TO WED -- Mr. and Mrs. Walter Wilcox of Perham announce the engagement of their daughter, Vespa L., to Harry Johnson, son of Mr. and Mrs. Henry Johnson of Perham. Miss Wilcox was graduated from Caribou high school in the class of 1945. Mr. Johnson was honorably discharged from the U. S. Army in October 1946, after serving four years in the 29th Infantry. The wedding will take place in the spring.