TABLE OF CONTENTS 



Pa g e 



Introduction 3 



Methods 4 



Water Quality 4 



Bottom Fauna 4 



Live Caged Fish 6 



Fish Populations 6 



■^ Stream Sediment and Tailings Analyses 7 



Results 7 



Water Quality 7 



Bottom Fauna 7 



Species Diversity 9 



Live Caged Fish 13 



Fish Populations 13 



Stream Sediment and Tailings Analyses 14 



Discussion 17 



Literature Cited 18 



Appendices 20 



Appendix A - Species diversity indices formulae A- 1 



Appendix B - Water quality analyses, individual samples A-4 



Appendix CI - Species diversity analyses - pooled data for all samples A-29 



Appendix C2 - Species diversity analyses - one-square-foot samples A-34 



Appendix D - Letter from Robert L. Newell A-52 



Appendix E - Data pertaining to live-caged cutthroat trout at four locations A-53 



Appendix F - Montana Bureau of Mines and Geology tailings analyses A-55 



Appendix G -The Anaconda Company tailings analyses A-59 



Appendix H - Newspaper articles A-61 



Appendix I - Photographs A-64 



Appendix J - Maps A-70 



