Basic Maps and Facts

• Ohio Facts and Maps - includes state data, picture of Ohio Quarter  
• InfoPlease Atlas Map of Ohio    
• Merriam-Webster Map of Ohio - Clear map with basic state facts, picture and history of flag   
• Local Ohio Senate and House District Map  
• Blank Outline Map of Ohio - From About    
• Cleveland Digital Library – Numerous links to historical maps of Cleveland and Northeast Ohio   

Statistical Maps

• Northern Ohio Data Maps - Economic, Income, Education, Toxic Release Sites, Floods and more

Historical Maps

• Sanborn Fire Insurance Maps - For Historical Maps with building and business level detail of the area  
• Ohio County Formation Maps - Changing and forming counties from 1788 to Present  

Geological Maps

• Bathymetry of Lake Erie and Lake Saint Claire  
• Geologic Maps of Ohio - Includes original land subdivisions, longitude and latitude grid, Karst areas,
  elevations, earthquake epicenters, oil and gas pools and bedrock columns  
• Color Landform Maps - Relief map showing topography. Also a large 1895 map of State    

Other Interesting Maps

• Interactive Greenways Map of Ohio - Showing trails, bike paths and other features connecting 
  parks and recreation areas.   
• Ohio Odonata Distribution Maps - Ohio Odonata Society maps showing distribution of dragonflies and damselflies throughout the state with species lists by county.