"GPO: 1987-201-941/80081. Reprint 1988." Depths shown by gradient tints. Panel title. Alternate title: Cape Lookout. Oriented with north toward the upper left. Includes text and location map. Text and col. ill. on verso. Available also through the Library of Congress Web site as a raster image.
United States. National Park Service
<a rel="nofollow" class="external free" href="https://www.loc.gov/item/93681900/">https://www.loc.gov/item/93681900/</a>