1. Map of Greater Peoria Illinois Covering Peoria and Environs Collection: City Planning and Landscape Architecture (CPLA) Contributers: City of Peoria Engineering Department; Howard Company Format: Map Publication Date: 1957-04 Location: City Planning & Landscape Architecture Reference and Resource Center, Funk Library, University of Illinois Box: 40; Folder: 25 CPLA Sub-Collection: Cities from Around the World
2. Zoning Map: Village of Rockton, Illinois Collection: City Planning and Landscape Architecture (CPLA) Contributers: De Jong, Middaugh and Associates Format: Map Publication Date: 1957-11-21 Location: City Planning & Landscape Architecture Reference and Resource Center, Funk Library, University of Illinois Box: 41; Folder: 13 CPLA Sub-Collection: Cities from Around the World