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<br />.:",~ <br />i,'-'~~ <br /><:;..p,.. <br /> <br />:-1:) <br /> <br />, <br />r <br />.r <br />" <br />~' <br /> <br />t <br /> <br />..... . <br />, '. . . ~... .,;:. .:"';:. '. .,: .. <br />The dat4 required for these studies will be acquired during normal operatfon <br />of Glen canyon Da.m, The study plan wtll provide for examination of a range' <br />of ~inimum flows and fluctuating flows, This ~ll allow for a complete . <br />analysis of the relationships between operations of Glen Canyon Dam and the <br />downstream impacts. Determination of the exact flow levels to be studied <br />and the timing of those studies Wilt be established by a technical study <br />team and worked into the release prograMS.of the Bureau of Reclamation and. <br />Western Area Power Administration. You should make every effort to <br />el1mina.te any impact on nonnal power operations. <br /> <br />If flow conditions (either too high or too low) constrain the ability to <br />observe the necessary test flows, the specific portio" of the study that <br />!'P.'!uins that flow will be postponed u~tn ~"'oper flolf conditiOlls ar~ " ' <br />possible. The specific contingency plans that'w111 force this action to be <br />taken will be worked out among the affected bureaus and agencies and <br />provided to the technical studY plan development group, <br /> <br />You should initiate the study plan development and constituent input <br />inmedhtely so that low flow studies l$so<:1ated wtth trout fishery coneerns <br />can be initiated by December 1988', The duration of the studies will be for <br />11 IIIlnimllll of one yea.., with, the end poInt to be detennined by flow level 5, <br />" . .,.. '''and the teeh'nfeal effort:..equfred. -,The' technIcal-study design group will <br />determine the exact time neeessary and provide that infonnation as guidance <br />to the affected bureaus and agencies of the GeES program' and all constituent <br />groups. <br /> <br />~ <br />;; <br /> <br />'. <br />" <br />, <br /> <br />( <br /> <br />;/ <br /> <br />~'., <br /> <br />~i <br />~ <br />< <br />!\ <br />.~ <br /> <br />"r <br /> <br />. ;.. <br /> <br />,.;:). <br /> <br />~', <br /> <br />, , . <br /> <br />,-" <br />". <br /> <br />':'. <br /> <br />",,! <br /> <br /> <br />"~~ <br />ill <br />:f'-. <br />~ <br />~ <br /> <br />.... <br />.... <br /> <br />f <br />, <br />1'-, <br />