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WSP11215
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Entry Properties
Last modified
1/26/2010 3:16:33 PM
Creation date
10/12/2006 4:48:50 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.101.10
Description
Colorado River-Water Projects-Glen Canyon Dam/Lake Powel-Glen Canyon Adaptive Management
Basin
Colorado Mainstem
Water Division
5
Date
1/1/2002
Author
Webb-Melis-Valdez
Title
Observation of Environmental Change in Grand Canyon Arizona
Water Supply Pro - Doc Type
Report/Study
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<br />W8.a <br /> <br /> <br />%<." <br /> <br />Figure 2. Badger Creek Rapid (mile 8.0). <br /> <br />A. AugUSI1964 In thiS view a/Badger Creek RapId Irom the let! canyon rim. low water In the Colorado River <br />reveals many ollne rocks that constnCllhe river The sand bar on fiver fight has slgndlcanl sand and a few <br />scattered. non-native lamansk trees (Tad Nichols. no number. Cour1esy ollne photographer). <br /> <br />110\" j.. !!l"nl"rall~ t:n:atL'r than ~() pl"n:l..'nl. Dl..'hri... tltl\h <br />\It"!;ur infn:qu..:ntly: on I) 60 pcrt'L'nt of the trillutari..:.. in <br />Grand Com)(ln hall' product.'lI dt'hri.. 1111\\" in th..: 1a..[ <br />celltury 1Grif!ith... .md ulhL.r.... 19961. fk,:au",tht'Y <br />Iran'pllr1 large hllulder.... tkhri... tln"'.. It'a\ l' ..pc..:tacuktr <br />l."\idl'IKl' llflh!.'lf t>>:l'UrTL'/Kl', and Illll" (llhl'f\l'r... (If <br />tl1,"t' Ih'H.ltI... kit a \\ nlh:n n,'I,:orJ or had a vi\ id rnl'm(lr~ <br />{If IhL' 1,'\ L'I1[. In ..:(Intra,'. ,lrL';unlh1\\ thll.lu.. ha\ I,' a <br />"L'dillll,'llI L'(lnCt,.'llIr;l[lun of k.... than aholH ~o pl'rLTnt <br />and IX't,.'ur IIUlrt,.' 1Ilkn. Stllllt,.'olhL'r\L'r.. (('.g.. ReIJl~ I <br />could di..til1~ui..h thL' !\\ll [~[X'" Ill' rll>tll.k <br />ThL' Old Timl..'T' rL'lllL'l11hL'r fL'\L IIL'\\ dl..'hri..-Iln\\ <br />UL'PII..lh. and on I) a fe\\ ,ktlri, tIO\\.. arL' rL',:nrdL'u in <br />Jiarie... \VL' ..hll'.'.l'd tht.' Old Tirnl'r' thL' 191)~, tld..a.... <br />('fL'L'!.. I tll1k 7.lJ.Lllkhri..-tlll\\ J\"p'l'>lh al B;Jd~l'r <br />('rl'I.'!.. Rapid om!L' S.llt. and di..L'u....L.J ,hI'> ~L.ol1lnrrhic <br />pn>!.:\".... \\ i[h [helll L'\IL'n..i\e1) I ri~. 2l. We Ihl..'l1 a"!..L'd <br />Ih\"rn if [hL'~ Iud "L'1.'11 ;Hl~ ..irnil;tT Jepn..ih aIling Ihl' <br />ri,,'r durin~ I]wlr ri\L'f L.\[X.riellcL.... Rlg~ h.'nwlllt't.'rl'd <br />"hl..'n the JL'hn.. fan Ill' B.lllL'hl'r CTL'L'!.. (nulL' 9h.7-LI <br /> <br />ch;mged radicall) in 19:'i t Of Il.):'i~. \\'IWI1 hL' lif,t ';1\\ <br />II. muJ \\a" ..IElI \l1\/lll~ '1t11 frolll tll't\\een Ihl.' houldL'f'. <br />ll,ing Rot't.'n BrL'\\..ler S';lIltllll', phl1togr;lph.. from <br />I lNO, \\1,' had iJL'nllrit.'J [hl' BI\tlL'hL'r ("rL'L'!.. JL'hrj, 1l0\\ <br /><I, on(" of [I1L' largL'''[ in [he laq L'L'Il!Ur) in Gr;md <br />Can) on hUI had nil! !..nll"" 11 IhL' nact ~eaf illx'l.:urrl'J <br />l:>'klt.., 1947: WL'hh. l'}IlhJ. <br />ThL' hi~hL...1 rrL'quL'llC~ of dl'hri.. Ihm.. in (",rand <br />Can~\lll (lI.'L'ur.. al 1..(\;1 Fall.. Rilpld (nl1k 179) from <br />I'm"pI..'CI Can)111l ll11r1L' 17'-JA.L: WL'hh and (ltlla.., <br />1991Jh.. In ]1}54. (iL'lIrgIL' WhitL' :lffl\L'U a[ Ll\a rail.. <br />lIn Jul) 24. ;!IlJ "a\L Prll"rx'L"l CrL'L'!.. Imik 179A.LI <br />nIIHlln~;1l hfu!llnfL"L':' Laf~L' htluldL'r.. \\L're I'n1L'Ting <br />IhL' ri\ L'r in a lll;Jrllk'r \\'hl[L' II!..L'/lL'd III;J "hlf hl;!c!.. k1\a <br />1111\\," WhilL.... llh..enatll.n.. are onl) [ilL' ..t,.'L"ond <br />L') L'\\ ilnL..... .IL'L'I'unt (If a (jf;tnJ ('an) lln dL'hri.. 11,1\\, <br />afll:f I{"ht.'n BrL'\\..[er St;nllnll'.. account of a dl.'hn.. <br />nO\\ 111 Slluth CIll)'1I1 11l1lk 3] .h-R: Smith ;Jnt.! <br />Crilll1phl\l, II)S/I, J"I1L'" rCl11ernhL'rl,'J [hat IhL' ddlfl.. fan <br />uf Prtl"rx'cl CII1)\lll Hllile I 7'1A-LI \\;1' P;l\\..J with tinL' <br /> <br />SPECIFIC CHANGES OBSERVED IN GRAND CANYON 9 <br />
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