Our natural resources and their conservation
By: Harry B. Kircher, Donald L. Wallace, Dorothy J. Gore.
Contributors: Wallace, Donald L.; Gore, Dorothy J.
Edition: 7th ed.
Publisher: Interstate Publishers
Published: 1992
Place of publication: Danville, Ill
Language: eng
Number of pages: 518
Subjects: Natural resources -- United States.; Conservation of natural resources -- United States.
Notes: Includes bibliographical references (p. 507-508) and index.