fishingtoo,
Sockeye were introduced to the Lake Washington system in the early 50's from Baker Lk stock. Before the Locks were put in at Ballard the Cedar did not even flow into Lake Washington, it went into the Black R and eventually the Green R. The Chinook and the Coho that are there now actually swiched migration routes through Ballard after the river was altered. Although, I personally worked on the Cedar for a while and I saw alot of Chinook and Coho that looked an awful lot like the same Chinook and Coho at the Isaquah Salmon Hatchery.
I am all for opening the Landsburg dam to Chinook, Coho, and Stealhead. I do hope they plan on putting some kind of a smolt slide on the dam though because, like CedarR said, the cutts and Rainbows on that river are something else.
I also agree on not putting Sockeye into the upperwatershed. Not only is the city worried about the fish nutrients in the city water intake, but the seagulls that spend a half day at the local land fill then eat spawned out Socks the rest of the day and bath in the upper river, no need to attract them. Sockeye are also carriers of a diseas known as IHN, that is deadly to just about everything but Sockeye(as far as fish go anyway). I do not know enough about it to go into to much detail but its a nasty thing. Glad to here they are still moving forward though, when I was there in the fall of 98 they were just starting to measure where everything would fit.

NEN