Table 1;- The results of toxicity trials in which fish were exposed to several concentrations of 



rotenone in troughs at Abrams Creek Campground on June 6 and 7, 1957. Both the water and the 

 fish used in the troughs were taken from Abrams Creek. 



Grand total 



230 



1/ Sirrvived 3-hour exposure 



2/ One specimen survived 3.25-hour exposure 



