Riggs EDWARDSVILLE - Arno A. Riggs, 53, of 146 E. Dunn St., died Saturday morning at his residence. An employe of the McDon(nell-Douglas Corp., St. Louis, the past 11 years, he was a lifelong resident of Edwardsville. Born April 20, 1914, at Pleasant Ridge, Ill., a son of the late Charles and Martha V. Hightower Riggs, he was mar-
