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~~.-_. ,.,- o ....:'-.1 to- ~ ~ o -8- In the main study it ,1'\S assumed t:"~,t the Colorado c:".nsls . rill divert exactly as they have in tte past, durin,.: both the sw:.mer and the winter periods, and that the reservoir '..ill not be used for the rer;ulation of any of the water 'Nllich has been so diverted. The recorded flm: at the 3tate Line, excludin'C the "olly drain was tren depleted by tr.e GlClOunt of water assur,led to be :,Ii thheld in the CE:ddoa reservoir. The useability of the renainin~ supply at the State Line was determined by eliminatinr: undivertible peaks and amounts of water "Itich it was assumed would be in excess of the assumed ideal requirements. The remainin::; flow at tl~e State Line was then increased by tLirty percent of the releases of we.ter from Caddoa reservoir for the benefit of Colorado lands, to re~rcsent return flow from such releases. Kansas deficiencies vlere determined by applyin::; to this remaininr" water supply at the State Line an assumed ideal requirement for Kansas lands, based on a base State Line delivery (excluding the !iolly drain) of 130,000 acre-feet durin~ the April to October period. An ideal requirenent was assumed for the cenals in Colorado, and the deficiency under these canals was determined by comparing the actual diversions with the assumed requirements. Releases were then assumed to be made from the reservoir to supply the estimated deficiencies in Colorado and Kansas as determined above. Since the deficiencies in the two ste-tes \mre not necessarily the Bame in anyone year, credits and debits were carried from one year to another in the assumed 'operation of the reservoir. In case of a shortage, the two states were brouBht to an equal basis, as far as the use of flood water was concerned, by the release, prior to the emptying of the reservoir, of an amount of water equal to the debit of the debtor state.