Special feature: Yellowstone National Park Explorer 3D interactive and printable map. "As seen on National Geographic Channel.".
Summary:
Explore 2 million acres of backcountry wilderness, 300 newly discovered waterfalls, and the wildlife of Yellowstone National Park in Wyoming, Montana, and Idaho.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.