Conservation of renewable natural resources
Subtitle: some fundamental aspects of the problem
By: by Raphael Zon, William S. Cooper, Gustaf A. Pearson [and others].
Contributors: Zon, Raphael, 1874-1956.; Cooper, William Skinner, 1884-; Pearson, G. A. b. 1880.
Series: Morris arboretum monographs. II.
Publisher: University of Pennsylvania press
Published: 1941
Place of publication: Philadelphia
Language: eng
Number of pages: 200
Subjects: Natural resources; Botany -- United States; Ozone -- Physiological effect; United States -- Climate
Notes: Includes bibliographies.