Beartrap Creek immediately below the dam On ti, 



7.5 miles downstream was 82 JTU. No turbidk^ TjT '^^' "?' '^^''^'^ '' ^^ ^'^^^er station 

 beaver ponds below Pass Creek apparent eS^dTut'T^'u'' ^^^'^ ^'''' °" ^^' date. Z' 

 water from tributary streams diluted the sed ' It "^"^^ '"'P""'^^'^ "^^^^rial and clea^^ 



une 23, turbidity at Pop's Place w^ 2 JT^l:^^^^^^^ '^^^^ ^^ ^° statio" ot 

 to dam failure was 5.2 JTU (Spence 1 975) "^ "^^'^^ ^^'^^^^^d ^^ Flesher prior 



stress caused by handling in Jdhbn to ^^^^^^^^^ '^^^ 7 "^'^ '^^"^d have been partly due to 

 - not likely since the control fish in Shot GulchIT ''"^'^,^°"^"-- P-sent. However ^• 

 none of them suffered mortality. "^ ""'^"^'"^ ^^ ^^^ handling procedure aM 



Bottom fauna were noticeablv decrea^eH »ft«, a r -, 



we. „„k=d differences in n™ e'^ „tL ™ ^^^ '' "' '"" ^""■^ ^^P'^^' ^ere 



m.o a n,„re available f„™. If subs,2?^I„" J,"P°^='' '" ""^S"' *=^ "^^ oxidize 

 sulfate wll make U,e SO, ion more so lubrtoTalr Suftf "f "'"""■ '""'"'' '""<'^''™ '° 

 "h.eh w,ll lower the pH, which will allow pTe^ul^H' '?'' r" ™" """"" =""^' "cid 

 causing stress to the more sensitive aqttatic bbtl ^L . ""^^ '° «" '""' »"«»"• 



more or less neutral in pH, their presenTe „ rh?, ? ? *""«'' *= '^'^'""i flings were 

 condition of the river. '^ ' '" *' ='>'''="■ '=<"'M ^I'er the future chemical^iologTcal 



some newspaper articles about the dam failure are presented m Appendix H 

 Appendix , contains some photographs taken before and after dam failure 



Appenai,.con.,„smapsshowi„gwater,uali.samplings.tesa„dlocatio„sof.shhvecages. 



LITERATURE CITED 



^'™'et';tL?Ta;frs' But's'iwr '"^""^ '" *= '"™^«™- of aquatic 

 Cordone, A.J. «fc D.W Kellv IQfii 'n,^. • n 



streams. Califorrua F^isi^d Sle ^^cH ll^T"' "*"="' °" *^ ^""•^ "^^ of 



18 



