Conservation in the Department of the Interior
By: by Ray Lyman Wilbur and William Atherton Du Puy
Contributors: Wilbur, Ray L. (Ray Lyman), 1875-1949; DuPuy, William Atherton, 1876-1941
Edition: 2d ed.
Publisher: U.S. G.P.O.
Published: 1932
Place of publication: Washington
Language: eng
Number of pages: 252
Subjects: Natural resources; Economic conditions