According to the witness statement of the boat owner and operator, while trolling with his grandson on the lake the boat took heavy water driven by the wind over the stern.  The stern of the boat sunk immediately putting both individuals in the water.  The bow remained afloat but pointing straight up while operator and subject treaded water.  Both were wearing their life jackets.  A passing private vessel observed the boat and pulled the two into their boat returned to the state park.  Neither of the parties were injured.  subject2 went out on the water in an attempt to find the boat but it had sunk completely.
Antimony                      