The Impact of Three Exotic Plant Species on a Potomac Island.
Washington, D.C.: U.S. Department of the Interior, 1980. 179 pp. 8vo. Paperback. National Park Service Scientific Monograph Series Number 13. Lightly edgeworn. Bump to upper corner of front cover and first several pages. Textblock very faintly foxed. P.o.'s ink signature to half title. Full title: "The Impact of Three Exotic Plant Species on a Potomac Island." Near Fine Paperback (Item ID: 141242)