Our land resources
Subtitle: we can use them and keep them
By: by Roy D. Hockensmith
Contributors: United States. Soil Conservation Service
Publisher: U.S. Soil Conservation Service
Published: 1949
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 12
Subjects: Soil conservation
Notes: "Paper prepared for presentation before Geography Seminar, class of graduate students, University of Maryland, January 19, 1949."