Trails Illustrated Explorer 3D, Big Bend National Park

Trails Illustrated Explorer 3D, Big Bend National Park, National Geographic. Plan your Big Bend adventure with an interactive Trails Illustrated map! Automatically highlight trails on the map, easily create trail profiles, view maps in 3D, and get GPS coordinates. Transfer waypoints and routes between your GPS and the software. Print your own custom maps at home! PC & Mac compatible. 2005.