Map of Guernsey County, Ohio - Public domain old map

"According to Act of Congress in the year A.D. 1855 by Williams Dorr & Co. in the Office of the Clerk United States Court in and for the Distr. of Ohio."
LC Land ownership maps, 630
Available also through the Library of Congress Web site as a raster image.
Includes population statistics, apprisement of 1853, insets of Claysvill, Cumberland, Cambridge, Washington, Ohio, Hartford, Winchester, New Gottengen, Antrim, Londonderry, Middletown, Fairview, Senacavill, Salesview, Millwood, and Centreville.