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<br />W <br />N <br />f-o <br />(.>1 <br /> <br />..\l.' t:\,-,:-,\\.1.1 f.p....in::.::: f,ener..lly i.::;.::;uc [ror.l ;',r:1Vcl::: ,,1oil;~ the river t.ut <br />t..\,:; .....ller i:; tr.lv,'! i.l"; to ~ilc JU"'i.''-,c~ throUI~ll llH.' um.lcrlyin.; bo:Jroci<. <br />G,'rh:r..lly Cite ::>;)1"1n:;::.; ::;\,.'CI;J to he found in .'1re..::: '\.J:tcrc c.hc C.1vcrnou::: <br />l"::.lJvillc ll.:~c:::tonc ct"<Jjls Out but. ocher form'-ltLon::. arc .:11':;0 invo~vcd. <br />It is :i15,,) of :oi.t;niiic:m..:c th::c t~lC l'.:lrauox formatio.l i::: iour,~ i;-;. the <br />:~cncr..l Vi.:illlty of both Gprin:; area:::. Chemical analy:::c::: of tl}c .....l.(er <br />[rJ~ the $?rin~5 ~how larzc amountS of both sodium chloride ana c.:llciu~ <br />sulf.:1tc ~nd the ?~radox cvntaLns beds of these minerals in the for~ of <br />h~litc and &YP'::;UQ. <br /> <br /> <br />P1244-427-3 ~A Colorado River Water QU.:llity lmprove~cnt Probr3~.Color.:ldo <br />liot mineral sprin&s in the Dots('ro a::'ea: This view is in the bubble up <br />~re.J. and part of sampling station dot 10. <br />USBR Pilato by V. Jetley Fcbrua::,y 22. 1973 <br /> <br />Evid.:o;1':"" of volcanism .:1":; recent as Pleistocene in age occurs in :he <br />area and sUb~ests the possibility that hot intrusive bodies ..~y be <br />;>rc5ent in the subsurface. A cinder con~ and lav.o flow a::'e ::oun.: aoo1.::: <br />five :::Jiles east of the Dotsero Springs and other similar evidence exists. .. <br /> <br />:n s~~~ary. only very gcnerali~ed geoio~1c d~ta is available on :he <br />~lc~vood and P~=scro Springs and an cxtcn5ivc explorat~on ?ro~r~ ~oylJ <br />bo necessary to delineate the geology and hydrology. It i6 pos~ible <br /> <br />4 <br />