For magnum sized crappies, try Hamilton Lake in Steuben County. I have personally caught my biggest crappie ever there at 18 3/4 inches. I caught him in a bass tournament on a 1/2 ounce rattletrap. I weighed him on the tournament scales and he went 2 lbs. 11 oz. Unfortunately, at the time I did not have the money to mount him, so I ended up throwing him back. There are a lot of crappies in Hamilton, also. I don't know of a better lake in our area for crappies.