Washington, D.C. : U.S. Man and the Biosphere Secretariat, Dept. of State, [1980]
Physical Details
109 pages : illustrations, maps ; 29 cm
OCLC
ocm14231367
Prepared under a contract between the U.S. Agency for International Development, Bureau of Science and Technology and the U.S. Man and the Biosphere Program.
"May 1980."
"National Park Service contract no. CX-0001-0-0003."