UNITED STATES DEPARTMENT OF THE INTERIOR 



Stewart L. Udall, Secretary 



James K. Carr, Under Secretary 



Frank P. Briggs, Assistant Secretary for Fish and Wildlife 



FISH AND WILDLIFE SERVICE, Clarence F. Pautzlce, Commissioner 



Bureau of Commercial Fisheries. Donald L. McKeman, Director 



ANNUAL FISH PASSAGE REPORT - 

 ROCK ISLAND DAM 

 COLUMBIA RIVER, WASHINGTON 



1962 



by 

 Paul D. Zimmer and John H. Broughton 



United States Fish and Wildlife Service 

 Special Scientific Report— Fisheries No. 467 



Washington, D.C. 

 August 1964 



