Thelma Margaret Riskedahl, age 91, of Ozark, passed away Monday, October 3, 2011. She was born June 5, 1920 in Fenton, Iowa, the daughter of Joseph and Hilda (Boletta) Anderson. Survivors include: her husband, Jasper Riskedahl; two daughters, Jerrilyn Bouman and husband Don, and Pam Kutzner; five grandchildren, Tracy Higgins and husband David, John Ostrem and wife Angie, Kristin Huzar and husband Sam, Rebecca Johnson and husband Jess and Michael Kutzner; eight great grandchildren, Jeffrey Higgins, Emma Grace Ostrem, Ryan John Ostrem, Zion Huzar, Zen Huzar, Jake David Johnson, and Elizabeth Quinn Johnson; and four stepchildren and their families, John Riskedahl and wife Margaret, Sharon Yeager and husband George, Rebecca Mitchell and husband David and Joan Pierce. Thelma was preceded in death by her parents; her first husband, Merlyn Olson; three sisters; and seven brothers. A service will be held at 2:00 p.m. Tuesday at North Park Village, Ozark.