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This is a lovely 1849 map of the state of Ohio by S. A. Mitchell. It covers the entire state in beautiful detail with a profile of the Ohio Canal along the lower border. On the map proper, Ohio's many canal routes are highlighted in blue while the state's still fledgling railroad network appears in orange. The whole is engraved and colored in Mitchell's distinctive style with green border work and vivid pastels. Political and topographical features are noted and color coded with elevation rendered by hachure.
Mitchell published this chart in his atlas from 1846 to the late 1850s before discontinuing the series and selling his map plates to DeSilver. This map was issued in the 1849 edition of the New Universal Atlas. It was the last edition of that atlas to be published by Mitchell prior to selling the plates and rights to the atlas to Thomas Cowperthwait in 1850.