Police have now identified the Mason City man who died Wednesday afternoon after an ATV accident at a Waterloo recreation park. Officials say 51-year-old Kelly Ollman was riding with a friend in the Riverview Recreation Park and Trail near the Cedar River when he lost control of his four-wheel all-terrain vehicle and struck a tree shortly before 2 o’clock. The accident happened deep inside the 160-acre park, and emergency crews had to use an off-road vehicle to reach the accident site. Ollman was pronounced dead at the scene of the accident. Waterloo police are still investigating the accident.