Ключевые слова: abstract, america, american, art, background, black, blue, border, cartography, color, concept, contour, country, county, design, federal, geography, graphic, icon, illustration, isolated, line, location, map, mexico, nation, national, new, north, outline, shape, silhouette, south, state, symbol, topographical, tourism, transport, travel, united, us, usa, west, white,