You are right about the late big Cohos, Still have the visions of a huge rosy sided buck Coho coming out of the water on hookset at the clay banks at Erindale one December morning with ice forming on the shore. About the same time , mid 80's, a 50 fish day the weekend after opener on the Ganny, somewhere up around Canton on a hydro rightaway, pool might have had 2 -300 dropbacks above a logjam waiting for a rain to get back to the lake, they were voracious.