• publisher: Washington, D.C. : United States Dept. of Agriculture Extension Service and Bureau of Entomology and Plant Quarantine
  • creator: United States. Extension Service
  • contributor: United States. Extension Service.
  • Keyword: Horn fly.
  • years: [1950]
  • pages: 4 p. :
  • language: eng
  • lccn: s
  • notes: Cover title.
  • download: pdf file