<br />v
<br />
<br />, I
<br />~(?O
<br />
<br />Va,fde"L- -+- IAli Jliam.s
<br />Iq~lo
<br />
<br />I'
<br />\J
<br />
<br />h,
<br />
<br />
<br />:,~12 12
<br />
<br />) Jv/~~NjI tt'lrl J
<br />
<br />D733~
<br />
<br />r:r'':DAN(~r:H}1:~J (i' I ;-;H"'::-~ ()}i- r:A1l"^H/\(;'.!'
<br />
<br />1/
<br />~".. ,(,.,
<br />( ..,-\i"J.lli!,J
<br />
<br />l"1i
<br />
<br />Richard A. Valde7-
<br />B.l O!~'Jr:ST
<br />
<br />a 11li
<br />
<br />RCit Jt-;l""'t I).. ltJj'-:"f .i.znns
<br />rl. S . rnlI'eaIl ()t Rec;I;-.unrtt ,( (Jr._.
<br />
<br />A..~;'fi-:A(;'J I
<br />
<br />B'.isl1eries :tlT'v"'E-.3tig;.1..1C)11 11) (;;:...t;:'l'r;i(.::t [djlYCJr; (">j" th(~ {tf;r;C':;J~ (~(JJr;l"'i~do Rlver..
<br />Utah, ,111 1:-)H6 y.iE--~.-.id8i":l ri tot:;-i.1 ()t 73 i:;rJt~cie[", .il1c.111fJi1;g 1-l~1(: (-:l-;(jl{']ijgf~I'E~i (~(j.i("Ilc-ldo
<br />~Jri'i;Jtis-h al1!1 l1.UlIi1ack cl1.utJ.. 't11f; tCftriJ (;t !;D[J SqiJ;jv.Jt..-iFd--. lr)c"J11dPf'J 4!'jf.i ~~lct{: 4..:1-
<br />juven.iJes, .3ncl !:; a(1nli~3.. 'I'hf-! 33 tilL~lph-..(:k clInt} J11CllldEii ~::1 'IC)'l r !-J ]'il\lC!111 -tE!;.;;, rind
<br />3 a:lultf:~. Il'ru-l.j I1ci.'l],\jre S[Jt,}cle!:i cCJn-rJlJsf.:{l or"iJy ]"l.!-:;A; 01 t't'u=-~ cat'ctl,. \ltl'ile t"h{:~ lh
<br />llOl1-1k3.tiTJ'e S[J8cies naie 'Up, H~:" b% of tht=! 1111rnlJers G31:1gt.it" .f'\.t. lfJ.;'.if,t :": 1'ilf)"('(": "'ff~;:AI':l~:; elf
<br />ill""est igc3.t .icn1..f~ iil"lf~ pJ.i:t:nI1i=f1 irj t:1f~ r"iiti'ir;~(;t C:allY011 al"lea, alli.i C11T~1'(:'n't (lata are too
<br />pre.lin1il1ar""i for any C()J1C]11~,i()llS"
<br />
<br />IN1.1ROlJUCl'IOt~
<br />
<br />Si11ce 1981, 'tl1.e olJrea11 tJt Rf~{:Jc-JJr';-i1j()ri (BC)H) l1a::":; l)f"~~rJ tUl1Cl111fj thf-; Cli.! JC.C:1..1()}l
<br />eif 'biolc^1if"A"1.1 dr.t.t:ci 0]-1 c:r}(l;Ingt-~:-Ct-X] tif.;tj(-.-~~'; Jri .tt-l(~! l1pt:~-~r rf:!;-Jc:hf~~~ ()l I..c'"-.lke Pi~,Jel1,
<br />(Jta..'1. 'I'}-.a(-"t e(l] J 8C;1' i (n', c)f thesp (ld_ta lS [H-T't ()~r ti~,~(~ (;c;.1(n~;J~-k J Hjvr~l"l F',l hhi~-;l"~i {~B
<br />
<br />Il1.Vest.igrt1(Jl1S, c:~J jCilrlt B()H.-F]!;ti rilid W.:i L(LL:i.tf~ ~;f~l~TicE; {:r:'~~JS)
<br />il1.\testigate i3.i1d nltJli.it:(Jr J"tte l1istciry dl1Cl l:;lOlogicril
<br />elld;;ar~Jf~rE~i fisJ1(~S jTl tl~...-~ (;'i.1C.iJ-;~--jdG R.1."Jer ST:r"'~"3t8Tl_ 1.t][~S{"; j{;irrt RtTl(]jf~S i-il"'R i:rrt-l-:;ndt~J
