780 167 22,043,000 12,300 1,635,000 11,400 548,500 11, 000 405 868 10,900 8,690 836 0 4,270 3,510
<br />29 5,030 22 1.5 5,820 164 22,022,000 15,100 1,640,000 12,000 547,600 10,600 410 938 10,900 8,460 948 0 3,710 3,920
<br />30 ~,820 8,0 1.6 5,870 161 22,004,000 15,400 1,645,000 12,100 547,200 10,600 416 989 10,600 6,150 872 0 1,770 5,070
<br />31 6,160 8,0 ,4 6,110 158 21,981,000 15,100 1,648,000 12,100 547,400 10,600 424 845 10,300 7,880 796 0 3,280 3,410
<br /> ,
<br /> I
<br />Mean 5 940 15.5 0.45 6 287 157 _n 14 200 _n 13,050 _n 12,340 365 930 12 230 9 315 664 0 4 633 4 on
<br />Acrt: - 36'">,000 953 27 386,600 9,640
<br />feet _n 873,100 - 802,300 - 758,500 22 460 57 180 752 100 572 700 40 850 0 284 900 250 400
<br /> SEDIMENT
<br />Tons 772 800 352 255 200
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<br />* Furnished by U. S. Bureau of Reclamation, based on powerplant records.
<br />Lake Mead evaporation by mass-transfer method during month was 44,000 acre-feet,
<br />equivalent to 3.9 inches.
<br />
<br />t Incl~des YJma Main Cana: ~as:e~ay and
<br />Reser'/aticn Canal Ma1n Drc~" No.4. .
<br />
<br />DOUGLAS D. LEWIS, District Engineer
<br />Tucson, Arizona
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