Dawson's Guide To Colorado Backcountry Skiing, Vol. 1 (Book) by Louis Dawson II
Backcountry skier's and snowboarder's guide to backcountry skiing in central Colorado. Includes areas near Aspen, Glenwood Springs, Carbondale, Marble, Fryingpan River drainage, Elk Mountains, Independence Pass, and the high routes between Aspen and Crested Butte. Also covers the Alfred Braun Hut System. Route descriptions, route photos, topo maps for it all. 260 pages.