Conservation in the United States
By: by members of the faculty of Cornell University: A. F. Gustafson ... H. Ries ... C. H. Guise ... [and] W. J. Hamilton, Jr. ...
Contributors: Ries, Heinrich, 1871-; Guise, Cedric Hay, 1890-; Hamilton, William John, 1902-
Publisher: Comstock Publishing Company, inc.
Published: 1939
Place of publication: Ithaca, N.Y
Language: eng
Number of pages: 445
Subjects: Natural resources; United States -- Economic conditions
Notes: "Selections for supplementary reading": p. [427]-431.
Table of contents: title: pt. I. Conservation of soil and water resources, by A. F. Gustafson.; title: pt. II. Conservation of forests, parks, and grazing lands, by C. H. Guise.; title: pt. III. Conservation of wildlife, by W. J. Hamilton, Jr.; title: pt. IV. Conservation of mineral resources, by H. Ries.