• publisher: Washington, D.C. : U.S. Dept. of Agriculture, Soil Conservation Service
  • creator: Uhland, R. E. (Russel Edward), 1896- United States. Soil Conservation Service
  • contributor: United States. Soil Conservation Service.
  • Keyword: Crop rotation. Soil conservation.
  • years: [1949]
  • pages: 12 p. ;
  • language: eng
  • lccn: s
  • notes: Title from cover.
  • download: pdf file