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<br />DEPARTMENT OF THE INTERIOR
<br />GEOLOGICAL SURVEY
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<br />COLORADO RIVER AND TRIDUTARIES IN LOWER BASIN
<br />Annual Summary for Water Year ending Sept. 30, 1967
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<br />PROVISIONAL RECORDS
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<br /> Little Lake Mead Colorado
<br /> Colorado R.-Lees Ferry Paria Colorado River-Grand Canyon Virgin River
<br /> Colorado River
<br /> River River Little- Usable be low
<br /> Suspended Lees Ferry Cameron field Contents Evaporation y Hoover
<br /> Runoff Runoff Suspended end of mo. Dam
<br /> Sediment Sediment
<br />1966 Acre-feet Tons Acre-feet Acre-feet Acre-feet Tons Acre-feet Acre-feet Inches Acre-feet Acre-feet
<br />Oct. 551,200 752 .,,!? ~ b,170 15,092,000 0.56 a8,~0 466,900
<br />Nov. 58J,600 858 44 589,400 9,040 15,231,000 5.08 4, 0 473,100
<br />Dec. 528,600 4,270 23,060 619,700 73,leo 15,481,000 5.65 50,500 447,900
<br />1967
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<br />Jan. 614,300 1,320 29 648,500 11,990 15,629,000 4.24 31,900 499,800
<br />Feb. 534,600 1,500 48 56J,500 9,200 15,617,000 J.16 28,200 574,300
<br />Mar. 682,600 9JO 0 703,900 10,470 15,438,000 6.12 52,500 846,900
<br />Apr. 788,200 511 1,320 &:)1,200 11,150 d/14,530,000 6.00 51,200 771,300
<br />May 876,600 659 .4 861,300 20,210 - 14,506,000 5.18 44,000 888,eoo
<br />June 696,700 4110 2,590 711,000 7,6eo 14,395,000 6.J7 54,200 781,600
<br />July 6J7,000 1,770 17,940 692,800 4,360 14,233,000 8.92 75,300 831,900
<br />Aug. 692,500 3,400 92,820 ~~~,~ 6,740 14,196,000 8.6 ~~,900 I;I';?O
<br />Sept. 596,400 10 610 ~q:ooo 14., '00 .14., '7<000 8.24 o 000 4 4 00
<br />Total 7,782,000 I 27,020 191,400 8,257,000 11:9+,500 C!.I + 265,000 174.1 640,000 I 7,832,000
<br /> Colorado Diversions between Colorado Diversions at Colorado
<br /> Lake Colorado Havasu Parker and Blythe Imperial Dam Pilot
<br /> Mohave River Lake River River Gila Rl vel' Knob
<br /> Usable below Usable below Colo. R. Palo below All Gila River be low Return
<br /> Contents Davis Contents Parker Indian Verde Cibola American Gravity Dome Yuma EI
<br /> end of mo, Dam end of mo. Dam Res. Canal Valley Canal Canal !Y
<br />1966 Acre-feet Acre-feet Acre-feet Acre-feet Acre-feet Acre-feet Acre-feet Acre-feet Acre-feet Acre-feet Acre-feet Acre-feet
<br />Oct. l,3!j2,OOO 478,000 556,400 357,GUU ,300 EHi8 ~~6'kOO ~~~,~OO 62,230 3UY 3?,O40 15,090
<br />Nov. 1,493,000 359,100 545,400 256,200 23,3&:1 6, 00 209,300 39,120 221 38,220 0
<br />Dec~ 1,514,000 355,800 536,4-00 320,200 21,660 37,520 311,600 261,900 40,890 105 52,J50 9,970
<br />1967
<br />Jan. 1,639,000 428,800 547,600 305,900 12,920 32,040 297,700 252,600 30,540 41 39,070 30,970
<br />Feb. 1,662,000 550,900 533,700 430,700 33,910 64,560 J79,900 300,500 50,840 45 JJ,79O 34,800
<br />Mar. 1,677,000 849,200 553,100 677, JOO 47,240 74,290 599,100 493,200 74,750 57 36,620 117,900
<br />Apr. 1,673,000 794,000 598,600 608,300 43,440 76,1eo 541,800 451,700 78,540 48 48,980 103,400
<br />May 1,753,000 824,100 605 ,200 648,400 49,890 88,800 566,200 4.26,Eoo 104-,300 5.2 71,620 0
<br />June 1,666,000 883,200 612,000 725,600 54,260 96,300 611,000 46J,400 106,600 0 56,990 43,070
<br />Ju"ly 1,592,000 936,600 571,300 835,200 59,440 109,100 691,200 544,400 102,700 0 41,4Jo 110,100
<br />Aug. 1,497,000 881, &:10 561,600 749,200 54,940 91,790 675,200 5J9,900 103,500 0 45,720 128,700
<br />Sept. 1,402,000 599,300 559,800 492,600 38,860 74,440 444,600 358,500 61,490 277 61,640 45,720
<br />Total + 15,000 7,941,000 - 4,800 6,407,000 LtC ,200 !j27,2oo "I,L,OOO 4,610,000 tj55,500 1,110 561,500 640,500
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<br />Lake Mead evaporation computed by mass-transfer method. Figures of acre-feet
<br />determined from surface area of lake corresponding to average water surface
<br />elevation during month.
<br />Includes Yuma Main Canal Wasteway and Reservation Canal Main Drain No.4.
<br />Includes flow through wasteway and powerplant returned to Colorado River.
<br />Capacity table dated April 1967, put into use April 1967.
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<br />H.M. BABCOCK, District Chief, vij{D
<br />TucsonJ Arizona
<br />November 1, 1967
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