Environmental trends.

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), Council on Environmental Quality (U.S.)
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : Council on Environmental Quality, Executive Office of the President : 1981.
Subjects:	Environmental protection > United States. Environmental monitoring > United States.

Description
Item Description:	"Geological Survey, U.S. Department of the Interior." "July 1981."
Physical Description:	v, 346 pages : color illustrations, maps ; 21 x 28 cm.
Bibliography:	Includes bibliographical references and index.