(Brown Photo)W. Koupals observe golden anniversary dateMr. and Mrs. William J. Koupal celebrated their 50th wedding anniversary in Mitchell on June 20 with an anniversary mass at Holy Spirit Catholic Church followed by an open house.Hosting the open house were their children, Gene, Huron; Daniel, Mitchell; and William, Aberdeei.. Special guests included an attendant, Sylvester Barta, Vermillion; and Koupars mother, Mary Koupal, Tyndall; and 13 grandchildren.The former Helen Barta and Bill Koupal were married June 21, 1926 in Tabor. They were former residents of Lesterville and . Yankton and have lived in Mitchell for the past 13 years.