Colorado-Wyoming Gas Co. No. 575, in Supreme Court of United States, Oct. term, 1944, Colorado-Wyoming Gas Company v. Federal Power Commission, Colorado Interstate Gas Company, city and county of Denver, Colo., Public Service Commission of Wyoming, Public Service Company of Colorado, and Canadian River Gas Company, on writ of certiorari to circuit court of appeals for 10th circuit; brief for Federal Power Commission and Public Service Commission of Wyoming.