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<br />structures. ArtIcle VIII G (2) requests the Dlrectur of the <br />United States Geological SUlvey, the CommisSioner of the <br />United StJtes BureJu of Reclamation. Jnd the Chief of tile <br />Enginee,s, United States Army, to cooperJte Jnd <br />collaborate with the Administ'Jtlon and with Jpprup11Jte <br />State officiJIS in such determinations and correlJtiol1s of <br />Stl eam flow and related data. Under the By.Laws of the <br />Administration, these cooperJtive studies and Jctlvltles are <br />assigned to the Engineering Committee of the <br />Administration. <br />(b) During the year covered by ItllS report the Administration <br />has received excell€nt coopei'Jtion hom all agenCies <br />I eferred to in the fOl'egoing proVl'.iions of tile CompJct. The <br />United States Geological Survey IlJS continued the <br />operation of tile compact gaging station~ and the analysis <br />Jlld compilation of ttle hydrologic data presented in ttllS <br />report and used in the administlatlon of the Compact. The <br />Corps of Engineers continued to opelJte the conselvation <br />pool of John MJrtln ReserVOir In accordance with the terms <br />of tile Compact Jnd the olde!s of the Administration. <br /> <br />7. \".'Jter Supply, Re~Er\:Qir OperJtion Jrod Hydrologic: Dat,l <br /> <br />Orl November 1,1970, tl1e begllllllllg 01 tile compact yeJr, 2.692 <br />J(le-ft. W~le ~tC)led 111 Johll tvlartlll Re~el\'ol'. Inflow dUling the winter <br />5to'cg~ pe,iod. f..Jovembe! 1. 1970. to r':lJ!ch 31. 1971. Jfl10unted to <br />30.240 aCle.ft. Outflow from the reservoir dUling same pe.iod <br />amounted to 9.880 ae,e.ft. fvia:-;.il11l!1TI ~!()rage OCClIll'ect on March 30 <br />Jnd 31. 1971. Jlld ,Jn1ounted to 35,15'+ acre-It" <br /> <br />Colorado made demands for riverflow during every month of the <br />winter storage period except January, 1971. From November 1, 1970. <br />until December 24, 1970, releases to meet those demands were made ilt <br />rates up to 100 cfs which amounted to a total of 2,555 acre.ft. in <br />November and 4,723 acre-ft. in December. On February 16, 1971, <br />Colorado began demanding releases at rates up to 15 ds which <br />continued until February 20, 1971. The total amount of water released <br />during the period was 206 acre-ft. Demands for riverflow were agaIn <br />made by Colorado beginning on March 9, 1971, and continued until <br />April 1. which resulted in releases of 1,991 aue-ft. during March and 8 <br />acre.ft. dUI"ing April. The total releases of riverflow during the period <br />beginning November 1 and ending Apdl 1 amounted to 9,483 acre.ft. <br /> <br />Both Colorado and Kansas irrigators placed calls for storage water <br />on April 1. 1971. Releases were made near the maximum allowable <br />rates until April 7, 1971, when the mandatory compact reduction <br />occurred. On April 19, 1971, the reservoir was declared empty. The <br />total demands during April were 21.914 acre-ft. for Colorado and <br />15,838 acre-ft. for Kansas. Colorado benefited from small amounts of <br />storage twice during August, 1971. Kansas requested delivery of water <br />dUring one period in August. and the total discharge at the state line <br />was 347 acre.ft. <br /> <br />During the compact year, a total of 113,500 acre.ft. crossed the <br />Colorado-Kansas state line, and 69,270 acre-ft. of the total crossed <br />during the Irrigation season. Diversions by ditches in Water District No. <br /> <br />__~_~______~_____~I,-___ ____~ <br />