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<br />0:1912 <br /> <br />2 <br /> <br />copy <br /> <br />~ '~"-j <br />':: ~'., <br /> <br />would be available for diversion to the Arkansas basin. <br />Est~tes of the average May-July water production originating <br />above the colleotion system for the cOmbined sub-areas were made <br />for variable water supply conditions 6uch as have occured in <br />historic periods as follows: <br /> <br />Period <br /> <br />May-July Runoff Above Collection System <br /> <br />1911-1953 <br />1934-1953 <br /> <br />83,000 <br />.14,000 <br /> <br />acre feet <br /> <br />- <br /> <br />acre feet <br /> <br />.:. <br /> <br />1931-1940 66,000 acre feet <br /> <br />The portion of this runoff which it would be <br />practicable to divert would depend on the capacities of the <br />varioUlll units of the collection S"yf>tem, includinq the <br />regulatory reaervoir. and the difficulties which might ~ <br />encountered in openinq the collection canals in time to <br />intercept all the May runoff. It is not always economically <br />practicable to construct canals of sUfficient capacity to <br />carry the peal: daily runoff c:L:1ring Y<3ars wHl:> water 5upplies <br />considerably above aTeraqe. As a matter of judQement. it <br />was estimated by the staff that thiG project could reasonably <br />be expected to deliver an average of lSOIIlEI 60,000 to 65_000 <br />aore-feet to tho Lake Fo~k .of the Arkansas River. <br /> <br />Very truly yours. <br /> <br />Ivan C. Crawford <br />Director, C-:llOlado Water COlIservation Board <br /> <br />ICC:kc <br />