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I"~ which time the reservoir contained 15,853 acre-feet of water. This is about 25 % less than was accumulated during the same period in the preceding year and constitutes a new low in winter water supply by that margin. The accumulation of w:ttcr in storag~ was continued through April 6, 19j4, reaching a tot?l volume of 16,066 acre-feet before releases were commenced. fnflow to John Martin Reservoir during the irrigation season April 1,1954 to October 31. 1954, as measured by discharge of the Arkansas and Purgatoire RiveTS near Las Animas was 113,075 acre-fect. This is comparable to the summer water supplies that have been available e.ach )'e,"tr since 1949. This year, the largest part of it occurred in July and August. Release.s from the reservoir commenced on April 7. 1954, based upon the concurrent demands of both states and continued until the reservoir was empty on April 15, 1954 Wdter rights on the river in Color,ldo then were administered by the State Engineer of Colorado according to their decreed priorities until July 23. 1954 when water began tv be ,[ccumulated in the rcscr'VI)jr. Upon due llnticc then. being givcn tll the St:lte Engineer of Cnltlr:1clo, rC'lc;I:'C__ we 1"":: begull ;\t once m (ic(:nrcl<lIKc WIth provisions of the CPnlp:lct. Water accurnubtcd in storagl' tv the ext~nt uf 33,314 ;Icr~-fcct on July '27, 1954 and thcn declined stcadily to 19,(149 :1cre-f('ct on AUg'llst 6, 1~54. At that tune ,mother (rt:?"hd oL-curr"J bringing: ~{JJition<l1 w~HC'r which accumulated in the reservoir to il peak uf 3g,34~ acre,feet on August 9, 19j4. Con- tinuing dem;l.nds soon exhausted the supply, and the reservoir W,lS empty again on September 8, 1954. It remained empty to the end of the Com- prLct year on October 3 L 1954. During this time, water rights on the river in Colorado were administered by the State Engineer of Colorado pursuant to due notice given him in ;1ccordance with provisions of the Compact. Releases from the reservoir cluring the periods April 7 to 15 and July 23 to September 8 amounted to a total of 89,550 acre-fect. State- line flows during the corresponding periods. allowing three days for water from the reservoir to reach the statcline, amountt:'d to 59,970 acre-feet. During the periods April 1 to 6. inclusive, April 1 () to July '22. inclusive. and September 9 to October 31, inclusive, discharge of the Arka.nsas River reported a.s outflow from John Martin Reservoir was 23,590 acre-feet. Stateline flow for the corresponding period \\!as 13,660 acre-feet. The inflow, outflow and storage at the John Martin Reservoir and Statcline flow for the report-year are shown in graphs on Plate I. Hydrologic data as listed below are presented in Appendix B: B-l. Daily discharges, Arkansas River near Pueblo, Colorado, monthly totals corrected for transmountain water. B-2. Daily discharges, Arkansas River at Las Animas. Colorado. B-3. Daily discharges, Purgatoire River near Las Animas, Colo- rado. 9