Cedar St., New York 1854. This map is on vellum paper and folds into a 5 x 3.5 inch black cover to which it is attached. On the inside of the cover is a Colton ad with a list of maps published. Like the Mitchells, two or three generations of Coltons were involved in map publishing. This is one of the famous pocket maps popular in the 19th century.
Longitude is from Washington at the bottom, west from Greenwich at the top.
The verso contains county census data. H. Haupt, Chf. It was apparently published by the railroad to advertise the just completed line to Pittsburgh. Only the title section , showing a portion around Lancaster, and a section approaching the Allegheny Front of this large strip map are shown here. This is one of the first maps published showing the entire line to Pittsburgh, reached in 1852 using the Portage Railroad, and in 1854 using the Horseshoe Curve and the Gallitzin Tunnel.