A directory of research natural areas on Federal lands of the United States of America
By: compiled by the Federal Committee on Research Natural Areas.
Publisher: For sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1968
Place of publication: Washington
Language: eng
Number of pages: 129
Subjects: Research natural areas -- United States -- Directories.
Other titles: Research natural areas 1968.
Notes: Bibliography: p. 129.
On cover: Research natural areas 1968.