J. Seymour Curry, Lake Shore News (Wilmette, Illinois), 10 Sep 1914, p. 5 The tower of the University Hall is an important station of the United States Triangulation Survey, and it is one of a chain of observation points extending from Chicago to the north shore of Lake Su
J. Seymour Curry, Lake Shore News (Wilmette, Illinois), 10 Sep 1914, p. 5 The tower of the University Hall is an important station of the …