Conserving natural resources
Subtitle: principles and practice in a democracy
By: [by] Shirley Walter Allen [and] Justin Wilkinson Leonard.
Contributors: Wilkinson, Justin Leonard.
Edition: 3d ed.
Publisher: McGraw-Hill
Published: 1966
Place of publication: New York
Language: eng
Number of pages: 432
Subjects: Natural resources -- United States.
Notes: Includes bibliographical references.