RICHEY, Mont. Karen Knudson, age 75, of Chandler, Ariz., formerly of Richey, Mont., and of Minot, N.D., passed away on Saturday, Feb. 2, 2013, in Chandler. A Memorial Service will be held at 1 p.m., Thursday, March 21, 2013, at the American Lutheran Church in Richey, with Rev. Nathan Hall officiating. Silvernale-Silha Funeral Home of Richey has been entrusted with the arrangements. Remembrances and condolences may be shared with the family at: (www.silvernale-silhafuneralhome.com).