"*GPO: 1993-342-398/60067. Reprint 1993." Panel title. Includes descriptive index, ill., and 2 insets. Text and ill. on verso. Available also through the Library of Congress Web site as a raster image.
United States. National Park Service
1993
<a rel="nofollow" class="external free" href="https://www.loc.gov/item/93682889/">https://www.loc.gov/item/93682889/</a>