The USA County map contains all US counties and all US States on one contiguous map. This is a presentation map in Adobe Illustrator format that contains individual county objects for each US State. Each US State fits seamlessly with the next! This USA Map contains 105 layers in all! Layers allow you to turn off and on objects for easy customization in Adobe Illustrator. Each US State is provided on an individual layer with each of its county objects. Each county object can be individually edited. You can add objects, delete objects, change object colors and border colors to fit your unique customization needs! Each US State contains an individual layer containing county names as text. You can easily turn off and on these layers to display or hide text. Text can also be edited by changing the font, size and color. All elements of this US county map is provided in vector format which means you can enlarge and reduce without losing line quality! Source.