195 If the Hanford Works was responsible for eclininating the salmon, we would ezpoct this particular lesal population, which is highly specialised for this particular area, perhaps, would disappear. 12 the numbors of Fish which keep returning here romain about the same, well, things just probably can't be tco coygone bad. which we Q nests oz nests cach yeor. have seen, If we vabers of B ss) 9 @ Vaal This shows an analysis of th ssune that the year the parent o ft © ws (S1i mmber G) @ We have counted thes fish spa, 1347, 1648, 1949, 1950 -- is noznal, ard we use this ing) wo can compara hov many nests were cr ¢.a eas a sero line (indice ” available when these offsprins came back, and we can determina herve (indicating) if our assunptions ara right. of course, lots of if's here. There are, Then, we should know if this population is remaining the sams for going downhill, These fish are four years eld when they spam, co each four years there is a diiferent population that has to be considered independently of those which spawn the year before or the year after. This is what haypened, The fish which spawned in 1947 profuced offisvring which came back. There were a few nore nests in 1951 than thers wero in the parent year of 1947. Every year artter that, there have been a fevsr nests than in the parent year. Again, this dess not really mean anything unless we compare this with wnat Is hangening to the Columbia River population cs awnole, Thoy are going down over a series of dams and going out into the oven. Many have beon cisapncaring there, So, we have te