• publisher: Urbana
  • creator: Saxby, Donald B Lamar, J. E. (John Everts), 1897-1979, joint author
  • contributor: Lamar, J. E. (John Everts), 1897-1979, joint author.
  • Keyword: Gypsum Illinois. Anhydrite.
  • years: 1957.
  • pages: 26 p.
  • class: QE105
  • download: pdf file