United States Department of the Interior, Fred A. Seaton, Secretary 



Fish and Wildlife Service 



FLUCTUATIONS IN ABUNDANCE OF COLUMBIA RIVER 

 CHINOOK SALMON 1928-54 



By 



Harold A. Gangmark 

 Fishery Research Biologist 



Special Scientific Report- -Fisheries No. 189. 



Washington, D. C. 

 July 1957 



