Illinois Geological Maps
Description: One good source for geological maps of Illinois is the Illinois State Geological Survey website. This source includes facts, educational information, maps, maps to purchase, etc.
Another source of geological maps is the U.S. Geological Survey. You can access over 300,000 book, map, and serial records in the U.S. Geological Survey Library online catalog.
The Champaign Public Library also has city maps, county maps, and atlases. The maps at Champaign include Champaign-specific maps such as tax maps, census maps, street maps, topographical maps, city limit maps, and more. Please review our holdings.