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<br />to 5tateline." As here used by Kansas, "net aooret'ions" are"t'he g;ains or in-
<br />oreases in streamflow volumes between ~r and the 5tateline. ~ith the few
<br />exoeptions noted below, net aooretions "Were oalculated as the differenoe be-
<br />t;veen river flow volumes reoorded at the two gag;ing; stations. Thus the Kan-
<br />sas fornula: A = 5L - (SL - L), indiontss ttat A ("availabl!'l for storage")
<br />equals L (lamar flow). Sinoe the total State line flow averag;ed 260,7CO aore
<br />feet annually, and sinoe Kansas olassifies 190.000 aore feet thereof as 000-
<br />ing; from Caddoa, the remaining 70,700 aore feet was assuoced to have orig;inated
<br />below Caddoa. Expressed another way, the Kansas prooedure indioates trat the
<br />190,000 aore feet of 5tateline flow, oalculated to have passed Lamar, was as-
<br />sumed to have passed Caddoa, and to have been "available for storag;e" in
<br />Caddoa reservoir.
<br />
<br />,8. The few exoeptions to the general rule above mentioned nppear to
<br />have resulted from substitutions by Kansas 01' assumed gains', between Lamar
<br />and, Stateline, in several months of the study period (usually at tL--e s 01' ma-
<br />jor'floods) when the reuords themselves disclose losses. The effeot 01' suoh
<br />adjustments, amou,ting to ohanges in official reoords may be illustrated by
<br />oomparing the 190,000 acre feet oalculated by Kansas, with the 193,600 aore
<br />feet annually recorded at Lamar. Such a differenoe, amounting to 3,600 aore
<br />feet, or less than 2 parcent, is, relatively ,small, and at this time may be
<br />ig;nored.
<br />
<br />9. While the terms "available for storag;e" and "llIlIOuntS 01' usable wa-
<br />ter" are not defined in the dooument under discussicn, it is apparent fram
<br />an analysis of the oaloulation prooedure followed by Kansas" as herein~ater
<br />more fully disoussed, that the 190,000 aore feet of Caddoa flow oonsidered
<br />"available for storage" is exolusive of quantities herein tenned "Caddoa flews
<br />heretofore used in Colorado" but inoludes streamflows in some months in exoess
<br />01' available and effective storage oapacity in the assumed oompleted irriga-
<br />tion pool, and ,inoludes the oaloulated "an-.ounts of usable water," - oaloulated
<br />by deduoting'evaporation losses and flood pool spills from the 190,000 aore
<br />feet oonsidered "available for storage;" and tr.llt 'the oalculated "amounts of
<br />usable water," in turn, inolude quantities herein termed "Caddoa flows hereto"!'
<br />fors used in Kansas," as well as "ne;y water," - so called by Kansas, - attri-
<br />butable to operations of Caddoa reservoir, whioh segregations 01' the oalou-
<br />lated "amounts of usable water" were not made in the dooument under disous-
<br />sion, but are neoessary to an understanding 01' the quantities of water there-
<br />in reported. '
<br />
<br />10. The plan of roservoir oper~tion assumed by Kansas, while unexpl~ined,
<br />appears to oonsider "Co,dclon flows heretofore used in Colorado" as unavailable
<br />for storage, whsree_s "C~ddca flows heretofore used in Kansas" are treated as
<br />"available for store,ge," - .:hioh raises n question as to bow the irrigation
<br />pool in Caddoa reservcir shall be operated, and what are its purposes as au-
<br />thorized by Congress? :xclusive 01' the primary purpose 01' flood oontrol, ao-
<br />oomplished by storage '01' water in the flood pool, at times 01' major floods
<br />and ahnorJ:'-B.l streaI:1flows, the irrigation pool was authorized for "stream-
<br />flow regulation and water oonservation" for-the benefit of irrigation inter-
<br />ests in Colorado and Kansas. Both strea~low regulation and water conserva-
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