Maybe let the Marine Patrol know you have it, in case anyone has reported it missing? You could also let the Alton PD know, and maybe put a "Found" notice at the Alton Corner Store? Good luck finding the owner, I'd sure hate to have to pay the "disposal fee" on that tire to get rid of it! And kudos to you for pulling it out of the water rather than letting it stay there and having someone run into it..........
