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<br />
<br />Prepared In cooperation with lhe Grand Canyon Monitoring and Research Center
<br />
<br />Sediment Delivery by Ungaged Tributaries of
<br />the Colorado River in Grand Canyon
<br />
<br />Introduction
<br />
<br />S<."dHlI~'1ll ,upply ~nd lran'f'<,n ill
<br />(ir.md c.H1yt11l t, .m 1I11T"'nOlnl
<br />nlarM!!i.'II1i.'l1t 1"1I~' h..:~'.lU'i.' nr Ih.... prl."l.'rK~'
<br />.Ind "I'i.'ralrollllll (,kn C"II1YIHllhm tin Ihi.'
<br />{.olor.ltlo Hi\t'r I U.S, l>l.'p.tnm....11I ,,( Illl'
<br />Imal"f, 1't'J~I" \In,1 n! IlK linl.'.~rallll'd
<br />,.'dmWIII It};!l h'nllaly .'nll.'r..J lilt-' ",mynn
<br />lnllll ul'-rn'am "lrarp,,:u m LtI,~'l'o""dL
<br />111" ,...'UIIlWlll ..,K.... r.'l'klll,Ill'11 n....;u;h~.,
<br />,md pm\l,kJ 't1n'lral~. lor 111.... r!H'nm'
<br />,~~'o'y'I~'1I1 111 (iraml C;J/JYOtl \\'ill1 Ih~'
<br />(I",UT,' Ilf lh,' dam 1I1 l'II1~, "'ur~'l" t,l
<br />line-,!!rallI<'J ,,:dlllli.'1ll h;l\l.' h..:~'1l IUllll,'d hI
<br />IIMlnr Inhu'an<",. 'Ill"h a' lit,' Pari" "lid
<br />1.lllk ('"I"r.lll" R.,\t'r, "lld K,man ;IIlU
<br />Ib\;\,u Cr~','"'' "n.l nUIll,'l<lll' ,mall
<br />Inhlllan,',. SI1\;11I lrinularii.', arl.' aho 111<'
<br />,,'ur,'.' .,,- ~'ll.Ir"~'.gr'lln~'" "'-.uim....nl
<br />l.'(,hhk, .lIltl Ilt'ul.la,J. \\hidl f,'rm,
<br />ddlri, tin, ;ll1U r"pIlk ddill." ["no I.. allJ
<br />..Itdl....' Ihal lr.lp ,III.! '1"((' hn~' ,..dlm~.nl.
<br />.Ind rr.,\id.', ,un,lral,' It,r .ll.IU<llh: ,.lilt!
<br />li.'rr."ln,J1 h.lhl'''1'- lh,,'ugllt'lll Ih.' r\\t'r
<br />I"hannl'! Ikl\\"I'1l (;1.'11 C;l11~'on ";Jill .1IIt!
<br />IlK {,rom,J \\"",11 Chlh (jIg I I 7hl'l ,mall
<br />Innul;m,'" \\~'r.. J""fn:Jl..d. lilt "I "I ",llIdl
<br />r;H1g~' Ir"l1I I lhrough ~ ~rn~ III .H,',l ,\tllll
<br />Ill........ lnhut,Ir1'" I'lllthKI' 'Ir....arnl1ll\\. bUl
<br />.~nly lh,' 731> trrhul.lll'" h...l\\l.....n 1......\
<br />1.l'TT~ and lh( (jr.ln.1 W..,h ("lIlh produI""
<br />d,'nrl\ 110"" t li~. ~). Wilh th.. ,'u...p!l1l11 nl
<br />Bnghl :\n~d Cn'~'" "n.t llll' 1lI:Jlor
<br />tnhut;m..,. lh,'",' ,");ll! Inbul;lrll" h.,'l"','~'n
<br />{II..II ('.HI..)n [bill ;!IIJ Ih,' Grand \\"J~h
<br />Chlh \\,'r~' IHl~;!~",llx'f(\f" 1'1'14
<br />:\ ,0Il1n1O.III,'n "I tlu\I;JI ,ll1d lull,I.,f't-,
<br />pH',X"." ",:~'ur' 111 ,mall Inhulanl" In
<br />('''Illd (.~m\"I1, nl.lkm~ ~',IHnJI.', (1'-
<br />,...11111,'111 ~ 1<.1.1 ~..'mrho.:al~'d ,\..JlIlll'11l-
<br />\Idd ",!lm;!l." mu,l ("'hld,'r Ih.'
