Silver anniversary at Jefferson Sunday for Harry Irwins■Mr. and Mrs. Harry Irwin of Jefferson, S.D. will celebrate their 25th wedding anniversary with an open house, Sunday, Jan. 9 from 2 to 4 p.m. at the Jefferson city hall, Jefferson, S.D.Caroline Groenhagen and Mr. Irwin were married Jan. 8, 1947 at Le Mars. They have since lived in Jefferson,Their children are Mr. and Mrs. Kenneth Irwin of Sioux City; Mr, and Mrs. Dnhald Irwin, Jefferson and two grandsons, ^risti and Bradley, Mr. and Mrs. Martin Irwin, Ida Grove and Brian at home.All friends are invited to the open house.