Funeral service for 80-year-old Mary JoAnn Jones of Columbus Junction will be held at 10:30 a.m. on Monday, July 18th at Snyder & Hollenbaugh Funeral and Cremation Services of Columbus Junction. Interment will be held at the Columbus City Cemetery. Visitation for Mary will be from 2-4:30 p.m. on Sunday, July 17th at the funeral home. A memorial has been established for Hospice of Washington County.