Actually got a bunch in the 80-90s ice fishing beaver and Beulah bay biggest I remember was 8-10lbs. Would jig for them sometimes in the chutes by the tailrace, set the hook as soon as your 1.5 oz jig tipped with a smelt or sucker dropped on something that wasn’t hard, almost always a ling biggest ever got out of there was 10-12lb. We actually got a few off the farthest east wing wall too, back in the day where you would just shine a million candle power spotlight into the water and see hundreds of walleye eyeballs and then you could decide which set of chutes you wanted to fish.