45 



1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 

 "Natural" G Snake R. Strays D Columbia R. Strays □ Unallocated Strays 



Counts Adjusted to Take into Account Brood Stock "Mining" 



1.000 



C 800 



E 



g. 600 

 (0 



o 



LU '♦oo 



200 



1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 



■ "Natural" D Snake R. Strays D Columbia R. Strays 



G Unallocated Strays B Brood Stock "Mining" 



Figure 4. Estimated number of "natural" and stray fall Chinook passing Lower 

 Granite Dam; unadjusted (upper) and adjusted (lower). 



