Geological history of the Yellowstone national park.
|Main Author:||Hague, A. 1840-1917.|
Washington, Govt. print. off., 1921.
> Yellowstone National Park.
Yellowstone National Park.
"The national parks at a glance": p. 2.
By Arnold Hague, United States Geological survey.
At head of title: Department of the interior. John Barton Payne, secretary. National park service. Stephen T. Mather, director.
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