UNITED STATES DEPARTMENT OF THE INTERIOR 



Stewart L. Udall, Secretary 



James K. Ciirr, Under Secretary 



Frank P. Briggs, Aasintant Secretary for Fish and Wildlife 



FISH AND WILDLIFE SERVICE, Clarence F. I'aiitzko, Commissioner 



Bureau or Commercial Fisheriks, Donald T,. McKonian, Director 



SUCCESS OF PINK SALMON SPAWNING RELATIVE 

 TO SIZE OF SPAWNING BED MATERIALS 



by 

 William J. McNeil and Warren H. Ahnell 



[Contribution No. 157. College of Fisheries, University of Washington] 



United States Fish and Wildlife Service 

 Special Scientific Report— Fisheries No. 469 



Washington, D.C. 

 January 1964 



