Chicago, Ill. No. 8331, in circuit court of appeals for 7th circuit, United States v. 93,673 square feet of floor space, more or less, in Chicago, Cook County, Ill., Clearing Industrial District, Inc., General Motors Corporation and Argonaut Realty Division; General Motors Corporation v. United States, appeal from district court for northern district of Illinois, eastern division, Michael L. Igoe, presiding; brief for United States.