Conservation of our natural resources
Subtitle: based on Van Hise's The conservation of natural resources in the United States
By: by Loomis Havemeyer, PH.D., editor, and Gar A. Roush, Frederick H. Newell [and others]
Contributors: Havemeyer, Loomis, 1886- ed; Roush, G. A. (Gar A.), 1883-; Newell, Frederick Haynes, 1862-1932; Havemeyer, Loomis, 1886-1971, editor
Publisher: Macmillan company
Published: 1931
Place of publication: New York
Language: eng
Number of pages: 551
Subjects: Natural resources; Economic conditions
Notes: "Published September, 1910...New edition, April, 1930; reprinted, June 1931."