National Geographic Park Profile: Canyon Country Parklands (National Geographic Park Profiles)
by National Geographic Society, Scott Thybony
ISBN 13: 9780792273530
Format: Paperback (200 pages) Publisher: MapQuest.com,US Published: Mar 1998
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Official Guide to Hiking the Grand Canyon (Hiking & Biking)
by Scott Thybony
ISBN 13: 9780938216483
Format: Paperback (68 pages) Publisher: Grand Canyon Association Published: Jun 1994
The Disappearances: A Story of Exploration, Murder, and Mystery in the American West
by Scott Thybony (author)
ISBN 13: 9781607814832
Format: Illustrated (288 pages) Publisher: University of Utah Press Published: 30 Jun 2016