No. 1080, Docket 79-7729. Argued April 30, 1980. Decided October 17, 1980. James C. May, Springfield, Vt. (Neil Mickenberg, Vermont Legal Aid, Inc., Springfield, Vermont, on brief), for intervenors-appellants. Geoffrey A. Yudien, Asst. Atty. Gen., Waterbury, Vt. (M. Jerome Diamond, Atty. Gen., Waterbury, Vt., on brief), for defendant-appellee. Appeal from the United States District Court for the District of Vermont. Before LUMBARD, VAN GRAAFEILAND and KEARSE, Circuit Judges. KEARSE, Circuit Judge: