The Stutsman County Sheriff's Office is searching for a Buchanan woman who has been missing since Sunday night, according to Chad Kaiser, Stutsman County sheriff. Sonia Heinle, 63, did not return to her home after visiting her son's home about two miles away Sunday evening. Kaiser said the search has been going on much of Monday afternoon. "Land, water and air," he said. "No clues, but there is a lot of water out here." Anyone with information can contact the Stutsman County Sheriff's Department through the Stutsman County Communications Center at 252-1000. Search ongoing for missing Buchanan woman | Jamestown Sun Officials believe she was driving a tan 2003 Buick Lesabre with North Dakota plates 183AVF. Search Underway for Missing Buchanan Woman The population of Buchanan is only 114 people according to Wikipedia. The weather is about 4F right now.