Wall/Poster Size USA Map with Counties, Major Highways, Rivers, Lakes and MoreAbout This Wall Size Digital USA Map The largest USA map that Map Resources offers, this map includes every county, plus major highways, rivers, lakes, and city locations for the entire country. The large dimensions allow for extremely detailed line work, resulting in intricately drawn roads, borders, rivers and coastlines that print beautifully even when enlarged. In Illustrator format, each area is a separate object you can select and change the