An antique map of Pennsylvania "Entered according to Act of Congress in the year 1843 by Sidney E. Morse and Samuel Breese in the Clerks Office of the Southern District of New York." This map is from the Cerographic Atlas of the United States, supplement to the New York Observer. It has been colored by the cerographic printing process (a type of lithography) which left a grid of very fine green lines and a thick green line for the county boundaries. There are inset maps of Philadelphia and the coal regions'. Longitude from Washington at bottom, from Greenwich at top.
Approx 38cms by 30.5cms.
