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The Ohio Canal System - Public domain vintage map
Public domain scan of a vintage map, plan, atlas, free to use, no copyright restrictions - Picryl description.
Monocacy Aqueduct in Montgomery County, Maryland, part of the Chesapea...
Digital image produced by Carol M. Highsmith to represent her original film transparency; some details may differ between the film and the digital images. Title, date, and keywords provided by the photographer.... More