Niederbaumer-LeistenMr. and Mrs. Emil Nieder-baumer, Wecota, S. D., have announced the engagement and approaching marriage of their daughter, Miss Elda Niederbaum-er, to Ralph Leisten. The bride-elect and Mr. Leisten, son of Mr. and Mrs. Arthur Leisten, 5704 19th Ave., will be married in Wecota July 7.Miss Niederbaumer was a teacher at Friedens Evangelical Lutheran school. Mr. and Mrs. Leisten, their daughter Marjorie, Mr. and Mrs. Richard Ganz and son Robert will leave for South Dakota this week end to attend the wedding. Mrs. Ganz is a daughter of the Leistens.