571 



Spawning Areas and Abundance of 

 Chinook Salmon (Oncorhynchus tsha>vytscha ) 



in The Columbia River Basin- 

 Past and Present 



j Munne Biological Laboratory 



' LIBRARY 



I -cC2 1968 



i WOODS H OLE. MASS. 



SPECIAL SCIENTIFIC REPORT-FISHERIES Na 571 



