Prohibition. Denver E.H. McClenahan takes over duties as Federal Prohibition director. Post July 9, 1921 p.6 Huge shakeup in Denver. Post April 14, 1923 p.l E.H. McClenahan succeeded by R.A. Kohloss. Post April 18, 1923 p.l Movement of 1910. RMN My 4, 1930 p.l Mag. Sec.