Ключевые слова: abstract, america, american, area, atlas, background, black, border, boston, cartography, concept, contour, country, county, cut, design, detail, detailed, federal, flag, flat, geography, graphic, high, icon, idly, illustration, isolated, land, location, map, massachusetts, middlesex, outline, region, shape, sign, silhouette, state, states, symbol, territory, travel, united, us, usa, web, website, white,