Grand Canyon Trail Map Author:Kent Schulte Detailed topographic & trail map of 308,000 acres in central Grand Canyon. 1:40,000 scale covers 8 USGS quads. 291 miles of trails shown with trail ratings, descriptions & statistics. Most complete & accurate map of the area. Includes contours, shaded relief, UTM grid, hydrography with springs & drinking water, backcountry use zones for permit p... more »lanning, and other trip information. Printed on waterproof, tear-tough paper.« less