Effects of the June, 1975 Mike Horse mine tailings dam failure on water quality and aquatic resources of the Upper Blackfoot River, Montana effectsofjune19700montrich Year: 1997 APPENDIX D ' s ^ DEZP^JlTTIEaifVilQt^- â /.^.-. V.,' RsH Anna CJiame Box 1063 P^h 91 1 Qo/c Glendive, Mont, reb. 21,1976 59330 Dear Liter, I recently discovered a paper that will help you deciede thP 5? '^^croinvertebrate population changes you found in the Blackfoot River afterthe washout are significant Cairns(l967) states that 'For biologically oriented abSfS 7. T' °P!^^^i°'^l definition of optiL? il the abil
Effects of the June, 1975 Mike Horse mine tailings dam failure on water quality and aquatic resources of the Upper Blackfoot River, Montana effectsofjune19700montrich Year: 1997 APPENDIX D ' s ^ DEZP^JlTTIEaifVilQt^- â /.^.-. V.,' RsH Anna CJiame Box 1063 P^h 91 1 Qo/c Glendive, Mont, reb. 21,1976 59330 Dear Liter, I recently discovered a paper that will help you deciede thP 5? '^^croinvertebrate population changes you found in the Blackfoot River afterthe washout are significant Cairns(l967) states that 'For biologically oriented abSfS 7. T' °P!^^^i°'^l definition of optiL? il the ability to support an aquatic community in a pattern whioh fst?.??^'^^''^-'^'^' ^^^' 2° P^^; '^^^- ^^^ ''' °^ ^^^^^ '^'^lity control techniques Bull !3???!f3':^^'' ^'^ ^^'^^^' ecosystems. Water Res!^ also see : Cairns J. and 1969. Cluster analysis of Potomac River survey stations based on Protozoan presence anbencs data. Hydrobiologia 34'iSJ-43l 'L\\l''o\S:?.'|,'di^e^s'itv''cL\\''^'i?^.^ °' ^^ ^° 2^^ °^ but deviations over I^^Li?^''^^^^'^ normal and healthy examine yoi?^?e°;i^hoTt S:ers1iranTfSd^^?he^SIgL°s? '^'^ value and compare it with the post-washout diversi?J I hope this is of some help. Sincerely, Robert L. Newell A-52
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