Ключевые слова: administrative, america, american, area, atlas, border, boundary, cartography, colorado, continent, contour, country, department, design element, detailed, district, edge, education, federal, geographical, geography, global, government, graphic, horizontal, illustration, isolated, land, map, mapping, metropolis, nation, north america, patriotism, politics, population, projection, region, silhouette, simple, statistics, topography, trip, united states, unity, us, usa, world, world map,