State Police were called to the scene in Harmony Township around 8:20 p.m. Saturday, shortly after the accident occurred.
Officials say the 55-year-old woman, whose name has not been disclosed, was in a pontoon boat with two men when it capsized. The two men made it to shore, but the woman could not be found.
Divers searched for the victim for several hours Saturday night before the search was suspended. It resumed early Sunday.
It's not yet known what caused the boat to capsize
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