Preliminary geological map of the Yellowstone National Park.
Summary
National Park Exhibit, 1972.
Available also through the Library of Congress Web site as a raster image.
Tags
Date
01/01/1878
Contributors
Geological and Geographical Survey of the Territories (U.S.)
Hayden, F. V. (Ferdinand Vandeveer), 1829-1887.
Source
Library of Congress
Copyright info
Public Domain