No. 4260. October 18, 1951. Rehearing Denied January 5, 1952. Dominick L. Manoli, Washington, D.C. (George J. Bott, David P. Finding, A. Norman Somers, Washington, D.C., and Margaret M. Farmer, Washington, D.C., on the brief), for petitioner. Philip Hornbein, Jr., Denver, Colo. (Philip Hornbein, Denver, Colo., on the brief), for respondents. Before PHILLIPS, Chief Judge, and HUXMAN and PICKETT, Circuit Judges. HUXMAN, Circuit Judge. This is a conventional proceeding under Section 10(e) of the National