UNITED STATES DEPARTMENT OF THE INTERIOR, Oscar L. Chapman, Secretary 

 FISH AND WILDLIFE SERVICE, Albert M. Day, Director 



I 



CHARACTERISTICS OF SPAWNING NESTS 

 OF COLUMBIA RIVER SALMON 



\ 



By Clifford J. Burner 



FISHERY BULLETIN 61 



From Fishery Bulletin of the Fi*h and Wildlife Service 



VOLUME 52 



UNITED STATES GOVERNMENT PRINTING OFFICE 



WASHINGTON 



1951 



For sale by the Superintendent of Documents, U. S. Government Printing Office, Washington 25, D. C. 



Price 20 cents 



