America’s national parks : a photographic journey through nearly 400 national treasures A thinking person’s guide to America’s national parks
By National Park Service
"In 2016 the National Park Service will be 100 years old. To date there are more than 400 parks in the United States, American Samoa, Guam, Puerto Rico, and the Virgin Islands. One photograph of every park unit is included in this book, arranged in chronological order, starting with the first national park, Yellowstone National Park, and up to the newest park, Waco Mammoth National Monument" -- Publisher's website
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