67-year-old Joseph Kosma of Sheridan has been charged with a misdemeanor count of Reckless Operation of a Boat, in papers filed earlier last month by the Fall River County, South Dakota State's Attorney.
On July 4th, Kosma was driving a speedboat on the Angostura Reservoir south of Hot Springs, SD when he collided with another speedboat driven by Chad Collins of Rapid City, SD.