From early maps of the world and the United States to the John Melish and Rufus Putnam maps documenting early statehood and on to 20th century maps showing the growth of our cities, the map collection of the Ohio History Connection can take a researcher on a fascinating and colorful trip through history of Ohio and the world.

With more than 2000 cataloged maps ranging from the 1600s to the present, the possibilities for researching the past are almost endless. State maps, plat maps, canal maps, birds-eye city views, battle maps, land purchase and development, railroad and archaeological maps are only but some of the many types available to all in our Research Room.