Passport to Your National Parks Companion Guide Rocky Mountain Region

This comprehensive book is the first guidebook to tell where to find Passport To Your National Parks® cancellation stamps at more than fifty National Park System sites in Montana, North Dakota, South Dakota, Wyoming, Utah, and Colorado. Included are the exact locations of each stamp - many of which are hard to find - with detailed directions and stamping tips, as well as interpretive content to help collectors enjoy each national park visit.