In 1959, the system expanded again when the City of Chicago transferred more than 250 parks, playlots, natatoriums and beaches to the Chicago Park District.
As of 2014, the Chicago Park District was the steward of over 8,000 acres of open space, totaling more than 570 parks, 31 beaches, 50 nature areas and 2 world-class conservatories.
Although the three park commissions operated independently, the overall goal was to create a unified ribbon of green that would encircle Chicago.
The three agencies each commissioned their own designers to create pleasure grounds and interlinking boulevards that could be enjoyed by the whole city.
The West Chicago Park Commissioners hired William Le Baron Jenney to lay out Humboldt, Garfield and Douglas Parks.
The South Park Commission selected the nationally renowned landscape architect Frederick Law Olmsted Sr.
to design its park system, now known as Washington Park, Jackson Park and the Midway Plaisance. architects and Olmsted Brothers landscape architects to pioneer new neighborhood parks that offered recreational opportunities as well as social and educational programs.
Photographs made and/or printed from the 1970s forward do not usually include source notes unless they are the result of construction projects or commissions.
Notable among the latter are works created by photographers James Iska and Judith Bromley, both of whom documented parks in service of Julia Bachrach’s book, .