BuL. U. S. B. F., 1 90S. 



Platk CLI. 



Al:iskau fish traps and runs used by natives 011 Chilkoot Stream for obtaining their winter supply of salmon. 



Salmon trap in an Alaskan river. This form of trap is extensively used in the Bristol Bay region, and takes 

 immense quantities of salmon for the canneries. The largest traps have leaders more than half a mile 

 long, and cost upward of $15,000. 



