The Physical Political Map Series shows natural geographical features and identifies major cities, rivers, lakes, and more. The world map includes an index with over 175 important landforms listed. The Winkel world map projection is used to provide the best balance of size, shape and direction. Insets are included on the U.S. map showing how our nation's physical and political regions are divided. Both maps are mounted on a single spring roller in brackets with backboard. 51 inch x 51 inch . Markable. Physical Political U.S./World Combo Map Includes: •Physical Political U.S./World Combo Map