Soil conservation in the United States before 1901
By: [by] Ralph Van Brocklin.
Series: WRI HUM,; v. 1, issue 2
Publisher: Western New Mexico University
Published: 1968
Place of publication: [Silver City, N.M.]
Language: eng
Number of pages: 26
Subjects: Soil conservation -- United States -- History.
Notes: Bibliography: p. 24-26.