CONTENTS 



Page 



Description of Bonneville fish ladders • 1 



Time of passage compared with flow and temperature 8 



Bradford Island counts compared with Washington Shore ladder counts. . lU 



Hourly counts at Bonneville fishways l5 



Fish locks 20 



Mortalities in fish ladders 22 



Swimiring activities within the ladders 26 



Other fishways ascended by shad 27 



Summary and conclusions. . 28 



Literature cited 29 



