Map of Washington County, Ohio : from actual survey & records by Wm. Lorey.

Shows landownership.
LC Land ownership maps, 686
Available also through the Library of Congress Web site as a raster image.
Inset maps: Bonn -- Newport -- Cutler -- Barlow -- Watertown -- Grandview -- Plymouth, Pleasanton -- Buell's Lowell -- Matamoras -- Beverly -- Marietta -- Salem.
Includes index for Marietta, table of distances and 6 views.