Date: [between 1842-1862]
Creator: Johnston, Alexander Keith, 1804-1871.
Description: Map shows existing and proposed railroad lines and canals, cities and towns, lighthouses, eastern states, and western territories. Includes legend and text on slavery, and notes. Inset: "Sketch of the River Niagara" [includes descriptive text and measured heights]. Relief shown by hachures. Scale [ca. 1:5,360,000].
Contributing Partner: University of Texas at Arlington Library