<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />WYOMING
<br />
<br />.
<br />1
<br />I
<br />I
<br />NEVADA I
<br />uJ
<br />, ,
<br />: r.
<br />I
<br />.
<br />I
<br />,
<br />"
<br />"
<br />.'
<br />\ ~
<br />" LAS "~" ....1-'1 i
<br />''\(EO....S:. ~~ ~\~~t
<br />BOUlOER eTY e" 9-
<br />,~ H__., OQ",
<br />''1,
<br />"
<br />,
<br />NEEDlES I_ ~ ..
<br />I , NEW MEXICO
<br />' I
<br />' I
<br />I "J)O \
<br />' <' ,
<br />' -l' \
<br />1 JO ,
<br />8t. m..le...... ,
<br />CALIFORNIA, . ,
<br />. I
<br />~ ,
<br />I ,
<br />,
<br />. YUMA cs ....
<br />
<br />~_~~':-::'''''_''''' TU ON~~~ \ i :/' "
<br />, ..........' ,\,
<br />............ I \ \, I: .- -___
<br />........, _ l~ .1.'__1 ....EXICO
<br />" SONORA
<br />
<br />UTAH
<br />
<br />,
<br />,
<br />,
<br />,
<br />"
<br />,
<br />,
<br />I
<br />,
<br />,
<br />.
<br />,
<br />I
<br />, ,
<br />.1..........14 '
<br />eo...-
<br />.
<br />'-
<br />--,
<br />,
<br />I
<br />,
<br />
<br />'..1"-------,
<br />O.IOOH i 10""0 :~""""-c'i
<br />.. : I, -
<br />-r--...._. I
<br />, ..1-....1' _'~.
<br />' " ,
<br />I N(Y...O" 'Iur,," I
<br />' -:otc
<br />': .
<br />(", r
<br />"'l, , ,
<br />'<," f--
<br />. '.
<br />
<br />
<br />: \
<br />a ri,._
<br />. ; -..
<br />, ......._'"--:.~;l'Ic;.,..
<br />
<br />COLORADO
<br />
<br />.--".---
<br />
<br />L.o.........,ftOll....
<br />
<br />,
<br />,
<br />,
<br />I
<br />,
<br />,
<br />I
<br />..
<br />.,'
<br />
<br />
<br />ARIZONA
<br />
<br />,
<br />"
<br />
<br />
<br />
<br />Fig.
<br />
<br />l.--The Colorado River drainage basin.
<br />2
<br />
<br />N
<br />
<br />t
<br />
<br />'00
<br />
<br />'"
<br />
<br />100
<br />.
<br />
<br />""...
<br />
<br />L.
<br />
|