(Onawa, Iowa) – Boaters and anglers along the Missouri River in both Iowa and Nebraska, are being asked by law enforcement to be on the lookout on the shores and backwaters, for a missing boater. The Monona County Sheriff’s Office posted a notice on social media Wednesday (June 11th), with regard to a Monona County man who was involved in a boating accident May 24th, and is still missing. Anyone seeing articles of clothing or other evidence of the missing boater – whose name was not released – is asked to contact the Monona County Sheriff’s Office at 712-423-2525.