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The biggest remaining challenge may be negotiating to acquire additional land that’s needed, including private farmland adjacent to the Skagit and Nooksack rivers. Negotiations must be fair and proceed with respect for the economic and cultural importance of agriculture.
On the sack it's nothing but nets, don't believe habitat is the issue..
There are some streams in Washington that have habitat that has been preserved in pretty good shape for many years. Far better than habitat projects in the Sound will return that land back to. Those streams have declines too. For instance, check the habitat for the Queets River (system). A lot of really good habitat. Nets six days a week. Not much in the way of fish (considering what it should have based on the habitat argument).
There are so much politics involved with salmon and habitat it makes your head spin