A plan of the west line or parallel of latitude, which is the boundary between the provinces of Maryland and Pensylvania [map] : a plan of the boundary lines between the province of Maryland and the Three Lower Counties on Delaware with part of the parallel of latitude which is the boundary between the provinces of Maryland and Pennsylvania / J. Smither sculpsit.

Relief shown pictorially.
First part of title appears at left margin, second part at right margin.
Originally issued on 2 sheets.
Library copy: 2 plates, matted.
Includes ill. in cartouches.
Shows the Mason and Dixon line.