ND Illinois January 1946 casesActivated Sludge v. Sanitary Dist. of ChicagoMartineau v. Eastern Air LinesBarnes v. Chrysler CorporationBowles v. Chicago Cartage Co.Colegrove v. GreenGuth v. Texas Co.Joint Council Dining Car Emp. Local 370 v. New York Cent. R. Co.Spoor v. Q C Co.