Colton's Georgetown and the city of Washington ... ; and Colton's map showing part of Virginia, Maryland, Pennsylvania, New Jersey & New York / "Entered according to Act of Congress ... 1855 by J.H. Colton & Co. ... New York."
From Washington, D.C. (In 5 layers) Depicts: 1855 Last modified over 2 years ago. 8 control points.
A low resolution preview is shown below.