'fable A-3i — l.ni.ibcr of fish prosout in first fiohiroy pool and 6-pool 

 tot:J. far <uch minute dui-ing one-hovir teat pcariod in 

 fi-»o capacity trials, 19'->7. 



if Inoomplote oovmt after minute 10. 



16 



INT.DUF.,D.C.60- 7521J 



