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<br />176:'\ <br />~ONTENTS. .~ ~"'" M"'~"':'1;" ~::.r. f",. ,:;;":: <br />.- . . .,.:.,~,v..!l"i:l.,.~"~,.,~.,,..n.1 "",,,,,-,~,,,,"':l <br />::~~~~~:::i~~f:::;ihu:;.~"M2 lU'_u~...i:I <br /> <br />Abstract .....................................................................................................Subject.to..RevtsiGn-.............-..........- <br /> <br />lntroduction................................................................................~~J~~TA~~~~I~l~.~~~;~~~;;...~...... 2 <br /> <br />Pwpose and scope .....................................................................tl::5:...GG...!eg!~~i..~r.;~f..................... 2 <br /> <br />Description of the study area .........................................:............................................................................................ 5 <br /> <br />Data presentation.........................................................,............................................................................................... 7 <br /> <br />Acknowledg.m.nts ................................................................,.................................................................................... 8 <br /> <br />Str.amflow ............................................................................................................................................................................ 8 <br /> <br />Discussion of wat.r-quality ...........................................................................:....................................................................... 10 <br /> <br />Dissolved oxyg.n and pH .............................................~............................................................................................. 10 <br /> <br />Dissolv.d solids and major ;005.................................................................................................................................. 11 <br /> <br />Trac. .l.ments..............................................................................................:.:::::::.:.::::::.::-.:==::::::::::::-.:............. 14 <br /> <br />Upper Basin................................................................:............................................................................._....... 16 <br /> <br />. <br /> <br />.Cadmium...~..~~_...::..~~:.:~~:.~:...:...~:::..:::.;:~:..~.,:..:. .:~:::;.=~::~:.:.:..............~~:....;...:.~.~~..:....::_. . 20 <br /> <br />Copp.r ...................................................................._......................................._......,...................._...... 23 <br /> <br />Iron .......................:................................................._.............................................................................. 26 <br /> <br />Lead........................................................................................................................_.............................. 29 <br /> <br />Manganese ........................................................................................................_.................................... 32 <br /> <br />Zinc ......................................................._............................................................................_........._...... 35 <br /> <br />Secondary m.tals .................................................................................................................................... 37 <br /> <br />Lower Basin ......................................................................................._............................................................. 38 <br /> <br />Cadmium................................................................................................................................................. 41 <br /> <br />Chromium .............................................................................................................................................. 42 <br /> <br />Copper ..._..................:~..................................:_....._.............................................................................. 43 <br /> <br />Iron ...........................:................................................................_....................._........................._......... 45 <br /> <br />. <br /> <br />Lead.............................................................._......_........................................___........................_.... 47 <br /> <br />Manganese ..................~.........;..............:...........__......................__.........._...._...._............._... 48 <br /> <br />CONTENTS <br /> <br />III <br />