Updated 2nd Edition in celebration of the 50th anniversary of America's Wilderness Act.--originally published to celebrate the 40th anniversary of the act, which was instituted in 1964. This new edition, with updated text, contains large-format color photos by celebrated photographer John Fielder of the wealth of peaks, pristine alpine lakes and meadows, rocky cliffs, creeks, and waterfalls of 28 Colorado mountain ranges. Includes text of Fielder stories of life in the wilderness, and text describing geologic origins of each range.