Cover image for Environmental trends.
Title:
Environmental trends.
Author:
Geological Survey (U.S.)
Publication Information:
Washington, D.C. : Council on Environmental Quality, Executive Office of the President : For sale by the Supt. of Docs., U.S. G.P.O., 1981.
Physical Description:
v, 346 pages : color illustrations, maps ; 21 x 28 cm
General Note:
"Geological Survey, U.S. Department of the Interior."

"July 1981."
Language:
English
Format :
Book