Contains a series of hand-tinted lantern slide images taken in the American Southwest by Ansel Hall, the first official park naturalist at Yosemite National Park, during the Rainbow Bridge/Monument Valley Expedition of the 1930s.
An account of the Rainbow Bridge-Monument Valley Expedition (1933-38) and Ansel Hall, the man who made it happen. Illustrated with hand-tinted photographs shown during talks given across the county by Hall to promote the region and support the expedition.