United States Geological Survey (USGS)

• SKU: USGS_IL_TOPO_87
• Type: Wall Map
• Subtype: General Topographic
• Language: English
• Publication Date: 1987-06-01
• Scale: 1:500,000
• Regions Covered: Midwest, North America
• Countries Covered: United States
• States Covered: Illinois
• ISBN: 9780607188332
• Folded Size: N/A
• Unfolded Size: N/A