Conservation in the United States
By: [by] A.F. Gustafson.
Edition: 3d ed.
Publisher: Comstock Pub. Co.
Published: 1949
Place of publication: Ithaca, N.Y
Language: eng
Number of pages: 534
Subjects: Natural resources -- United States.; United States -- Economic conditions.
Notes: "Suggestions for supplementary reading": p. [513]-520.