Description: Map shows the United States divided into regions based on primary vegation and then into geographical subdivions; state boundaries and major cities. Includes explanation of colors and key to letters and Roman numerals. Relief shown by hachures. Scale [ca. 1:13,100,000].
Creator: Porter, Thomas C. (Thomas Conrad), 1822-1901
Item Type: Refine your search to only Map
Partner: University of Texas at Arlington Library