• publisher: Urbana : Illinois State Geological Survey
  • creator: Bell, Alfred Hannam, 1895- Cohee, George Vincent, 1907- Illinois State Geological Survey
  • contributor: Cohee, George Vincent, 1907- Illinois State Geological Survey.
  • Keyword: Petroleum Illinois. Natural gas Illinois.
  • years: 1941.
  • pages: 39 p. :
  • class: TN872.I3
  • notes: "Reprinted, with certain additions, from Trans. A.I.M.E. vol. 137, pp. 274-298, 1941."
  • download: pdf file