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Idaho -- Montana. Aaa. 12/06-3/08. Relief Shown By Shading And Spot Heights. Title From Panel. Aaa Topography Derived From 1:250,000 Usgs Digital Elevation Models... Includes Text, Indexes, 2 Distance Maps, 2 Ancillary Maps Of Waterton-glacier International Peace Park And Yellowstone And Grand Teton National Parks, 11 Local Route Maps, And Col. Ill. 5119d. State Series.