The Commission on City Plan began in 1939 compiling statistics on various aspects of the master city plan. Parts on the plan covered are: Master Park Plan (1939-51), Master Plan on Residential Blight and Slum Areas (1946), Master Street Plan (1939-57), Fire Department Plan (1941- 61), Bath Houses and Comfort Stations Plan (1941-60), Master School Plan (1939-51), Master Water Plan (1943, 1945), Master Recreation Plan (1944-50), and Master Plan for Rapid Transit (1946). The data consists of the location of existing and proposed facilities in each of the areas covered.