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<br />. <br /> <br />O.r, ',"',' )",J "- <br />rJ '-. L: -' --,',: <br /> <br />g~f;~ <br />.,~,: <br /> <br />;t..~~;i.; <br />f;;P; <br /> <br />, <br /> <br />perfonned with a Hewlett-Packard Instrument has been completely <br /> <br />effective. <br /> <br />Conclusions <br /> <br />The RainbovJ Bri dge monitoring program conducted duri ng the period of <br /> <br />January 1975 to July 1975 shows no destructive effect occurring to <br /> <br />Rainbow Bridge or Bridge Creek Canyon from the incursion of Lake Powell <br /> <br />into the area. <br /> <br />Minqr ecological modification is occurring. <br /> <br />This includes accumulation <br /> <br />ofwhi~e carbonate coa~ing below the high water mark, drowning of sparse <br />deser~ plants, and human erosion. <br /> <br />6 <br /> <br />~~1 <br />.~~~~;~.~ <br />~ <br /> <br /> <br />;".;::.<':\~~-:: <br /> <br />;;;;J1 <br />:....;..-..... <br />-"<Y:"'-"-:.- <br /> <br />1.";-Z:':-, <br /> <br />~:~/::<::~ <br /> <br />~~~~ <br />~~~~{~~:{~ <br />IJi~ <br />I <br />I <br />~P" <br />~Jf~ <br />~:%~- <br /> <br /> <br />",." -~.- <br />f~;:~~~;.r <br />,;~:-;.; :::: <br />.'-."':'-'..", <br />.;;~'.;~'!'":: : <br /> <br />...---'. <br />::..-.'<.--.'- <br />?,-~::::':~:;' <br />=:":-"_,..0 <br />;~. ~~::-. ';-: <br />