Ключевые слова: abstract, america, american, atlas, black, blue, border, business, cartography, citizen, colorado, concept, country, design, detailed, geo, geography, global, globe, graphic, high, illustration, information, isolated, land, map, modern, north, northern, outline, patriot, patriotism, republican, shape, silhouette, simple, states, symbol, transportation, travel, united, unity, usa, world,