Dates: 1894-2011 (Bulk dates 1991-2010). Size: 106 linear feet; 6 linear feet of photographs. Chicago Public Library, Harold Washington Library Center, Special Collections. The Open Space Section is part of the City of Chicago’s Department of Planning and Development’s Sustainable Development Division. Growing out of the 1998 CitySpace plan, the Open Space Section works to increase the amount of publicly accessible open space in Chicago, in an effort to provide recreational green space to all residents. Some of its projects have included the Campus Park Program, the Calumet Open Space Reserve and projects to develop public pathways and trails along the Chicago River. The collection documents Open Space’s varied initiatives to increase the amount of and improve the access to green space for all Chicagoans. [Finding aid]