■407 



WATER FLOW THROUGH A SALMON 

 SPAWNING RIFFLE IN 

 SOUTHEASTERN ALASKA 



Marine Biological Laboratory! 

 MAP G 1963 



WOODS HOLE, MASS. 



- 



SPECIAL SCIENTIFIC REPORT-FISHERIES No. 407 



UNITED STATES DEfjAj*TMEJjTJ)M^^ 



FISH AND WILDLIFE SERVICE 



