U.S. Department of Agriculture, National Arboretum, Washington, D.C. : 1983 /

Panel title: The United States National Arboretum.
"Program Aid Number 309."
Includes index to points of interest and col. ill.
Text, location map, and col. ill. on verso.
"1980 0--308-871."
Available also through the Library of Congress Web site as a raster image.
DCP