436 U.S. 180 98 S.Ct. 1745 56 L.Ed.2d 209 SEARS, ROEBUCK AND CO., Petitioner,v.SAN DIEGO COUNTY DISTRICT COUNCIL OF CARPENTERS. No. 76-750. Argued Nov. 7, 1977. Decided May 15, 1978. Syllabus Upon determining that certain carpentry work in petitioner’s department store was being done by men who had not been dispatched from its hiring hall, […]