Ключевые слова: abstract, america, american, area, art, background, beam, border, cartography, clipart, concept, contour, country, earth, english, federated, federation, flag, frame, geographical, geography, gray, icon, illustration, illustrator, image, isolated, label, landmark, line, map, mark, north, oregon, outline, region, shaded, shape, sign, silhouette, state, symbol, territory, texture, travel, united, us, usa, world,