Civil Action No. 2407. March 30, 1948. William M. Kapell and Daniel Harrington, both of Washington, D.C., for petitioner. Philip Hornbein, Sr., Philip Hornbein, Jr., Wayne D. Williams, and Charles T. Mahoney, all of Denver, Colo., for respondents. Action by Hugh E. Sperry, Regional Director of the Seventeenth Region of the National Labor Relations Board, for and on behalf of the National Labor Relations Board, against Denver Building Construction Trades Council and others, for appropriate injunctive