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<br />0"'",' '.,- <br />, - -. . ~ ' ~ <br />0......,') <br /> <br />t:-<:~ <br />r;i~~;o,'i <br />._%~.,W <br /> <br />f~ecutive Summary <br />,...:'.~ <br /> <br />RAINBOi'; BRIDGE MO;IITORING PRO~RA'f <br /> <br />Background in August, 1973 in a suit Friends of the Earth et al. vs Armstrong <br /> <br />et al. the 10th Circuit Court decreed t~at the Bureau of Reclamation monitor <br /> <br />the effects of Lake Powell's incursion into Rainbow Bridge National 'fonument <br /> <br />for a period of 10 years. <br /> <br />-:-;.._.:~.;>. <br />>:.:>;.~ ....l" <br /> <br />i <br /> <br />~4~> <br /> <br />I <br /> <br />Approach - A monitoring program of the most advanced technology available <br /> <br />involving precise surveys, photographic methods and geologic procedures, of <br /> <br />a non-destructive nature, has been conducted on a periodic basis. <br /> <br />Conclusion - To date, the program shows that no adverse effects on the <br /> <br />structural integrity of Rainbow Bridge and its foundation along Bridge Creek <br /> <br />Canyon has occurred from t~e incursion of Lake Pm'lell into tl,e :10nument. <br /> <br />k.i~~~ <br />~~~ <br />~y~~ <br />r:"1t1"" <br />.-:>;:0'" . <br />~~~~~.... ,~~ <br />~.rt~ <br /> <br />I <br />!iit~ <br /> <br />~~:.:;~?;:. <br /> <br />[~~ <br /> <br />:-: -:~-:. ." -.' <br />,-.;,:...... <br /> <br />~::.i:>;~ :~:- <br /> <br />i:iiii <br />~lIT;~i~~~:~l~~~:s:~1~i~~i~:!~~N(tf~h~tl~f~~~~~~&~~i~~f;!~~~~%i~~~~~1~:~I~~I~~~m!;w.l.f~fi~~~$.~wf~(ft~1:t: <br />