1 folded sheet : illustrations, map ; 26 x 51 cm folded to 26 x 17 cm
OCLC
ocm45273168
Cover title.
"April, 1946"--Lower right corner of map.
"Dwg. No. 110-71"--Lower right corner of map.
Map oriented with north toward the lower right.
"National Capital Parks, United States Department of the Interior, Julius A. Krug, Secretary; National Park Service, Newton B. Drury, Director."--Below caption title.