JOANN OGAN ENGAGEDDECEMBER BRIDE — Mr. and Mrs. Stanley A. Ogan, 607% W. Church St., Marshalltown, announce the engagement of their daughter, Joann Marie, to Stanley G. Doerr, son of Mr. and Mrs. E.W. Doerr of Minneapolis, Minn. The wedding Is planned for Dec. 23.Miss Ogan is a graduate of State College of Iowa, Cedar Falls. She formerly taught in Webster City and is presently teaching in the Cedar Fallsschool system.Mr. Doerr is an alumnus of State University of Iowa, Iowa City, where he was affiliated with Delta Chi fraternity. He is presently employed in the West; Marshall school district, State Center.