1. Zoning Ordinance of Silvis, Il Collection: City Planning and Landscape Architecture (CPLA) Contributers: Silvis Planning Commission; Bi-State Metropolitan Planning Commission Format: Ordinance Publication Date: 1983-12 Location: City Planning & Landscape Architecture Reference and Resource Center, Funk Library, University of Illinois Box: 41; Folder: 54 CPLA Sub-Collection: Cities from Around the World