<br />to 9cr"}jll c-J. beTt'f~l' 1]11i.1i?1:f"t;-ll)(lil1.[j ():t- tti8 1-i:3:t.. c:rrrIJ~t ::nt Iy I ]F;tf::'cl c~f~ er.,i"ldi;gr<:r;[:(l ln1(JF~r
<br />tl"le l-'~I1.da11gel"ed :~ijecies Act Cit 197~, P. L. ~.;3--2ab; tl1.i~ C(1Jora-tc; S(il1-:3...-.;fisii
<br />(I~.~.Y~}!9S:t~~~_~"l_~ JUCJ.us) tiUlrpba.ck cl"nJ1; {~~~.1.l~~-J ~~Y.1~}, tiLJ1Jyt-ciJl {~,~~l~~ ~~l~.;rrar1s.}, d.S
<br />veJ] as t"118 Cdlldicj;lt"P rd_7:('Jrt;ilc:i{ s~l\:k(~"f~ {~~Y~~f.?YC!~.;.~ ~,q_~1._~;s}"
<br />
<br />~J:r'i.:~f':tnlel-~t (1i:;;:,ig11K:l t'i)
<br />r€ql.1 J"f'nl,~ll.ts Cit t:118
<br />
<br />Since the discovert ot 45
<br />111 spr_lng of 1980 {~Jel~(jl1;..~ et <;J
<br />
<br />large
<br />
<br />cilul t
<br />
<br />(.A:11(jraJ(; SCjuA3?Vvt i811
<br />
<br />J.!.il.
<br />
<br />Ciy !T~1 "U'Ii
<br />
<br />C3 ti.'it()l1
<br />
<br />198:2), att~rlt.i.()rl b,~.~:; 1~-:;e11 dra'WVl..... t() tl-..c ~'~ter5
<br />c--Jt l1pfJf-'!l"l I.;1k(, :PCj~"~f~J _t n~l(l T(J tt~f.j r r;(';5S'; t)J [~ c;cc;.tf.xJj(,:C:~l j.rnpol.,t.an_Ct~ tc; thlJ
<br />er~llgfYr'c~fl f .istU:~R " :f.~:t"'onl] !.382 tc; 1 ~,.JH4 r i n"c~st j ~latiCJ11S .'J.t ~ )f~ v.zeJ'(~ CCj:rlGerltl":l~l'ted iri
<br />tll.e UflFJCJ"I 1"'=f-!C1ChE;S; of" L;:lK.e l:\:x,'J811, tran ~ipsU1n ta1YCJll 'tC) Hj Tf~ i.J"ri1:-=.llla (:F"jg-:.rre J. J .
<br />f...Ji ttle v.IaS 1...'1.1a,.l.n ()t thl2 trEe.- tlc)vllrq Coloren() River irrn1'lC~1:1c1tt:.Jy riL-x)\''''(-' tt.if7 lrike 111
<br />Cataract Ca...'1Y011, Gxcer)t tiJl" jrJ\.7t.=:r.:;tJgatiol1S -Of }i"J-~:; {\lid.l(lE~Z et aj. ]9H~}.. 11'1 ]~H~),
<br />c-~OR i11i tiated .J.l1vestigation.s in, Cataract Cal1.'}rTo11. Results ()t the 1986
<br />il1Vf:~f.;t"igation, COlrl.1C;'tc~d by :C::Ct..JSistar.s ReS(~_:tl~(';h lrls;tj.t:\jt.e (VriJdc::z et al. l~S!)),
<br />il1dicatec1 t11e preSell.Ce ot substall.t.1al 11.UJcl-Jl~rs '"":it YOUlJg SljlJat4f isl1. di1i1 }'n:Cllpt:Bc,~
<br />Cliub, af; ~-~J.l as lll(~ rJOSsilJle }.JreseI1ce ot 'tx")ll)-'I't;li} i11 L,C)tal~;ict C;(-,H1"iC)11 \'Jj~h a
<br />pcJSSible re la'tiallship 'to UPp2l' I..-~k.e Pcw.1ell. This pn:::mptfi(~ f1n''tl;f~l' inver:;t j~;a'tion:'"
<br />by BDH, cu'1din ] 986, BJO/~~E3T Rf J ~lnl') U:ah:-~~, c.:-;,..;r].on:2'rlj C""/':;-,! I:~ I cnnt inm~ "thF!sees~Jdies for possibly 3 year3. ~~t 1b~~ \uN'-. yv 0 lub
<br />
|