Pretty healthy population of those kokes - if they go anadromous should be a decent little jump start to a sockeye run. As much as I'd hate to give up fishing them out of my kayak when staying at the cabin, I'd trade that in to see sockeye coming up Indian creek any day.
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. . . and God said unto them, Be fruitful, and multiply, and have dominion over the fish of the sea . . .