UXITED STATES DEPARTMENT OF THE INTERIOR 



Stewart L. Udall, Secretary 



John A. Cai-ver, Jr., Under Secretary 



Stanley A. Cain, Assistant Secretary for Fish and Wildlife and Parks 



FISH AND WILDLIFE SERVICE, Qarence F. Pautzke, Commuiswner 



BtJBEAC OF Commercial Fisheries, Donald L. McKeman, Director 



Annual Fish Passage Report - Rock Island Dam 

 Columbia River, Washington, 1965 



By 

 PAUL D. ZIMIvIER and JOHN H. BROUGHTON 



United States Fish amd Wildlife Service 

 Special Scientific Report- -Fisheries No. 533 



Washington, D.C. 

 October 1966 



