D. Colorado August 1972 casesCurtis, Inc. v. United StatesAllen v. Pipefitters Local Union No. 208, of Denver, Colorado of United Ass'n of Journeymen and Apprentices of Plumbing and Pipe Fitting Industry of U.S. and Canada (AFL-CIO)Hanley v. Four Corners Vacation Properties, Inc.United States v. El Paso Natural Gas Co.W.C. James, Inc. v. Phillips Petroleum CompanyCalifornia Car Wash Systems, Inc. v. Danco, Inc.Lederman Enterprises, Inc. v. Westinghouse Credit Corp.Almarez v. Carpenter