<br />..pnlnnUlton, "I [l.,th ,",'aml]""', ",hi,'h
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<br />US~'I'""'<1I,"~""I"le'IO'
<br />IS G.>oloo}"".I",, "",
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<br />Figure 1.768 ungaged tributaries ot the Colorado Alver between Glen Canyon Dam
<br />and Lalte Mead Sedlmenl-Yleld reaches are Indlcaled by leller.
<br />
<br />''''''(UI' .IIIOU;lII} 111 .i11 lnhul;ln...,. ;ul<1
<br />llt-nrh 11"",. ",hl~'h '.....(Ilr, r;\rd~ D....t-n'
<br />tI.,...., .11.' ,llIrT"" "r day- 10 houlu~'r-
<br />,".'d ,.'Jilll,'1l1 "'llh ",'dllll,:11l
<br />("I\~.I'l1Ir,llltm, 01 70 '" '10 pcr..'~'f11 n~
<br />\1111111"-' In comra,I, ,lr.'.I1l111"",
<br />l~ri(Jlly 11.1, .1 ,.,:d1l1wnl o'n(~'l1Irali/ln
<br />hy "''''I~11l 01 1<.'" 111.\11 .10 f'<:rt"~'11I ..\
<br />lPlal ". 12JJ72 ~11l~ In 7~f> lnhul;Irt..,
<br />pr"Ju,.., ddlfl' 11.1..... .Int! 1~,l)tMl "m~
<br />prtlJuc~' 'In'aml),'\\ Th.. lnbutafl'"
<br />....~'n' llrf:Jni/l:d lillI' ,"\~'n ,...dInK'Ill.
<br />~Id,j r~'.l,'h,', lhal ((\IT~"f'<H1U h' fl\I'r
<br />,...~lI1,'llh ht..I"'......n 1!1"I"r Ir1tlul;JrI.',
<br />....Ilh g:J~m!! r...."rJ' nl "llwI ..,"mall."
<br />nf,,'Jinll'llllllpul tl1f. II.
<br />(A.\.-!.'l'n......1!l tlf;1 ",,11111<'111 nu.l!,.'1
<br />I,'r Ih.: CIlI""I,l.. R.1\..r lhr,'u~h (ir;lIl.!
<br />C;\n~"1l r."lulI'" .t1I ..,11l11"t~. ... lh..
<br />
<br />J"nt:-I.'nll o;....!inl<.'nl YI.'lu, f'lrl:lillh"'''i1r.....
<br />.lIld fin,' panK[6 Ir"m all 761\ Irihularil.',
<br />hUl rant.:ularly frllm Irihutam~.. m
<br />H.'.!dl"':\ anti B (fig. I l. wh....r<." ',;H1d n"r
<br />"''''>lIr..<.'', ;lri.' 1110,1 lhr";)l,'n,'d. Ik..::au......
<br />Ihl' 'II" .,. p.lnll'k, Ir;lII'f'<'r1~'d n~ IOC
<br />Hll'r \;11) "'Ilh IJI",-'Iurg<:. .1:11<1 on Ih~'
<br />r;Ir1..-I..-'-I'.... Ilt'lnnUlt'lll III ,~'Jim..11I
<br />.khH'rl.'t1 hy 1""lh dd'n, II".... and
<br />'Ir.'.nl1I1.,\~ ..re "bo n.'<.".I.'J, Ina...a...:t!
<br />~n.'wk~JJ!~' 01 u,'hn, n,,\\ ,11111 mam,'el1l
<br />rn....'",,~., III (ir;If1U Cany,'n ....ill
<br />ollltrit-ul.. III dfort, 10 (lpl:r:Jl~' (ikn
<br />C.lIl~'lIl [J;lnl In "'.J., thaI 11111111111/...
<br />d"", l1'tr~'JITl Imp...." 1h" Farl Sh......
<br />,Ulllm,lnll', J r"'p<.'r1 (\\'..hn ~1l111 Illiwn.,
<br />2tMlOI lh.ll rr.:,,:nl, 1111' InIal ......t!lm..nt
<br />~Idt! .lntl '<In.! ddi\,'r\ ral.., ["f Ih,'
<br />un~J~l'd 'n"UI;tn..,
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<br />U$GSfil<.1$_IOlS...Ql
<br />r;-b<"",~ 2COl
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