Denver tramway corporation Master plan for trams studied. Post N 24, 1951 P 3 Survey of tram service* - Post Ja 19,, 1952 ps31 Tram pays 1st dividend since 1948* RMN Ja 25, 1952 13*5 Dividendst (Editorial).* RMN Ja 26-, 1952 Income up 700%. Post Ap 24, 1952 pA Service not improved customers poll Post My 61, 1952 ,p; l Tramway profits bring better service demands. Past lLy 29, 1952 p.1