Location map showing approach routes to the historic site in Glen Echo, Montgomery County, Md.; not a map of the site grounds. "*GPO:2010--357-940/80494." Title from panel. Includes text, 3 floorplans, and ill. (some col.). Text, chronology, and ill. (some col.) 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/2010588604/">https://www.loc.gov/item/2010588604/</a>