R. W. Gerdel

Born 1901-01-01

Identifiers

  • Open LibraryOL7194843A

Top Subjects

  • Agricultural research (1)
  • Soil erosion (1)
  • Colluvium (1)
  • Strip cropping (1)
  • Ohio River Valley (1)
  • Conservation practices (1)

Books by R. W. Gerdel

Total count: 1