National Geographic Yellowstone National Park Wyoming/Montana, USA: Trails Illustrated Topo Map (Trails Illustrated - Topo Maps USA)

by: Trails Illustrated · National Geographic Maps Rand McNally & Company · 1983 Map details (United States). details (UK). details (Canada). details (Germany). details (France). ISBN: 978-0-925873-01-9 ISBN-10: 0-925873-01-2