YELLOWSTONE: OUR FIRST NATIONAL PARK

Tells the geologic history of Yellowstone, and explains how it became the world's first national park during the late 1800's. Illustrating its most interesting topics, shows the important park features—lakes, forests, waterfalls, facilities for visitors, duties of the rangers, plant and animal life, geologic formations, and action of the geysers. Aids in the explanation of geysers