Our productive land
Subtitle: we can conserve and improve it while using it
By: by the Soil Conservation Service.
Contributors: United States. Soil Conservation Service.
Edition: Slightly rev. Mar. 1961.
Series: Agriculture information bulletin -- no. 106.
Publisher: U.S. Dept. of Agriculture, Soil Conservation Service
Published: 1961
Place of publication: Washington, D.C
Language: eng
Number of pages: 16
Subjects: Soil conservation.