• publisher: [St. Louis : Academy of Science of St. Louis]
  • creator: Academy of Science of St. Louis
  • contributor: Worthen, Amos Henry, 1813-1888.
  • Keyword: Geology Illinois. Paleontology Illinois.
  • years: 1866-90.
  • pages: 8 v. in 9.
  • class: QE105
  • notes: Vol. 8 edited by Josua Lindahl, state geologist.
  • download: pdf file