Denver. Streets. Lighting Revolutionary combined lighting and advertising system introduced. Post Sept. 8, 1963 p.1D City is among "best lighted" communities in U. S. Post March 28, 1965 P-79 Improved street lighting helps reduce crime in'Denver police say. RMN Ap 17, 1966 p.21 Post AP 17, 1966 p.3 City now has 1C^ mercury vapor street lighting. RMN D 8, 1966 p.8 Post D 8, 1966 p.57