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The Grand Canyon: One of our Nation's greatest treasures. Majestic. Immense. Dynamic. Dangerous. Epic. To capture the essence of the Grand Canyon, you must experience it first-hand. The following mapbook is composed of high detail, hill shaded USGS topographic maps overlaid by GPS captured hiking trails and waypoints. USGS topo maps have been used for over a century in the adventurer's pursuit of the outdoors. These topo maps are digitally scanned at high resolution, then cropped to 1:12,000 scale providing more detail for simple, more accurate navigation (original USGS topo maps are scaled...