UNITED STATES DEPARTMENT OF THE INTERIOR 

 U.S. Fish and Wildlife Service 



BUREAU OF COMMERCIAL FISHERIES 



Spawning Areas and Abundance of Chinook 



Salmon ( Oncorhynchus tshawytscha ) in 

 The Columbia River Basin—Past and Present 



By 

 LEONARD A. FULTON 



United States Fish and Wildlife Service 

 Special Scientific Report- - Fisheries No. 571 



Washington, D.C. 

 October 1968 



