Open the blank map file, and look at the maps of Texas and Arizona. Notice that both states have an extensive border with Mexico. Choose one of the state maps, and draw the physical geography features along the border and the surrounding region. Consider local rivers, deserts, and cities. To see a sample map and get some mapping tips, view this Mapping Guide. Include visual representation of any key human geography features, such as political, economic, or demographic areas that are central to the immigration debate. Use icons, symbols, or shaded areas. Be sure to include a legend on the map. Save your map and upload it to dropbox.