Environmental trends.. --
Contributors: Council on Environmental Quality (U.S.); Geological Survey (U.S.)
Publisher: Council on Environmental Quality, Executive Office of the President; For sale by the Supt. of Docs., U.S. G.P.O., 1981.
Published: 1981
Place of publication: Washington, D.C
Language: eng
Number of pages: 346
Subjects: Environmental protection -- ; Environmental monitoring -- 
Notes: "Geological Survey, U.S. Department of the Interior."  Includes bibliographical references and index.